Selection API: anchorNode, anchorOffset, focusNode, focusOffset, isCollapsed, and type should be ba…

third_party/WebKit/LayoutTests/external/wpt/selection/extend-00-expected.txt

Index: third_party/WebKit/LayoutTests/external/wpt/selection/extend-00-expected.txt
diff --git a/third_party/WebKit/LayoutTests/external/wpt/selection/extend-00-expected.txt b/third_party/WebKit/LayoutTests/external/wpt/selection/extend-00-expected.txt
index 3ef16885865558f698bd93451e0b9d9578eeb2ed..06a58308184c0e8d01e15b5e7f7acfae4e264b00 100644
--- a/third_party/WebKit/LayoutTests/external/wpt/selection/extend-00-expected.txt
+++ b/third_party/WebKit/LayoutTests/external/wpt/selection/extend-00-expected.txt
@@ -1293,98 +1293,154 @@ FAIL extend() backwards with range 4 [paras[0].firstChild, 2, paras[0].firstChil
 PASS extend() forwards with range 4 [paras[0].firstChild, 2, paras[0].firstChild, 9] and point 87 [xmlDoctype, 0] 
 FAIL extend() backwards with range 4 [paras[0].firstChild, 2, paras[0].firstChild, 9] and point 87 [xmlDoctype, 0] assert_equals: Sanity check: endOffset must be correct expected 9 but got 10
 PASS extend() with range 5 [paras[1].firstChild, 0, paras[1].firstChild, 0] and point 0 [paras[0].firstChild, -1] 
-FAIL extend() with range 5 [paras[1].firstChild, 0, paras[1].firstChild, 0] and point 1 [paras[0].firstChild, 0] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Qrstuvwx" but got Element node <p id="c">Qrstuvwx</p>
-FAIL extend() with range 5 [paras[1].firstChild, 0, paras[1].firstChild, 0] and point 2 [paras[0].firstChild, 1] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Qrstuvwx" but got Element node <p id="c">Qrstuvwx</p>
-FAIL extend() with range 5 [paras[1].firstChild, 0, paras[1].firstChild, 0] and point 3 [paras[0].firstChild, 2] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Qrstuvwx" but got Element node <p id="c">Qrstuvwx</p>
-FAIL extend() with range 5 [paras[1].firstChild, 0, paras[1].firstChild, 0] and point 4 [paras[0].firstChild, 8] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Qrstuvwx" but got Element node <p id="c">Qrstuvwx</p>
-FAIL extend() with range 5 [paras[1].firstChild, 0, paras[1].firstChild, 0] and point 5 [paras[0].firstChild, 9] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Qrstuvwx" but got Element node <p id="c">Qrstuvwx</p>
-FAIL extend() with range 5 [paras[1].firstChild, 0, paras[1].firstChild, 0] and point 6 [paras[0].firstChild, 10] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Qrstuvwx" but got Element node <p id="c">Qrstuvwx</p>
+FAIL extend() with range 5 [paras[1].firstChild, 0, paras[1].firstChild, 0] and point 1 [paras[0].firstChild, 0] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Ijklmnop
+" but got Element node <p id="c">Qrstuvwx</p>
+FAIL extend() with range 5 [paras[1].firstChild, 0, paras[1].firstChild, 0] and point 2 [paras[0].firstChild, 1] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Ijklmnop
+" but got Element node <p id="c">Qrstuvwx</p>
+FAIL extend() with range 5 [paras[1].firstChild, 0, paras[1].firstChild, 0] and point 3 [paras[0].firstChild, 2] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Ijklmnop
+" but got Element node <p id="c">Qrstuvwx</p>
+FAIL extend() with range 5 [paras[1].firstChild, 0, paras[1].firstChild, 0] and point 4 [paras[0].firstChild, 8] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Ijklmnop
+" but got Element node <p id="c">Qrstuvwx</p>
+FAIL extend() with range 5 [paras[1].firstChild, 0, paras[1].firstChild, 0] and point 5 [paras[0].firstChild, 9] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Ijklmnop
+" but got Element node <p id="c">Qrstuvwx</p>
+FAIL extend() with range 5 [paras[1].firstChild, 0, paras[1].firstChild, 0] and point 6 [paras[0].firstChild, 10] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Ijklmnop
+" but got Element node <p id="c">Qrstuvwx</p>
 PASS extend() with range 5 [paras[1].firstChild, 0, paras[1].firstChild, 0] and point 7 [paras[0].firstChild, 65535] 
 PASS extend() with range 5 [paras[1].firstChild, 0, paras[1].firstChild, 0] and point 8 [paras[1].firstChild, -1] 
-FAIL extend() with range 5 [paras[1].firstChild, 0, paras[1].firstChild, 0] and point 9 [paras[1].firstChild, 0] assert_equals: focusNode must be the node passed to extend() expected Text node "Ijklmnop
+FAIL extend() with range 5 [paras[1].firstChild, 0, paras[1].firstChild, 0] and point 9 [paras[1].firstChild, 0] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() with range 5 [paras[1].firstChild, 0, paras[1].firstChild, 0] and point 10 [paras[1].firstChild, 1] assert_equals: focusNode must be the node passed to extend() expected Text node "Ijklmnop
+FAIL extend() with range 5 [paras[1].firstChild, 0, paras[1].firstChild, 0] and point 10 [paras[1].firstChild, 1] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() with range 5 [paras[1].firstChild, 0, paras[1].firstChild, 0] and point 11 [paras[1].firstChild, 2] assert_equals: focusNode must be the node passed to extend() expected Text node "Ijklmnop
+FAIL extend() with range 5 [paras[1].firstChild, 0, paras[1].firstChild, 0] and point 11 [paras[1].firstChild, 2] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() with range 5 [paras[1].firstChild, 0, paras[1].firstChild, 0] and point 12 [paras[1].firstChild, 8] assert_equals: focusNode must be the node passed to extend() expected Text node "Ijklmnop
+FAIL extend() with range 5 [paras[1].firstChild, 0, paras[1].firstChild, 0] and point 12 [paras[1].firstChild, 8] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() with range 5 [paras[1].firstChild, 0, paras[1].firstChild, 0] and point 13 [paras[1].firstChild, 9] assert_equals: focusNode must be the node passed to extend() expected Text node "Ijklmnop
+FAIL extend() with range 5 [paras[1].firstChild, 0, paras[1].firstChild, 0] and point 13 [paras[1].firstChild, 9] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
 PASS extend() with range 5 [paras[1].firstChild, 0, paras[1].firstChild, 0] and point 14 [paras[1].firstChild, 10] 
 PASS extend() with range 5 [paras[1].firstChild, 0, paras[1].firstChild, 0] and point 15 [paras[1].firstChild, 65535] 
-FAIL extend() with range 5 [paras[1].firstChild, 0, paras[1].firstChild, 0] and point 16 [detachedPara1.firstChild, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Opqrstuv" but got Text node "Qrstuvwx"
-FAIL extend() with range 5 [paras[1].firstChild, 0, paras[1].firstChild, 0] and point 17 [detachedPara1.firstChild, 1] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Opqrstuv" but got Text node "Qrstuvwx"
-FAIL extend() with range 5 [paras[1].firstChild, 0, paras[1].firstChild, 0] and point 18 [detachedPara1.firstChild, 8] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Opqrstuv" but got Text node "Qrstuvwx"
+FAIL extend() with range 5 [paras[1].firstChild, 0, paras[1].firstChild, 0] and point 16 [detachedPara1.firstChild, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Opqrstuv" but got Text node "Ijklmnop
+"
+FAIL extend() with range 5 [paras[1].firstChild, 0, paras[1].firstChild, 0] and point 17 [detachedPara1.firstChild, 1] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Opqrstuv" but got Text node "Ijklmnop
+"
+FAIL extend() with range 5 [paras[1].firstChild, 0, paras[1].firstChild, 0] and point 18 [detachedPara1.firstChild, 8] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Opqrstuv" but got Text node "Ijklmnop
+"
 PASS extend() with range 5 [paras[1].firstChild, 0, paras[1].firstChild, 0] and point 19 [detachedPara1.firstChild, 9] 
-FAIL extend() with range 5 [paras[1].firstChild, 0, paras[1].firstChild, 0] and point 20 [foreignPara1.firstChild, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Efghijkl" but got Text node "Qrstuvwx"
-FAIL extend() with range 5 [paras[1].firstChild, 0, paras[1].firstChild, 0] and point 21 [foreignPara1.firstChild, 1] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Efghijkl" but got Text node "Qrstuvwx"
-FAIL extend() with range 5 [paras[1].firstChild, 0, paras[1].firstChild, 0] and point 22 [foreignPara1.firstChild, 8] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Efghijkl" but got Text node "Qrstuvwx"
+FAIL extend() with range 5 [paras[1].firstChild, 0, paras[1].firstChild, 0] and point 20 [foreignPara1.firstChild, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Efghijkl" but got Text node "Ijklmnop
+"
+FAIL extend() with range 5 [paras[1].firstChild, 0, paras[1].firstChild, 0] and point 21 [foreignPara1.firstChild, 1] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Efghijkl" but got Text node "Ijklmnop
+"
+FAIL extend() with range 5 [paras[1].firstChild, 0, paras[1].firstChild, 0] and point 22 [foreignPara1.firstChild, 8] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Efghijkl" but got Text node "Ijklmnop
+"
 PASS extend() with range 5 [paras[1].firstChild, 0, paras[1].firstChild, 0] and point 23 [foreignPara1.firstChild, 9] 
 PASS extend() with range 5 [paras[1].firstChild, 0, paras[1].firstChild, 0] and point 24 [document.documentElement, -1] 
-FAIL extend() with range 5 [paras[1].firstChild, 0, paras[1].firstChild, 0] and point 25 [document.documentElement, 0] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Qrstuvwx" but got Element node <p id="c">Qrstuvwx</p>
-FAIL extend() with range 5 [paras[1].firstChild, 0, paras[1].firstChild, 0] and point 26 [document.documentElement, 1] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Qrstuvwx" but got Element node <p id="c">Qrstuvwx</p>
-FAIL extend() with range 5 [paras[1].firstChild, 0, paras[1].firstChild, 0] and point 27 [document.documentElement, 2] assert_equals: focusNode must be the node passed to extend() expected Element node <html><head><title>Selection extend() tests</title>
-<meta... but got Text node "Qrstuvwx"
+FAIL extend() with range 5 [paras[1].firstChild, 0, paras[1].firstChild, 0] and point 25 [document.documentElement, 0] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Ijklmnop
+" but got Element node <p id="c">Qrstuvwx</p>
+FAIL extend() with range 5 [paras[1].firstChild, 0, paras[1].firstChild, 0] and point 26 [document.documentElement, 1] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Ijklmnop
+" but got Element node <p id="c">Qrstuvwx</p>
+FAIL extend() with range 5 [paras[1].firstChild, 0, paras[1].firstChild, 0] and point 27 [document.documentElement, 2] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Ijklmnop
+" but got Text node "Qrstuvwx"
 PASS extend() with range 5 [paras[1].firstChild, 0, paras[1].firstChild, 0] and point 28 [document.documentElement, 7] 
-FAIL extend() with range 5 [paras[1].firstChild, 0, paras[1].firstChild, 0] and point 29 [document.head, 1] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Qrstuvwx" but got Element node <p id="c">Qrstuvwx</p>
-FAIL extend() with range 5 [paras[1].firstChild, 0, paras[1].firstChild, 0] and point 30 [document.body, 3] assert_equals: focusNode must be the node passed to extend() expected Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
-</p><p id... but got Text node "Qrstuvwx"
-FAIL extend() with range 5 [paras[1].firstChild, 0, paras[1].firstChild, 0] and point 31 [foreignDoc.documentElement, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Element node <html><head><title></title></head><body><p>Efghijkl</p><p... but got Text node "Qrstuvwx"
-FAIL extend() with range 5 [paras[1].firstChild, 0, paras[1].firstChild, 0] and point 32 [foreignDoc.documentElement, 1] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Element node <html><head><title></title></head><body><p>Efghijkl</p><p... but got Text node "Qrstuvwx"
-FAIL extend() with range 5 [paras[1].firstChild, 0, paras[1].firstChild, 0] and point 33 [foreignDoc.head, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Element node <head><title></title></head> but got Text node "Qrstuvwx"
-FAIL extend() with range 5 [paras[1].firstChild, 0, paras[1].firstChild, 0] and point 34 [foreignDoc.body, 1] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Element node <body><p>Efghijkl</p><p>Mnopqrst</p>I admit that I harbor... but got Text node "Qrstuvwx"
-FAIL extend() with range 5 [paras[1].firstChild, 0, paras[1].firstChild, 0] and point 35 [paras[0], 0] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Qrstuvwx" but got Element node <p id="c">Qrstuvwx</p>
-FAIL extend() with range 5 [paras[1].firstChild, 0, paras[1].firstChild, 0] and point 36 [paras[0], 1] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Qrstuvwx" but got Element node <p id="c">Qrstuvwx</p>
+FAIL extend() with range 5 [paras[1].firstChild, 0, paras[1].firstChild, 0] and point 29 [document.head, 1] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Ijklmnop
+" but got Element node <p id="c">Qrstuvwx</p>
+FAIL extend() with range 5 [paras[1].firstChild, 0, paras[1].firstChild, 0] and point 30 [document.body, 3] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Ijklmnop
+" but got Text node "Qrstuvwx"
+FAIL extend() with range 5 [paras[1].firstChild, 0, paras[1].firstChild, 0] and point 31 [foreignDoc.documentElement, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Element node <html><head><title></title></head><body><p>Efghijkl</p><p... but got Text node "Ijklmnop
+"
+FAIL extend() with range 5 [paras[1].firstChild, 0, paras[1].firstChild, 0] and point 32 [foreignDoc.documentElement, 1] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Element node <html><head><title></title></head><body><p>Efghijkl</p><p... but got Text node "Ijklmnop
+"
+FAIL extend() with range 5 [paras[1].firstChild, 0, paras[1].firstChild, 0] and point 33 [foreignDoc.head, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Element node <head><title></title></head> but got Text node "Ijklmnop
+"
+FAIL extend() with range 5 [paras[1].firstChild, 0, paras[1].firstChild, 0] and point 34 [foreignDoc.body, 1] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Element node <body><p>Efghijkl</p><p>Mnopqrst</p>I admit that I harbor... but got Text node "Ijklmnop
+"
+FAIL extend() with range 5 [paras[1].firstChild, 0, paras[1].firstChild, 0] and point 35 [paras[0], 0] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Ijklmnop
+" but got Element node <p id="c">Qrstuvwx</p>
+FAIL extend() with range 5 [paras[1].firstChild, 0, paras[1].firstChild, 0] and point 36 [paras[0], 1] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Ijklmnop
+" but got Element node <p id="c">Qrstuvwx</p>
 PASS extend() with range 5 [paras[1].firstChild, 0, paras[1].firstChild, 0] and point 37 [paras[0], 2] 
-FAIL extend() with range 5 [paras[1].firstChild, 0, paras[1].firstChild, 0] and point 38 [paras[1], 0] assert_equals: focusNode must be the node passed to extend() expected Element node <p id="b" style="display:none">Ijklmnop
-</p> but got Text node "Qrstuvwx"
-FAIL extend() with range 5 [paras[1].firstChild, 0, paras[1].firstChild, 0] and point 39 [paras[1], 1] assert_equals: focusNode must be the node passed to extend() expected Element node <p id="b" style="display:none">Ijklmnop
-</p> but got Text node "Qrstuvwx"
+FAIL extend() with range 5 [paras[1].firstChild, 0, paras[1].firstChild, 0] and point 38 [paras[1], 0] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Ijklmnop
+" but got Text node "Qrstuvwx"
+FAIL extend() with range 5 [paras[1].firstChild, 0, paras[1].firstChild, 0] and point 39 [paras[1], 1] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Ijklmnop
+" but got Text node "Qrstuvwx"
 PASS extend() with range 5 [paras[1].firstChild, 0, paras[1].firstChild, 0] and point 40 [paras[1], 2] 
-FAIL extend() with range 5 [paras[1].firstChild, 0, paras[1].firstChild, 0] and point 41 [detachedPara1, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Element node <p>Opqrstuv</p> but got Text node "Qrstuvwx"
-FAIL extend() with range 5 [paras[1].firstChild, 0, paras[1].firstChild, 0] and point 42 [detachedPara1, 1] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Element node <p>Opqrstuv</p> but got Text node "Qrstuvwx"
-FAIL extend() with range 5 [paras[1].firstChild, 0, paras[1].firstChild, 0] and point 43 [testDiv, 0] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Qrstuvwx" but got Element node <p id="c">Qrstuvwx</p>
-FAIL extend() with range 5 [paras[1].firstChild, 0, paras[1].firstChild, 0] and point 44 [testDiv, 3] assert_equals: focusNode must be the node passed to extend() expected Element node <div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
-</p><p id="b" s... but got Text node "Qrstuvwx"
+FAIL extend() with range 5 [paras[1].firstChild, 0, paras[1].firstChild, 0] and point 41 [detachedPara1, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Element node <p>Opqrstuv</p> but got Text node "Ijklmnop
+"
+FAIL extend() with range 5 [paras[1].firstChild, 0, paras[1].firstChild, 0] and point 42 [detachedPara1, 1] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Element node <p>Opqrstuv</p> but got Text node "Ijklmnop
+"
+FAIL extend() with range 5 [paras[1].firstChild, 0, paras[1].firstChild, 0] and point 43 [testDiv, 0] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Ijklmnop
+" but got Element node <p id="c">Qrstuvwx</p>
+FAIL extend() with range 5 [paras[1].firstChild, 0, paras[1].firstChild, 0] and point 44 [testDiv, 3] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Ijklmnop
+" but got Text node "Qrstuvwx"
 PASS extend() with range 5 [paras[1].firstChild, 0, paras[1].firstChild, 0] and point 45 [document, -1] 
-FAIL extend() with range 5 [paras[1].firstChild, 0, paras[1].firstChild, 0] and point 46 [document, 0] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Qrstuvwx" but got Element node <p id="c">Qrstuvwx</p>
-FAIL extend() with range 5 [paras[1].firstChild, 0, paras[1].firstChild, 0] and point 47 [document, 1] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Qrstuvwx" but got Element node <p id="c">Qrstuvwx</p>
-FAIL extend() with range 5 [paras[1].firstChild, 0, paras[1].firstChild, 0] and point 48 [document, 2] assert_equals: focusNode must be the node passed to extend() expected Document node with 2 children but got Text node "Qrstuvwx"
+FAIL extend() with range 5 [paras[1].firstChild, 0, paras[1].firstChild, 0] and point 46 [document, 0] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Ijklmnop
+" but got Element node <p id="c">Qrstuvwx</p>
+FAIL extend() with range 5 [paras[1].firstChild, 0, paras[1].firstChild, 0] and point 47 [document, 1] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Ijklmnop
+" but got Element node <p id="c">Qrstuvwx</p>
+FAIL extend() with range 5 [paras[1].firstChild, 0, paras[1].firstChild, 0] and point 48 [document, 2] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Ijklmnop
+" but got Text node "Qrstuvwx"
 PASS extend() with range 5 [paras[1].firstChild, 0, paras[1].firstChild, 0] and point 49 [document, 3] 
 PASS extend() with range 5 [paras[1].firstChild, 0, paras[1].firstChild, 0] and point 50 [comment, -1] 
-FAIL extend() with range 5 [paras[1].firstChild, 0, paras[1].firstChild, 0] and point 51 [comment, 0] assert_equals: focusNode must be the node passed to extend() expected Comment node <!--Alphabet soup?--> but got Text node "Qrstuvwx"
-FAIL extend() with range 5 [paras[1].firstChild, 0, paras[1].firstChild, 0] and point 52 [comment, 4] assert_equals: focusNode must be the node passed to extend() expected Comment node <!--Alphabet soup?--> but got Text node "Qrstuvwx"
+FAIL extend() with range 5 [paras[1].firstChild, 0, paras[1].firstChild, 0] and point 51 [comment, 0] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Ijklmnop
+" but got Text node "Qrstuvwx"
+FAIL extend() with range 5 [paras[1].firstChild, 0, paras[1].firstChild, 0] and point 52 [comment, 4] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Ijklmnop
+" but got Text node "Qrstuvwx"
 PASS extend() with range 5 [paras[1].firstChild, 0, paras[1].firstChild, 0] and point 53 [comment, 96] 
-FAIL extend() with range 5 [paras[1].firstChild, 0, paras[1].firstChild, 0] and point 54 [foreignDoc, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Document node with 3 children but got Text node "Qrstuvwx"
-FAIL extend() with range 5 [paras[1].firstChild, 0, paras[1].firstChild, 0] and point 55 [foreignDoc, 1] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Document node with 3 children but got Text node "Qrstuvwx"
-FAIL extend() with range 5 [paras[1].firstChild, 0, paras[1].firstChild, 0] and point 56 [foreignComment, 2] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Comment node <!--"Commenter" and "commentator" mean different things.  I'v...--> but got Text node "Qrstuvwx"
-FAIL extend() with range 5 [paras[1].firstChild, 0, paras[1].firstChild, 0] and point 57 [foreignTextNode, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "I admit that I harbor doubts about whether we really need..." but got Text node "Qrstuvwx"
-FAIL extend() with range 5 [paras[1].firstChild, 0, paras[1].firstChild, 0] and point 58 [foreignTextNode, 36] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "I admit that I harbor doubts about whether we really need..." but got Text node "Qrstuvwx"
+FAIL extend() with range 5 [paras[1].firstChild, 0, paras[1].firstChild, 0] and point 54 [foreignDoc, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Document node with 3 children but got Text node "Ijklmnop
+"
+FAIL extend() with range 5 [paras[1].firstChild, 0, paras[1].firstChild, 0] and point 55 [foreignDoc, 1] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Document node with 3 children but got Text node "Ijklmnop
+"
+FAIL extend() with range 5 [paras[1].firstChild, 0, paras[1].firstChild, 0] and point 56 [foreignComment, 2] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Comment node <!--"Commenter" and "commentator" mean different things.  I'v...--> but got Text node "Ijklmnop
+"
+FAIL extend() with range 5 [paras[1].firstChild, 0, paras[1].firstChild, 0] and point 57 [foreignTextNode, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "I admit that I harbor doubts about whether we really need..." but got Text node "Ijklmnop
+"
+FAIL extend() with range 5 [paras[1].firstChild, 0, paras[1].firstChild, 0] and point 58 [foreignTextNode, 36] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "I admit that I harbor doubts about whether we really need..." but got Text node "Ijklmnop
+"
 PASS extend() with range 5 [paras[1].firstChild, 0, paras[1].firstChild, 0] and point 59 [xmlDoc, -1] 
-FAIL extend() with range 5 [paras[1].firstChild, 0, paras[1].firstChild, 0] and point 60 [xmlDoc, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Document node with 4 children but got Text node "Qrstuvwx"
-FAIL extend() with range 5 [paras[1].firstChild, 0, paras[1].firstChild, 0] and point 61 [xmlDoc, 1] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Document node with 4 children but got Text node "Qrstuvwx"
+FAIL extend() with range 5 [paras[1].firstChild, 0, paras[1].firstChild, 0] and point 60 [xmlDoc, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Document node with 4 children but got Text node "Ijklmnop
+"
+FAIL extend() with range 5 [paras[1].firstChild, 0, paras[1].firstChild, 0] and point 61 [xmlDoc, 1] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Document node with 4 children but got Text node "Ijklmnop
+"
 PASS extend() with range 5 [paras[1].firstChild, 0, paras[1].firstChild, 0] and point 62 [xmlDoc, 5] 
-FAIL extend() with range 5 [paras[1].firstChild, 0, paras[1].firstChild, 0] and point 63 [xmlComment, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Comment node <!--I maliciously created a comment that will break incautiou...--> but got Text node "Qrstuvwx"
-FAIL extend() with range 5 [paras[1].firstChild, 0, paras[1].firstChild, 0] and point 64 [xmlComment, 4] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Comment node <!--I maliciously created a comment that will break incautiou...--> but got Text node "Qrstuvwx"
-FAIL extend() with range 5 [paras[1].firstChild, 0, paras[1].firstChild, 0] and point 65 [processingInstruction, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected ProcessingInstruction node with target "somePI" and data "Did you know that \":syn sync fromstart\" is very useful wh..." but got Text node "Qrstuvwx"
-FAIL extend() with range 5 [paras[1].firstChild, 0, paras[1].firstChild, 0] and point 66 [processingInstruction, 5] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected ProcessingInstruction node with target "somePI" and data "Did you know that \":syn sync fromstart\" is very useful wh..." but got Text node "Qrstuvwx"
-FAIL extend() with range 5 [paras[1].firstChild, 0, paras[1].firstChild, 0] and point 67 [processingInstruction, 9] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected ProcessingInstruction node with target "somePI" and data "Did you know that \":syn sync fromstart\" is very useful wh..." but got Text node "Qrstuvwx"
-FAIL extend() with range 5 [paras[1].firstChild, 0, paras[1].firstChild, 0] and point 68 [detachedTextNode, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Uvwxyzab" but got Text node "Qrstuvwx"
-FAIL extend() with range 5 [paras[1].firstChild, 0, paras[1].firstChild, 0] and point 69 [detachedTextNode, 8] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Uvwxyzab" but got Text node "Qrstuvwx"
-FAIL extend() with range 5 [paras[1].firstChild, 0, paras[1].firstChild, 0] and point 70 [detachedForeignTextNode, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Cdefghij" but got Text node "Qrstuvwx"
-FAIL extend() with range 5 [paras[1].firstChild, 0, paras[1].firstChild, 0] and point 71 [detachedForeignTextNode, 8] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Cdefghij" but got Text node "Qrstuvwx"
-FAIL extend() with range 5 [paras[1].firstChild, 0, paras[1].firstChild, 0] and point 72 [detachedXmlTextNode, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Klmnopqr" but got Text node "Qrstuvwx"
-FAIL extend() with range 5 [paras[1].firstChild, 0, paras[1].firstChild, 0] and point 73 [detachedXmlTextNode, 8] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Klmnopqr" but got Text node "Qrstuvwx"
-FAIL extend() with range 5 [paras[1].firstChild, 0, paras[1].firstChild, 0] and point 74 [detachedProcessingInstruction, 12] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected ProcessingInstruction node with target "whippoorwill" and data "chirp chirp chirp" but got Text node "Qrstuvwx"
-FAIL extend() with range 5 [paras[1].firstChild, 0, paras[1].firstChild, 0] and point 75 [detachedComment, 3] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Comment node <!--Stuvwxyz--> but got Text node "Qrstuvwx"
-FAIL extend() with range 5 [paras[1].firstChild, 0, paras[1].firstChild, 0] and point 76 [detachedComment, 5] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Comment node <!--Stuvwxyz--> but got Text node "Qrstuvwx"
-FAIL extend() with range 5 [paras[1].firstChild, 0, paras[1].firstChild, 0] and point 77 [detachedForeignComment, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Comment node <!--אריה יהודה--> but got Text node "Qrstuvwx"
-FAIL extend() with range 5 [paras[1].firstChild, 0, paras[1].firstChild, 0] and point 78 [detachedForeignComment, 4] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Comment node <!--אריה יהודה--> but got Text node "Qrstuvwx"
-FAIL extend() with range 5 [paras[1].firstChild, 0, paras[1].firstChild, 0] and point 79 [detachedXmlComment, 2] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Comment node <!--בן חיים אליעזר--> but got Text node "Qrstuvwx"
-FAIL extend() with range 5 [paras[1].firstChild, 0, paras[1].firstChild, 0] and point 80 [docfrag, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected DocumentFragment node with 0 children but got Text node "Qrstuvwx"
-FAIL extend() with range 5 [paras[1].firstChild, 0, paras[1].firstChild, 0] and point 81 [foreignDocfrag, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected DocumentFragment node with 0 children but got Text node "Qrstuvwx"
-FAIL extend() with range 5 [paras[1].firstChild, 0, paras[1].firstChild, 0] and point 82 [xmlDocfrag, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected DocumentFragment node with 0 children but got Text node "Qrstuvwx"
+FAIL extend() with range 5 [paras[1].firstChild, 0, paras[1].firstChild, 0] and point 63 [xmlComment, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Comment node <!--I maliciously created a comment that will break incautiou...--> but got Text node "Ijklmnop
+"
+FAIL extend() with range 5 [paras[1].firstChild, 0, paras[1].firstChild, 0] and point 64 [xmlComment, 4] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Comment node <!--I maliciously created a comment that will break incautiou...--> but got Text node "Ijklmnop
+"
+FAIL extend() with range 5 [paras[1].firstChild, 0, paras[1].firstChild, 0] and point 65 [processingInstruction, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected ProcessingInstruction node with target "somePI" and data "Did you know that \":syn sync fromstart\" is very useful wh..." but got Text node "Ijklmnop
+"
+FAIL extend() with range 5 [paras[1].firstChild, 0, paras[1].firstChild, 0] and point 66 [processingInstruction, 5] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected ProcessingInstruction node with target "somePI" and data "Did you know that \":syn sync fromstart\" is very useful wh..." but got Text node "Ijklmnop
+"
+FAIL extend() with range 5 [paras[1].firstChild, 0, paras[1].firstChild, 0] and point 67 [processingInstruction, 9] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected ProcessingInstruction node with target "somePI" and data "Did you know that \":syn sync fromstart\" is very useful wh..." but got Text node "Ijklmnop
+"
+FAIL extend() with range 5 [paras[1].firstChild, 0, paras[1].firstChild, 0] and point 68 [detachedTextNode, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Uvwxyzab" but got Text node "Ijklmnop
+"
+FAIL extend() with range 5 [paras[1].firstChild, 0, paras[1].firstChild, 0] and point 69 [detachedTextNode, 8] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Uvwxyzab" but got Text node "Ijklmnop
+"
+FAIL extend() with range 5 [paras[1].firstChild, 0, paras[1].firstChild, 0] and point 70 [detachedForeignTextNode, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Cdefghij" but got Text node "Ijklmnop
+"
+FAIL extend() with range 5 [paras[1].firstChild, 0, paras[1].firstChild, 0] and point 71 [detachedForeignTextNode, 8] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Cdefghij" but got Text node "Ijklmnop
+"
+FAIL extend() with range 5 [paras[1].firstChild, 0, paras[1].firstChild, 0] and point 72 [detachedXmlTextNode, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Klmnopqr" but got Text node "Ijklmnop
+"
+FAIL extend() with range 5 [paras[1].firstChild, 0, paras[1].firstChild, 0] and point 73 [detachedXmlTextNode, 8] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Klmnopqr" but got Text node "Ijklmnop
+"
+FAIL extend() with range 5 [paras[1].firstChild, 0, paras[1].firstChild, 0] and point 74 [detachedProcessingInstruction, 12] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected ProcessingInstruction node with target "whippoorwill" and data "chirp chirp chirp" but got Text node "Ijklmnop
+"
+FAIL extend() with range 5 [paras[1].firstChild, 0, paras[1].firstChild, 0] and point 75 [detachedComment, 3] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Comment node <!--Stuvwxyz--> but got Text node "Ijklmnop
+"
+FAIL extend() with range 5 [paras[1].firstChild, 0, paras[1].firstChild, 0] and point 76 [detachedComment, 5] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Comment node <!--Stuvwxyz--> but got Text node "Ijklmnop
+"
+FAIL extend() with range 5 [paras[1].firstChild, 0, paras[1].firstChild, 0] and point 77 [detachedForeignComment, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Comment node <!--אריה יהודה--> but got Text node "Ijklmnop
+"
+FAIL extend() with range 5 [paras[1].firstChild, 0, paras[1].firstChild, 0] and point 78 [detachedForeignComment, 4] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Comment node <!--אריה יהודה--> but got Text node "Ijklmnop
+"
+FAIL extend() with range 5 [paras[1].firstChild, 0, paras[1].firstChild, 0] and point 79 [detachedXmlComment, 2] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Comment node <!--בן חיים אליעזר--> but got Text node "Ijklmnop
+"
+FAIL extend() with range 5 [paras[1].firstChild, 0, paras[1].firstChild, 0] and point 80 [docfrag, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected DocumentFragment node with 0 children but got Text node "Ijklmnop
+"
+FAIL extend() with range 5 [paras[1].firstChild, 0, paras[1].firstChild, 0] and point 81 [foreignDocfrag, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected DocumentFragment node with 0 children but got Text node "Ijklmnop
+"
+FAIL extend() with range 5 [paras[1].firstChild, 0, paras[1].firstChild, 0] and point 82 [xmlDocfrag, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected DocumentFragment node with 0 children but got Text node "Ijklmnop
+"
 PASS extend() with range 5 [paras[1].firstChild, 0, paras[1].firstChild, 0] and point 83 [doctype, 0] 
 FAIL extend() with range 5 [paras[1].firstChild, 0, paras[1].firstChild, 0] and point 84 [doctype, -17] assert_throws: extend() to a doctype must throw InvalidNodeTypeError function "function () {
             selection.extend(node, offset);
@@ -1395,22 +1451,28 @@ PASS extend() with range 5 [paras[1].firstChild, 0, paras[1].firstChild, 0] and
 PASS extend() forwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 0 [paras[0].firstChild, -1] 
 FAIL extend() backwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 0 [paras[0].firstChild, -1] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 1 [paras[0].firstChild, 0] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Qrstuvwx" but got Element node <p id="c">Qrstuvwx</p>
+FAIL extend() forwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 1 [paras[0].firstChild, 0] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Ijklmnop
+" but got Element node <p id="c">Qrstuvwx</p>
 FAIL extend() backwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 1 [paras[0].firstChild, 0] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 2 [paras[0].firstChild, 1] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Qrstuvwx" but got Element node <p id="c">Qrstuvwx</p>
+FAIL extend() forwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 2 [paras[0].firstChild, 1] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Ijklmnop
+" but got Element node <p id="c">Qrstuvwx</p>
 FAIL extend() backwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 2 [paras[0].firstChild, 1] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 3 [paras[0].firstChild, 2] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Qrstuvwx" but got Element node <p id="c">Qrstuvwx</p>
+FAIL extend() forwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 3 [paras[0].firstChild, 2] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Ijklmnop
+" but got Element node <p id="c">Qrstuvwx</p>
 FAIL extend() backwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 3 [paras[0].firstChild, 2] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 4 [paras[0].firstChild, 8] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Qrstuvwx" but got Element node <p id="c">Qrstuvwx</p>
+FAIL extend() forwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 4 [paras[0].firstChild, 8] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Ijklmnop
+" but got Element node <p id="c">Qrstuvwx</p>
 FAIL extend() backwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 4 [paras[0].firstChild, 8] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 5 [paras[0].firstChild, 9] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Qrstuvwx" but got Element node <p id="c">Qrstuvwx</p>
+FAIL extend() forwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 5 [paras[0].firstChild, 9] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Ijklmnop
+" but got Element node <p id="c">Qrstuvwx</p>
 FAIL extend() backwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 5 [paras[0].firstChild, 9] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 6 [paras[0].firstChild, 10] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Qrstuvwx" but got Element node <p id="c">Qrstuvwx</p>
+FAIL extend() forwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 6 [paras[0].firstChild, 10] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Ijklmnop
+" but got Element node <p id="c">Qrstuvwx</p>
 FAIL extend() backwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 6 [paras[0].firstChild, 10] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
 PASS extend() forwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 7 [paras[0].firstChild, 65535] 
@@ -1419,23 +1481,23 @@ FAIL extend() backwards with range 6 [paras[1].firstChild, 0, paras[1].firstChil
 PASS extend() forwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 8 [paras[1].firstChild, -1] 
 FAIL extend() backwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 8 [paras[1].firstChild, -1] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 9 [paras[1].firstChild, 0] assert_equals: focusNode must be the node passed to extend() expected Text node "Ijklmnop
+FAIL extend() forwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 9 [paras[1].firstChild, 0] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
 FAIL extend() backwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 9 [paras[1].firstChild, 0] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 10 [paras[1].firstChild, 1] assert_equals: focusNode must be the node passed to extend() expected Text node "Ijklmnop
+FAIL extend() forwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 10 [paras[1].firstChild, 1] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
 FAIL extend() backwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 10 [paras[1].firstChild, 1] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 11 [paras[1].firstChild, 2] assert_equals: focusNode must be the node passed to extend() expected Text node "Ijklmnop
+FAIL extend() forwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 11 [paras[1].firstChild, 2] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
 FAIL extend() backwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 11 [paras[1].firstChild, 2] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 12 [paras[1].firstChild, 8] assert_equals: focusNode must be the node passed to extend() expected Text node "Ijklmnop
+FAIL extend() forwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 12 [paras[1].firstChild, 8] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
 FAIL extend() backwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 12 [paras[1].firstChild, 8] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 13 [paras[1].firstChild, 9] assert_equals: focusNode must be the node passed to extend() expected Text node "Ijklmnop
+FAIL extend() forwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 13 [paras[1].firstChild, 9] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
 FAIL extend() backwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 13 [paras[1].firstChild, 9] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
@@ -1445,25 +1507,31 @@ FAIL extend() backwards with range 6 [paras[1].firstChild, 0, paras[1].firstChil
 PASS extend() forwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 15 [paras[1].firstChild, 65535] 
 FAIL extend() backwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 15 [paras[1].firstChild, 65535] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 16 [detachedPara1.firstChild, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Opqrstuv" but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 16 [detachedPara1.firstChild, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Opqrstuv" but got Text node "Ijklmnop
+"
 FAIL extend() backwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 16 [detachedPara1.firstChild, 0] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 17 [detachedPara1.firstChild, 1] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Opqrstuv" but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 17 [detachedPara1.firstChild, 1] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Opqrstuv" but got Text node "Ijklmnop
+"
 FAIL extend() backwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 17 [detachedPara1.firstChild, 1] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 18 [detachedPara1.firstChild, 8] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Opqrstuv" but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 18 [detachedPara1.firstChild, 8] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Opqrstuv" but got Text node "Ijklmnop
+"
 FAIL extend() backwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 18 [detachedPara1.firstChild, 8] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
 PASS extend() forwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 19 [detachedPara1.firstChild, 9] 
 FAIL extend() backwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 19 [detachedPara1.firstChild, 9] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 20 [foreignPara1.firstChild, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Efghijkl" but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 20 [foreignPara1.firstChild, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Efghijkl" but got Text node "Ijklmnop
+"
 FAIL extend() backwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 20 [foreignPara1.firstChild, 0] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 21 [foreignPara1.firstChild, 1] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Efghijkl" but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 21 [foreignPara1.firstChild, 1] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Efghijkl" but got Text node "Ijklmnop
+"
 FAIL extend() backwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 21 [foreignPara1.firstChild, 1] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 22 [foreignPara1.firstChild, 8] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Efghijkl" but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 22 [foreignPara1.firstChild, 8] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Efghijkl" but got Text node "Ijklmnop
+"
 FAIL extend() backwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 22 [foreignPara1.firstChild, 8] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
 PASS extend() forwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 23 [foreignPara1.firstChild, 9] 
@@ -1472,81 +1540,96 @@ FAIL extend() backwards with range 6 [paras[1].firstChild, 0, paras[1].firstChil
 PASS extend() forwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 24 [document.documentElement, -1] 
 FAIL extend() backwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 24 [document.documentElement, -1] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 25 [document.documentElement, 0] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Qrstuvwx" but got Element node <p id="c">Qrstuvwx</p>
+FAIL extend() forwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 25 [document.documentElement, 0] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Ijklmnop
+" but got Element node <p id="c">Qrstuvwx</p>
 FAIL extend() backwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 25 [document.documentElement, 0] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 26 [document.documentElement, 1] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Qrstuvwx" but got Element node <p id="c">Qrstuvwx</p>
+FAIL extend() forwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 26 [document.documentElement, 1] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Ijklmnop
+" but got Element node <p id="c">Qrstuvwx</p>
 FAIL extend() backwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 26 [document.documentElement, 1] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 27 [document.documentElement, 2] assert_equals: focusNode must be the node passed to extend() expected Element node <html><head><title>Selection extend() tests</title>
-<meta... but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 27 [document.documentElement, 2] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Ijklmnop
+" but got Text node "Qrstuvwx"
 FAIL extend() backwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 27 [document.documentElement, 2] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
 PASS extend() forwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 28 [document.documentElement, 7] 
 FAIL extend() backwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 28 [document.documentElement, 7] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 29 [document.head, 1] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Qrstuvwx" but got Element node <p id="c">Qrstuvwx</p>
+FAIL extend() forwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 29 [document.head, 1] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Ijklmnop
+" but got Element node <p id="c">Qrstuvwx</p>
 FAIL extend() backwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 29 [document.head, 1] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 30 [document.body, 3] assert_equals: focusNode must be the node passed to extend() expected Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
-</p><p id... but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 30 [document.body, 3] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Ijklmnop
+" but got Text node "Qrstuvwx"
 FAIL extend() backwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 30 [document.body, 3] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 31 [foreignDoc.documentElement, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Element node <html><head><title></title></head><body><p>Efghijkl</p><p... but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 31 [foreignDoc.documentElement, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Element node <html><head><title></title></head><body><p>Efghijkl</p><p... but got Text node "Ijklmnop
+"
 FAIL extend() backwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 31 [foreignDoc.documentElement, 0] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 32 [foreignDoc.documentElement, 1] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Element node <html><head><title></title></head><body><p>Efghijkl</p><p... but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 32 [foreignDoc.documentElement, 1] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Element node <html><head><title></title></head><body><p>Efghijkl</p><p... but got Text node "Ijklmnop
+"
 FAIL extend() backwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 32 [foreignDoc.documentElement, 1] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 33 [foreignDoc.head, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Element node <head><title></title></head> but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 33 [foreignDoc.head, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Element node <head><title></title></head> but got Text node "Ijklmnop
+"
 FAIL extend() backwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 33 [foreignDoc.head, 0] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 34 [foreignDoc.body, 1] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Element node <body><p>Efghijkl</p><p>Mnopqrst</p>I admit that I harbor... but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 34 [foreignDoc.body, 1] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Element node <body><p>Efghijkl</p><p>Mnopqrst</p>I admit that I harbor... but got Text node "Ijklmnop
+"
 FAIL extend() backwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 34 [foreignDoc.body, 1] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 35 [paras[0], 0] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Qrstuvwx" but got Element node <p id="c">Qrstuvwx</p>
+FAIL extend() forwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 35 [paras[0], 0] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Ijklmnop
+" but got Element node <p id="c">Qrstuvwx</p>
 FAIL extend() backwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 35 [paras[0], 0] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 36 [paras[0], 1] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Qrstuvwx" but got Element node <p id="c">Qrstuvwx</p>
+FAIL extend() forwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 36 [paras[0], 1] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Ijklmnop
+" but got Element node <p id="c">Qrstuvwx</p>
 FAIL extend() backwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 36 [paras[0], 1] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
 PASS extend() forwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 37 [paras[0], 2] 
 FAIL extend() backwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 37 [paras[0], 2] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 38 [paras[1], 0] assert_equals: focusNode must be the node passed to extend() expected Element node <p id="b" style="display:none">Ijklmnop
-</p> but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 38 [paras[1], 0] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Ijklmnop
+" but got Text node "Qrstuvwx"
 FAIL extend() backwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 38 [paras[1], 0] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 39 [paras[1], 1] assert_equals: focusNode must be the node passed to extend() expected Element node <p id="b" style="display:none">Ijklmnop
-</p> but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 39 [paras[1], 1] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Ijklmnop
+" but got Text node "Qrstuvwx"
 FAIL extend() backwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 39 [paras[1], 1] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
 PASS extend() forwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 40 [paras[1], 2] 
 FAIL extend() backwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 40 [paras[1], 2] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 41 [detachedPara1, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Element node <p>Opqrstuv</p> but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 41 [detachedPara1, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Element node <p>Opqrstuv</p> but got Text node "Ijklmnop
+"
 FAIL extend() backwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 41 [detachedPara1, 0] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 42 [detachedPara1, 1] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Element node <p>Opqrstuv</p> but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 42 [detachedPara1, 1] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Element node <p>Opqrstuv</p> but got Text node "Ijklmnop
+"
 FAIL extend() backwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 42 [detachedPara1, 1] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 43 [testDiv, 0] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Qrstuvwx" but got Element node <p id="c">Qrstuvwx</p>
+FAIL extend() forwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 43 [testDiv, 0] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Ijklmnop
+" but got Element node <p id="c">Qrstuvwx</p>
 FAIL extend() backwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 43 [testDiv, 0] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 44 [testDiv, 3] assert_equals: focusNode must be the node passed to extend() expected Element node <div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
-</p><p id="b" s... but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 44 [testDiv, 3] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Ijklmnop
+" but got Text node "Qrstuvwx"
 FAIL extend() backwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 44 [testDiv, 3] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
 PASS extend() forwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 45 [document, -1] 
 FAIL extend() backwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 45 [document, -1] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 46 [document, 0] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Qrstuvwx" but got Element node <p id="c">Qrstuvwx</p>
+FAIL extend() forwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 46 [document, 0] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Ijklmnop
+" but got Element node <p id="c">Qrstuvwx</p>
 FAIL extend() backwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 46 [document, 0] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 47 [document, 1] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Qrstuvwx" but got Element node <p id="c">Qrstuvwx</p>
+FAIL extend() forwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 47 [document, 1] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Ijklmnop
+" but got Element node <p id="c">Qrstuvwx</p>
 FAIL extend() backwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 47 [document, 1] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 48 [document, 2] assert_equals: focusNode must be the node passed to extend() expected Document node with 2 children but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 48 [document, 2] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Ijklmnop
+" but got Text node "Qrstuvwx"
 FAIL extend() backwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 48 [document, 2] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
 PASS extend() forwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 49 [document, 3] 
@@ -1555,100 +1638,129 @@ FAIL extend() backwards with range 6 [paras[1].firstChild, 0, paras[1].firstChil
 PASS extend() forwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 50 [comment, -1] 
 FAIL extend() backwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 50 [comment, -1] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 51 [comment, 0] assert_equals: focusNode must be the node passed to extend() expected Comment node <!--Alphabet soup?--> but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 51 [comment, 0] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Ijklmnop
+" but got Text node "Qrstuvwx"
 FAIL extend() backwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 51 [comment, 0] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 52 [comment, 4] assert_equals: focusNode must be the node passed to extend() expected Comment node <!--Alphabet soup?--> but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 52 [comment, 4] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Ijklmnop
+" but got Text node "Qrstuvwx"
 FAIL extend() backwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 52 [comment, 4] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
 PASS extend() forwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 53 [comment, 96] 
 FAIL extend() backwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 53 [comment, 96] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 54 [foreignDoc, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Document node with 3 children but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 54 [foreignDoc, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Document node with 3 children but got Text node "Ijklmnop
+"
 FAIL extend() backwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 54 [foreignDoc, 0] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 55 [foreignDoc, 1] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Document node with 3 children but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 55 [foreignDoc, 1] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Document node with 3 children but got Text node "Ijklmnop
+"
 FAIL extend() backwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 55 [foreignDoc, 1] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 56 [foreignComment, 2] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Comment node <!--"Commenter" and "commentator" mean different things.  I'v...--> but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 56 [foreignComment, 2] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Comment node <!--"Commenter" and "commentator" mean different things.  I'v...--> but got Text node "Ijklmnop
+"
 FAIL extend() backwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 56 [foreignComment, 2] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 57 [foreignTextNode, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "I admit that I harbor doubts about whether we really need..." but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 57 [foreignTextNode, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "I admit that I harbor doubts about whether we really need..." but got Text node "Ijklmnop
+"
 FAIL extend() backwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 57 [foreignTextNode, 0] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 58 [foreignTextNode, 36] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "I admit that I harbor doubts about whether we really need..." but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 58 [foreignTextNode, 36] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "I admit that I harbor doubts about whether we really need..." but got Text node "Ijklmnop
+"
 FAIL extend() backwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 58 [foreignTextNode, 36] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
 PASS extend() forwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 59 [xmlDoc, -1] 
 FAIL extend() backwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 59 [xmlDoc, -1] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 60 [xmlDoc, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Document node with 4 children but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 60 [xmlDoc, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Document node with 4 children but got Text node "Ijklmnop
+"
 FAIL extend() backwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 60 [xmlDoc, 0] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 61 [xmlDoc, 1] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Document node with 4 children but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 61 [xmlDoc, 1] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Document node with 4 children but got Text node "Ijklmnop
+"
 FAIL extend() backwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 61 [xmlDoc, 1] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
 PASS extend() forwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 62 [xmlDoc, 5] 
 FAIL extend() backwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 62 [xmlDoc, 5] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 63 [xmlComment, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Comment node <!--I maliciously created a comment that will break incautiou...--> but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 63 [xmlComment, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Comment node <!--I maliciously created a comment that will break incautiou...--> but got Text node "Ijklmnop
+"
 FAIL extend() backwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 63 [xmlComment, 0] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 64 [xmlComment, 4] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Comment node <!--I maliciously created a comment that will break incautiou...--> but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 64 [xmlComment, 4] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Comment node <!--I maliciously created a comment that will break incautiou...--> but got Text node "Ijklmnop
+"
 FAIL extend() backwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 64 [xmlComment, 4] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 65 [processingInstruction, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected ProcessingInstruction node with target "somePI" and data "Did you know that \":syn sync fromstart\" is very useful wh..." but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 65 [processingInstruction, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected ProcessingInstruction node with target "somePI" and data "Did you know that \":syn sync fromstart\" is very useful wh..." but got Text node "Ijklmnop
+"
 FAIL extend() backwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 65 [processingInstruction, 0] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 66 [processingInstruction, 5] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected ProcessingInstruction node with target "somePI" and data "Did you know that \":syn sync fromstart\" is very useful wh..." but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 66 [processingInstruction, 5] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected ProcessingInstruction node with target "somePI" and data "Did you know that \":syn sync fromstart\" is very useful wh..." but got Text node "Ijklmnop
+"
 FAIL extend() backwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 66 [processingInstruction, 5] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 67 [processingInstruction, 9] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected ProcessingInstruction node with target "somePI" and data "Did you know that \":syn sync fromstart\" is very useful wh..." but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 67 [processingInstruction, 9] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected ProcessingInstruction node with target "somePI" and data "Did you know that \":syn sync fromstart\" is very useful wh..." but got Text node "Ijklmnop
+"
 FAIL extend() backwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 67 [processingInstruction, 9] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 68 [detachedTextNode, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Uvwxyzab" but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 68 [detachedTextNode, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Uvwxyzab" but got Text node "Ijklmnop
+"
 FAIL extend() backwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 68 [detachedTextNode, 0] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 69 [detachedTextNode, 8] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Uvwxyzab" but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 69 [detachedTextNode, 8] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Uvwxyzab" but got Text node "Ijklmnop
+"
 FAIL extend() backwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 69 [detachedTextNode, 8] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 70 [detachedForeignTextNode, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Cdefghij" but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 70 [detachedForeignTextNode, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Cdefghij" but got Text node "Ijklmnop
+"
 FAIL extend() backwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 70 [detachedForeignTextNode, 0] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 71 [detachedForeignTextNode, 8] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Cdefghij" but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 71 [detachedForeignTextNode, 8] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Cdefghij" but got Text node "Ijklmnop
+"
 FAIL extend() backwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 71 [detachedForeignTextNode, 8] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 72 [detachedXmlTextNode, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Klmnopqr" but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 72 [detachedXmlTextNode, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Klmnopqr" but got Text node "Ijklmnop
+"
 FAIL extend() backwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 72 [detachedXmlTextNode, 0] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 73 [detachedXmlTextNode, 8] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Klmnopqr" but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 73 [detachedXmlTextNode, 8] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Klmnopqr" but got Text node "Ijklmnop
+"
 FAIL extend() backwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 73 [detachedXmlTextNode, 8] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 74 [detachedProcessingInstruction, 12] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected ProcessingInstruction node with target "whippoorwill" and data "chirp chirp chirp" but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 74 [detachedProcessingInstruction, 12] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected ProcessingInstruction node with target "whippoorwill" and data "chirp chirp chirp" but got Text node "Ijklmnop
+"
 FAIL extend() backwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 74 [detachedProcessingInstruction, 12] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 75 [detachedComment, 3] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Comment node <!--Stuvwxyz--> but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 75 [detachedComment, 3] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Comment node <!--Stuvwxyz--> but got Text node "Ijklmnop
+"
 FAIL extend() backwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 75 [detachedComment, 3] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 76 [detachedComment, 5] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Comment node <!--Stuvwxyz--> but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 76 [detachedComment, 5] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Comment node <!--Stuvwxyz--> but got Text node "Ijklmnop
+"
 FAIL extend() backwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 76 [detachedComment, 5] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 77 [detachedForeignComment, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Comment node <!--אריה יהודה--> but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 77 [detachedForeignComment, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Comment node <!--אריה יהודה--> but got Text node "Ijklmnop
+"
 FAIL extend() backwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 77 [detachedForeignComment, 0] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 78 [detachedForeignComment, 4] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Comment node <!--אריה יהודה--> but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 78 [detachedForeignComment, 4] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Comment node <!--אריה יהודה--> but got Text node "Ijklmnop
+"
 FAIL extend() backwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 78 [detachedForeignComment, 4] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 79 [detachedXmlComment, 2] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Comment node <!--בן חיים אליעזר--> but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 79 [detachedXmlComment, 2] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Comment node <!--בן חיים אליעזר--> but got Text node "Ijklmnop
+"
 FAIL extend() backwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 79 [detachedXmlComment, 2] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 80 [docfrag, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected DocumentFragment node with 0 children but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 80 [docfrag, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected DocumentFragment node with 0 children but got Text node "Ijklmnop
+"
 FAIL extend() backwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 80 [docfrag, 0] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 81 [foreignDocfrag, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected DocumentFragment node with 0 children but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 81 [foreignDocfrag, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected DocumentFragment node with 0 children but got Text node "Ijklmnop
+"
 FAIL extend() backwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 81 [foreignDocfrag, 0] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 82 [xmlDocfrag, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected DocumentFragment node with 0 children but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 82 [xmlDocfrag, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected DocumentFragment node with 0 children but got Text node "Ijklmnop
+"
 FAIL extend() backwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 82 [xmlDocfrag, 0] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
 PASS extend() forwards with range 6 [paras[1].firstChild, 0, paras[1].firstChild, 1] and point 83 [doctype, 0] 
@@ -1671,22 +1783,28 @@ FAIL extend() backwards with range 6 [paras[1].firstChild, 0, paras[1].firstChil
 PASS extend() forwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 0 [paras[0].firstChild, -1] 
 FAIL extend() backwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 0 [paras[0].firstChild, -1] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 1 [paras[0].firstChild, 0] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Qrstuvwx" but got Element node <p id="c">Qrstuvwx</p>
+FAIL extend() forwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 1 [paras[0].firstChild, 0] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Ijklmnop
+" but got Element node <p id="c">Qrstuvwx</p>
 FAIL extend() backwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 1 [paras[0].firstChild, 0] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 2 [paras[0].firstChild, 1] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Qrstuvwx" but got Element node <p id="c">Qrstuvwx</p>
+FAIL extend() forwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 2 [paras[0].firstChild, 1] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Ijklmnop
+" but got Element node <p id="c">Qrstuvwx</p>
 FAIL extend() backwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 2 [paras[0].firstChild, 1] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 3 [paras[0].firstChild, 2] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Qrstuvwx" but got Element node <p id="c">Qrstuvwx</p>
+FAIL extend() forwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 3 [paras[0].firstChild, 2] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Ijklmnop
+" but got Element node <p id="c">Qrstuvwx</p>
 FAIL extend() backwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 3 [paras[0].firstChild, 2] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 4 [paras[0].firstChild, 8] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Qrstuvwx" but got Element node <p id="c">Qrstuvwx</p>
+FAIL extend() forwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 4 [paras[0].firstChild, 8] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Ijklmnop
+" but got Element node <p id="c">Qrstuvwx</p>
 FAIL extend() backwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 4 [paras[0].firstChild, 8] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 5 [paras[0].firstChild, 9] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Qrstuvwx" but got Element node <p id="c">Qrstuvwx</p>
+FAIL extend() forwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 5 [paras[0].firstChild, 9] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Ijklmnop
+" but got Element node <p id="c">Qrstuvwx</p>
 FAIL extend() backwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 5 [paras[0].firstChild, 9] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 6 [paras[0].firstChild, 10] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Qrstuvwx" but got Element node <p id="c">Qrstuvwx</p>
+FAIL extend() forwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 6 [paras[0].firstChild, 10] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Ijklmnop
+" but got Element node <p id="c">Qrstuvwx</p>
 FAIL extend() backwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 6 [paras[0].firstChild, 10] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
 PASS extend() forwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 7 [paras[0].firstChild, 65535] 
@@ -1695,23 +1813,23 @@ FAIL extend() backwards with range 7 [paras[1].firstChild, 2, paras[1].firstChil
 PASS extend() forwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 8 [paras[1].firstChild, -1] 
 FAIL extend() backwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 8 [paras[1].firstChild, -1] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 9 [paras[1].firstChild, 0] assert_equals: focusNode must be the node passed to extend() expected Text node "Ijklmnop
+FAIL extend() forwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 9 [paras[1].firstChild, 0] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
 FAIL extend() backwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 9 [paras[1].firstChild, 0] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 10 [paras[1].firstChild, 1] assert_equals: focusNode must be the node passed to extend() expected Text node "Ijklmnop
+FAIL extend() forwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 10 [paras[1].firstChild, 1] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
 FAIL extend() backwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 10 [paras[1].firstChild, 1] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 11 [paras[1].firstChild, 2] assert_equals: focusNode must be the node passed to extend() expected Text node "Ijklmnop
+FAIL extend() forwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 11 [paras[1].firstChild, 2] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
 FAIL extend() backwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 11 [paras[1].firstChild, 2] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 12 [paras[1].firstChild, 8] assert_equals: focusNode must be the node passed to extend() expected Text node "Ijklmnop
+FAIL extend() forwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 12 [paras[1].firstChild, 8] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
 FAIL extend() backwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 12 [paras[1].firstChild, 8] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 13 [paras[1].firstChild, 9] assert_equals: focusNode must be the node passed to extend() expected Text node "Ijklmnop
+FAIL extend() forwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 13 [paras[1].firstChild, 9] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
 FAIL extend() backwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 13 [paras[1].firstChild, 9] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
@@ -1721,25 +1839,31 @@ FAIL extend() backwards with range 7 [paras[1].firstChild, 2, paras[1].firstChil
 PASS extend() forwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 15 [paras[1].firstChild, 65535] 
 FAIL extend() backwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 15 [paras[1].firstChild, 65535] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 16 [detachedPara1.firstChild, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Opqrstuv" but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 16 [detachedPara1.firstChild, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Opqrstuv" but got Text node "Ijklmnop
+"
 FAIL extend() backwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 16 [detachedPara1.firstChild, 0] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 17 [detachedPara1.firstChild, 1] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Opqrstuv" but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 17 [detachedPara1.firstChild, 1] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Opqrstuv" but got Text node "Ijklmnop
+"
 FAIL extend() backwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 17 [detachedPara1.firstChild, 1] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 18 [detachedPara1.firstChild, 8] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Opqrstuv" but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 18 [detachedPara1.firstChild, 8] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Opqrstuv" but got Text node "Ijklmnop
+"
 FAIL extend() backwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 18 [detachedPara1.firstChild, 8] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
 PASS extend() forwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 19 [detachedPara1.firstChild, 9] 
 FAIL extend() backwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 19 [detachedPara1.firstChild, 9] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 20 [foreignPara1.firstChild, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Efghijkl" but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 20 [foreignPara1.firstChild, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Efghijkl" but got Text node "Ijklmnop
+"
 FAIL extend() backwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 20 [foreignPara1.firstChild, 0] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 21 [foreignPara1.firstChild, 1] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Efghijkl" but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 21 [foreignPara1.firstChild, 1] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Efghijkl" but got Text node "Ijklmnop
+"
 FAIL extend() backwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 21 [foreignPara1.firstChild, 1] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 22 [foreignPara1.firstChild, 8] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Efghijkl" but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 22 [foreignPara1.firstChild, 8] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Efghijkl" but got Text node "Ijklmnop
+"
 FAIL extend() backwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 22 [foreignPara1.firstChild, 8] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
 PASS extend() forwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 23 [foreignPara1.firstChild, 9] 
@@ -1748,81 +1872,96 @@ FAIL extend() backwards with range 7 [paras[1].firstChild, 2, paras[1].firstChil
 PASS extend() forwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 24 [document.documentElement, -1] 
 FAIL extend() backwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 24 [document.documentElement, -1] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 25 [document.documentElement, 0] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Qrstuvwx" but got Element node <p id="c">Qrstuvwx</p>
+FAIL extend() forwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 25 [document.documentElement, 0] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Ijklmnop
+" but got Element node <p id="c">Qrstuvwx</p>
 FAIL extend() backwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 25 [document.documentElement, 0] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 26 [document.documentElement, 1] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Qrstuvwx" but got Element node <p id="c">Qrstuvwx</p>
+FAIL extend() forwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 26 [document.documentElement, 1] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Ijklmnop
+" but got Element node <p id="c">Qrstuvwx</p>
 FAIL extend() backwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 26 [document.documentElement, 1] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 27 [document.documentElement, 2] assert_equals: focusNode must be the node passed to extend() expected Element node <html><head><title>Selection extend() tests</title>
-<meta... but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 27 [document.documentElement, 2] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Ijklmnop
+" but got Text node "Qrstuvwx"
 FAIL extend() backwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 27 [document.documentElement, 2] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
 PASS extend() forwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 28 [document.documentElement, 7] 
 FAIL extend() backwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 28 [document.documentElement, 7] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 29 [document.head, 1] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Qrstuvwx" but got Element node <p id="c">Qrstuvwx</p>
+FAIL extend() forwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 29 [document.head, 1] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Ijklmnop
+" but got Element node <p id="c">Qrstuvwx</p>
 FAIL extend() backwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 29 [document.head, 1] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 30 [document.body, 3] assert_equals: focusNode must be the node passed to extend() expected Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
-</p><p id... but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 30 [document.body, 3] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Ijklmnop
+" but got Text node "Qrstuvwx"
 FAIL extend() backwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 30 [document.body, 3] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 31 [foreignDoc.documentElement, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Element node <html><head><title></title></head><body><p>Efghijkl</p><p... but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 31 [foreignDoc.documentElement, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Element node <html><head><title></title></head><body><p>Efghijkl</p><p... but got Text node "Ijklmnop
+"
 FAIL extend() backwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 31 [foreignDoc.documentElement, 0] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 32 [foreignDoc.documentElement, 1] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Element node <html><head><title></title></head><body><p>Efghijkl</p><p... but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 32 [foreignDoc.documentElement, 1] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Element node <html><head><title></title></head><body><p>Efghijkl</p><p... but got Text node "Ijklmnop
+"
 FAIL extend() backwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 32 [foreignDoc.documentElement, 1] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 33 [foreignDoc.head, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Element node <head><title></title></head> but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 33 [foreignDoc.head, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Element node <head><title></title></head> but got Text node "Ijklmnop
+"
 FAIL extend() backwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 33 [foreignDoc.head, 0] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 34 [foreignDoc.body, 1] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Element node <body><p>Efghijkl</p><p>Mnopqrst</p>I admit that I harbor... but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 34 [foreignDoc.body, 1] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Element node <body><p>Efghijkl</p><p>Mnopqrst</p>I admit that I harbor... but got Text node "Ijklmnop
+"
 FAIL extend() backwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 34 [foreignDoc.body, 1] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 35 [paras[0], 0] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Qrstuvwx" but got Element node <p id="c">Qrstuvwx</p>
+FAIL extend() forwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 35 [paras[0], 0] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Ijklmnop
+" but got Element node <p id="c">Qrstuvwx</p>
 FAIL extend() backwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 35 [paras[0], 0] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 36 [paras[0], 1] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Qrstuvwx" but got Element node <p id="c">Qrstuvwx</p>
+FAIL extend() forwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 36 [paras[0], 1] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Ijklmnop
+" but got Element node <p id="c">Qrstuvwx</p>
 FAIL extend() backwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 36 [paras[0], 1] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
 PASS extend() forwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 37 [paras[0], 2] 
 FAIL extend() backwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 37 [paras[0], 2] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 38 [paras[1], 0] assert_equals: focusNode must be the node passed to extend() expected Element node <p id="b" style="display:none">Ijklmnop
-</p> but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 38 [paras[1], 0] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Ijklmnop
+" but got Text node "Qrstuvwx"
 FAIL extend() backwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 38 [paras[1], 0] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 39 [paras[1], 1] assert_equals: focusNode must be the node passed to extend() expected Element node <p id="b" style="display:none">Ijklmnop
-</p> but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 39 [paras[1], 1] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Ijklmnop
+" but got Text node "Qrstuvwx"
 FAIL extend() backwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 39 [paras[1], 1] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
 PASS extend() forwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 40 [paras[1], 2] 
 FAIL extend() backwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 40 [paras[1], 2] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 41 [detachedPara1, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Element node <p>Opqrstuv</p> but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 41 [detachedPara1, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Element node <p>Opqrstuv</p> but got Text node "Ijklmnop
+"
 FAIL extend() backwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 41 [detachedPara1, 0] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 42 [detachedPara1, 1] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Element node <p>Opqrstuv</p> but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 42 [detachedPara1, 1] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Element node <p>Opqrstuv</p> but got Text node "Ijklmnop
+"
 FAIL extend() backwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 42 [detachedPara1, 1] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 43 [testDiv, 0] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Qrstuvwx" but got Element node <p id="c">Qrstuvwx</p>
+FAIL extend() forwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 43 [testDiv, 0] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Ijklmnop
+" but got Element node <p id="c">Qrstuvwx</p>
 FAIL extend() backwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 43 [testDiv, 0] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 44 [testDiv, 3] assert_equals: focusNode must be the node passed to extend() expected Element node <div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
-</p><p id="b" s... but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 44 [testDiv, 3] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Ijklmnop
+" but got Text node "Qrstuvwx"
 FAIL extend() backwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 44 [testDiv, 3] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
 PASS extend() forwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 45 [document, -1] 
 FAIL extend() backwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 45 [document, -1] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 46 [document, 0] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Qrstuvwx" but got Element node <p id="c">Qrstuvwx</p>
+FAIL extend() forwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 46 [document, 0] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Ijklmnop
+" but got Element node <p id="c">Qrstuvwx</p>
 FAIL extend() backwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 46 [document, 0] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 47 [document, 1] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Qrstuvwx" but got Element node <p id="c">Qrstuvwx</p>
+FAIL extend() forwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 47 [document, 1] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Ijklmnop
+" but got Element node <p id="c">Qrstuvwx</p>
 FAIL extend() backwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 47 [document, 1] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 48 [document, 2] assert_equals: focusNode must be the node passed to extend() expected Document node with 2 children but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 48 [document, 2] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Ijklmnop
+" but got Text node "Qrstuvwx"
 FAIL extend() backwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 48 [document, 2] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
 PASS extend() forwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 49 [document, 3] 
@@ -1831,100 +1970,129 @@ FAIL extend() backwards with range 7 [paras[1].firstChild, 2, paras[1].firstChil
 PASS extend() forwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 50 [comment, -1] 
 FAIL extend() backwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 50 [comment, -1] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 51 [comment, 0] assert_equals: focusNode must be the node passed to extend() expected Comment node <!--Alphabet soup?--> but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 51 [comment, 0] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Ijklmnop
+" but got Text node "Qrstuvwx"
 FAIL extend() backwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 51 [comment, 0] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 52 [comment, 4] assert_equals: focusNode must be the node passed to extend() expected Comment node <!--Alphabet soup?--> but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 52 [comment, 4] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Ijklmnop
+" but got Text node "Qrstuvwx"
 FAIL extend() backwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 52 [comment, 4] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
 PASS extend() forwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 53 [comment, 96] 
 FAIL extend() backwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 53 [comment, 96] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 54 [foreignDoc, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Document node with 3 children but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 54 [foreignDoc, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Document node with 3 children but got Text node "Ijklmnop
+"
 FAIL extend() backwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 54 [foreignDoc, 0] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 55 [foreignDoc, 1] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Document node with 3 children but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 55 [foreignDoc, 1] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Document node with 3 children but got Text node "Ijklmnop
+"
 FAIL extend() backwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 55 [foreignDoc, 1] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 56 [foreignComment, 2] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Comment node <!--"Commenter" and "commentator" mean different things.  I'v...--> but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 56 [foreignComment, 2] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Comment node <!--"Commenter" and "commentator" mean different things.  I'v...--> but got Text node "Ijklmnop
+"
 FAIL extend() backwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 56 [foreignComment, 2] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 57 [foreignTextNode, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "I admit that I harbor doubts about whether we really need..." but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 57 [foreignTextNode, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "I admit that I harbor doubts about whether we really need..." but got Text node "Ijklmnop
+"
 FAIL extend() backwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 57 [foreignTextNode, 0] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 58 [foreignTextNode, 36] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "I admit that I harbor doubts about whether we really need..." but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 58 [foreignTextNode, 36] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "I admit that I harbor doubts about whether we really need..." but got Text node "Ijklmnop
+"
 FAIL extend() backwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 58 [foreignTextNode, 36] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
 PASS extend() forwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 59 [xmlDoc, -1] 
 FAIL extend() backwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 59 [xmlDoc, -1] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 60 [xmlDoc, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Document node with 4 children but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 60 [xmlDoc, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Document node with 4 children but got Text node "Ijklmnop
+"
 FAIL extend() backwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 60 [xmlDoc, 0] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 61 [xmlDoc, 1] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Document node with 4 children but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 61 [xmlDoc, 1] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Document node with 4 children but got Text node "Ijklmnop
+"
 FAIL extend() backwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 61 [xmlDoc, 1] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
 PASS extend() forwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 62 [xmlDoc, 5] 
 FAIL extend() backwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 62 [xmlDoc, 5] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 63 [xmlComment, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Comment node <!--I maliciously created a comment that will break incautiou...--> but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 63 [xmlComment, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Comment node <!--I maliciously created a comment that will break incautiou...--> but got Text node "Ijklmnop
+"
 FAIL extend() backwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 63 [xmlComment, 0] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 64 [xmlComment, 4] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Comment node <!--I maliciously created a comment that will break incautiou...--> but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 64 [xmlComment, 4] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Comment node <!--I maliciously created a comment that will break incautiou...--> but got Text node "Ijklmnop
+"
 FAIL extend() backwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 64 [xmlComment, 4] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 65 [processingInstruction, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected ProcessingInstruction node with target "somePI" and data "Did you know that \":syn sync fromstart\" is very useful wh..." but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 65 [processingInstruction, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected ProcessingInstruction node with target "somePI" and data "Did you know that \":syn sync fromstart\" is very useful wh..." but got Text node "Ijklmnop
+"
 FAIL extend() backwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 65 [processingInstruction, 0] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 66 [processingInstruction, 5] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected ProcessingInstruction node with target "somePI" and data "Did you know that \":syn sync fromstart\" is very useful wh..." but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 66 [processingInstruction, 5] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected ProcessingInstruction node with target "somePI" and data "Did you know that \":syn sync fromstart\" is very useful wh..." but got Text node "Ijklmnop
+"
 FAIL extend() backwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 66 [processingInstruction, 5] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 67 [processingInstruction, 9] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected ProcessingInstruction node with target "somePI" and data "Did you know that \":syn sync fromstart\" is very useful wh..." but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 67 [processingInstruction, 9] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected ProcessingInstruction node with target "somePI" and data "Did you know that \":syn sync fromstart\" is very useful wh..." but got Text node "Ijklmnop
+"
 FAIL extend() backwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 67 [processingInstruction, 9] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 68 [detachedTextNode, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Uvwxyzab" but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 68 [detachedTextNode, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Uvwxyzab" but got Text node "Ijklmnop
+"
 FAIL extend() backwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 68 [detachedTextNode, 0] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 69 [detachedTextNode, 8] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Uvwxyzab" but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 69 [detachedTextNode, 8] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Uvwxyzab" but got Text node "Ijklmnop
+"
 FAIL extend() backwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 69 [detachedTextNode, 8] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 70 [detachedForeignTextNode, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Cdefghij" but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 70 [detachedForeignTextNode, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Cdefghij" but got Text node "Ijklmnop
+"
 FAIL extend() backwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 70 [detachedForeignTextNode, 0] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 71 [detachedForeignTextNode, 8] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Cdefghij" but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 71 [detachedForeignTextNode, 8] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Cdefghij" but got Text node "Ijklmnop
+"
 FAIL extend() backwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 71 [detachedForeignTextNode, 8] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 72 [detachedXmlTextNode, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Klmnopqr" but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 72 [detachedXmlTextNode, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Klmnopqr" but got Text node "Ijklmnop
+"
 FAIL extend() backwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 72 [detachedXmlTextNode, 0] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 73 [detachedXmlTextNode, 8] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Klmnopqr" but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 73 [detachedXmlTextNode, 8] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Klmnopqr" but got Text node "Ijklmnop
+"
 FAIL extend() backwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 73 [detachedXmlTextNode, 8] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 74 [detachedProcessingInstruction, 12] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected ProcessingInstruction node with target "whippoorwill" and data "chirp chirp chirp" but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 74 [detachedProcessingInstruction, 12] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected ProcessingInstruction node with target "whippoorwill" and data "chirp chirp chirp" but got Text node "Ijklmnop
+"
 FAIL extend() backwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 74 [detachedProcessingInstruction, 12] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 75 [detachedComment, 3] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Comment node <!--Stuvwxyz--> but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 75 [detachedComment, 3] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Comment node <!--Stuvwxyz--> but got Text node "Ijklmnop
+"
 FAIL extend() backwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 75 [detachedComment, 3] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 76 [detachedComment, 5] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Comment node <!--Stuvwxyz--> but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 76 [detachedComment, 5] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Comment node <!--Stuvwxyz--> but got Text node "Ijklmnop
+"
 FAIL extend() backwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 76 [detachedComment, 5] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 77 [detachedForeignComment, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Comment node <!--אריה יהודה--> but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 77 [detachedForeignComment, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Comment node <!--אריה יהודה--> but got Text node "Ijklmnop
+"
 FAIL extend() backwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 77 [detachedForeignComment, 0] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 78 [detachedForeignComment, 4] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Comment node <!--אריה יהודה--> but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 78 [detachedForeignComment, 4] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Comment node <!--אריה יהודה--> but got Text node "Ijklmnop
+"
 FAIL extend() backwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 78 [detachedForeignComment, 4] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 79 [detachedXmlComment, 2] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Comment node <!--בן חיים אליעזר--> but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 79 [detachedXmlComment, 2] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Comment node <!--בן חיים אליעזר--> but got Text node "Ijklmnop
+"
 FAIL extend() backwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 79 [detachedXmlComment, 2] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 80 [docfrag, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected DocumentFragment node with 0 children but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 80 [docfrag, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected DocumentFragment node with 0 children but got Text node "Ijklmnop
+"
 FAIL extend() backwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 80 [docfrag, 0] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 81 [foreignDocfrag, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected DocumentFragment node with 0 children but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 81 [foreignDocfrag, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected DocumentFragment node with 0 children but got Text node "Ijklmnop
+"
 FAIL extend() backwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 81 [foreignDocfrag, 0] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 82 [xmlDocfrag, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected DocumentFragment node with 0 children but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 82 [xmlDocfrag, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected DocumentFragment node with 0 children but got Text node "Ijklmnop
+"
 FAIL extend() backwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 82 [xmlDocfrag, 0] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
 PASS extend() forwards with range 7 [paras[1].firstChild, 2, paras[1].firstChild, 8] and point 83 [doctype, 0] 
@@ -1947,22 +2115,28 @@ FAIL extend() backwards with range 7 [paras[1].firstChild, 2, paras[1].firstChil
 PASS extend() forwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 0 [paras[0].firstChild, -1] 
 FAIL extend() backwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 0 [paras[0].firstChild, -1] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 1 [paras[0].firstChild, 0] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Qrstuvwx" but got Element node <p id="c">Qrstuvwx</p>
+FAIL extend() forwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 1 [paras[0].firstChild, 0] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Ijklmnop
+" but got Element node <p id="c">Qrstuvwx</p>
 FAIL extend() backwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 1 [paras[0].firstChild, 0] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 2 [paras[0].firstChild, 1] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Qrstuvwx" but got Element node <p id="c">Qrstuvwx</p>
+FAIL extend() forwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 2 [paras[0].firstChild, 1] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Ijklmnop
+" but got Element node <p id="c">Qrstuvwx</p>
 FAIL extend() backwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 2 [paras[0].firstChild, 1] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 3 [paras[0].firstChild, 2] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Qrstuvwx" but got Element node <p id="c">Qrstuvwx</p>
+FAIL extend() forwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 3 [paras[0].firstChild, 2] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Ijklmnop
+" but got Element node <p id="c">Qrstuvwx</p>
 FAIL extend() backwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 3 [paras[0].firstChild, 2] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 4 [paras[0].firstChild, 8] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Qrstuvwx" but got Element node <p id="c">Qrstuvwx</p>
+FAIL extend() forwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 4 [paras[0].firstChild, 8] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Ijklmnop
+" but got Element node <p id="c">Qrstuvwx</p>
 FAIL extend() backwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 4 [paras[0].firstChild, 8] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 5 [paras[0].firstChild, 9] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Qrstuvwx" but got Element node <p id="c">Qrstuvwx</p>
+FAIL extend() forwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 5 [paras[0].firstChild, 9] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Ijklmnop
+" but got Element node <p id="c">Qrstuvwx</p>
 FAIL extend() backwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 5 [paras[0].firstChild, 9] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 6 [paras[0].firstChild, 10] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Qrstuvwx" but got Element node <p id="c">Qrstuvwx</p>
+FAIL extend() forwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 6 [paras[0].firstChild, 10] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Ijklmnop
+" but got Element node <p id="c">Qrstuvwx</p>
 FAIL extend() backwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 6 [paras[0].firstChild, 10] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
 PASS extend() forwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 7 [paras[0].firstChild, 65535] 
@@ -1971,23 +2145,23 @@ FAIL extend() backwards with range 8 [paras[1].firstChild, 2, paras[1].firstChil
 PASS extend() forwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 8 [paras[1].firstChild, -1] 
 FAIL extend() backwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 8 [paras[1].firstChild, -1] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 9 [paras[1].firstChild, 0] assert_equals: focusNode must be the node passed to extend() expected Text node "Ijklmnop
+FAIL extend() forwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 9 [paras[1].firstChild, 0] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
 FAIL extend() backwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 9 [paras[1].firstChild, 0] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 10 [paras[1].firstChild, 1] assert_equals: focusNode must be the node passed to extend() expected Text node "Ijklmnop
+FAIL extend() forwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 10 [paras[1].firstChild, 1] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
 FAIL extend() backwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 10 [paras[1].firstChild, 1] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 11 [paras[1].firstChild, 2] assert_equals: focusNode must be the node passed to extend() expected Text node "Ijklmnop
+FAIL extend() forwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 11 [paras[1].firstChild, 2] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
 FAIL extend() backwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 11 [paras[1].firstChild, 2] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 12 [paras[1].firstChild, 8] assert_equals: focusNode must be the node passed to extend() expected Text node "Ijklmnop
+FAIL extend() forwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 12 [paras[1].firstChild, 8] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
 FAIL extend() backwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 12 [paras[1].firstChild, 8] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 13 [paras[1].firstChild, 9] assert_equals: focusNode must be the node passed to extend() expected Text node "Ijklmnop
+FAIL extend() forwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 13 [paras[1].firstChild, 9] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
 FAIL extend() backwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 13 [paras[1].firstChild, 9] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
@@ -1997,25 +2171,31 @@ FAIL extend() backwards with range 8 [paras[1].firstChild, 2, paras[1].firstChil
 PASS extend() forwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 15 [paras[1].firstChild, 65535] 
 FAIL extend() backwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 15 [paras[1].firstChild, 65535] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 16 [detachedPara1.firstChild, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Opqrstuv" but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 16 [detachedPara1.firstChild, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Opqrstuv" but got Text node "Ijklmnop
+"
 FAIL extend() backwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 16 [detachedPara1.firstChild, 0] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 17 [detachedPara1.firstChild, 1] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Opqrstuv" but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 17 [detachedPara1.firstChild, 1] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Opqrstuv" but got Text node "Ijklmnop
+"
 FAIL extend() backwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 17 [detachedPara1.firstChild, 1] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 18 [detachedPara1.firstChild, 8] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Opqrstuv" but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 18 [detachedPara1.firstChild, 8] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Opqrstuv" but got Text node "Ijklmnop
+"
 FAIL extend() backwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 18 [detachedPara1.firstChild, 8] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
 PASS extend() forwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 19 [detachedPara1.firstChild, 9] 
 FAIL extend() backwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 19 [detachedPara1.firstChild, 9] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 20 [foreignPara1.firstChild, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Efghijkl" but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 20 [foreignPara1.firstChild, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Efghijkl" but got Text node "Ijklmnop
+"
 FAIL extend() backwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 20 [foreignPara1.firstChild, 0] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 21 [foreignPara1.firstChild, 1] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Efghijkl" but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 21 [foreignPara1.firstChild, 1] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Efghijkl" but got Text node "Ijklmnop
+"
 FAIL extend() backwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 21 [foreignPara1.firstChild, 1] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 22 [foreignPara1.firstChild, 8] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Efghijkl" but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 22 [foreignPara1.firstChild, 8] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Efghijkl" but got Text node "Ijklmnop
+"
 FAIL extend() backwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 22 [foreignPara1.firstChild, 8] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
 PASS extend() forwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 23 [foreignPara1.firstChild, 9] 
@@ -2024,81 +2204,96 @@ FAIL extend() backwards with range 8 [paras[1].firstChild, 2, paras[1].firstChil
 PASS extend() forwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 24 [document.documentElement, -1] 
 FAIL extend() backwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 24 [document.documentElement, -1] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 25 [document.documentElement, 0] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Qrstuvwx" but got Element node <p id="c">Qrstuvwx</p>
+FAIL extend() forwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 25 [document.documentElement, 0] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Ijklmnop
+" but got Element node <p id="c">Qrstuvwx</p>
 FAIL extend() backwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 25 [document.documentElement, 0] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 26 [document.documentElement, 1] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Qrstuvwx" but got Element node <p id="c">Qrstuvwx</p>
+FAIL extend() forwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 26 [document.documentElement, 1] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Ijklmnop
+" but got Element node <p id="c">Qrstuvwx</p>
 FAIL extend() backwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 26 [document.documentElement, 1] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 27 [document.documentElement, 2] assert_equals: focusNode must be the node passed to extend() expected Element node <html><head><title>Selection extend() tests</title>
-<meta... but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 27 [document.documentElement, 2] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Ijklmnop
+" but got Text node "Qrstuvwx"
 FAIL extend() backwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 27 [document.documentElement, 2] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
 PASS extend() forwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 28 [document.documentElement, 7] 
 FAIL extend() backwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 28 [document.documentElement, 7] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 29 [document.head, 1] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Qrstuvwx" but got Element node <p id="c">Qrstuvwx</p>
+FAIL extend() forwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 29 [document.head, 1] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Ijklmnop
+" but got Element node <p id="c">Qrstuvwx</p>
 FAIL extend() backwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 29 [document.head, 1] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 30 [document.body, 3] assert_equals: focusNode must be the node passed to extend() expected Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
-</p><p id... but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 30 [document.body, 3] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Ijklmnop
+" but got Text node "Qrstuvwx"
 FAIL extend() backwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 30 [document.body, 3] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 31 [foreignDoc.documentElement, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Element node <html><head><title></title></head><body><p>Efghijkl</p><p... but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 31 [foreignDoc.documentElement, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Element node <html><head><title></title></head><body><p>Efghijkl</p><p... but got Text node "Ijklmnop
+"
 FAIL extend() backwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 31 [foreignDoc.documentElement, 0] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 32 [foreignDoc.documentElement, 1] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Element node <html><head><title></title></head><body><p>Efghijkl</p><p... but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 32 [foreignDoc.documentElement, 1] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Element node <html><head><title></title></head><body><p>Efghijkl</p><p... but got Text node "Ijklmnop
+"
 FAIL extend() backwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 32 [foreignDoc.documentElement, 1] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 33 [foreignDoc.head, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Element node <head><title></title></head> but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 33 [foreignDoc.head, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Element node <head><title></title></head> but got Text node "Ijklmnop
+"
 FAIL extend() backwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 33 [foreignDoc.head, 0] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 34 [foreignDoc.body, 1] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Element node <body><p>Efghijkl</p><p>Mnopqrst</p>I admit that I harbor... but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 34 [foreignDoc.body, 1] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Element node <body><p>Efghijkl</p><p>Mnopqrst</p>I admit that I harbor... but got Text node "Ijklmnop
+"
 FAIL extend() backwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 34 [foreignDoc.body, 1] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 35 [paras[0], 0] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Qrstuvwx" but got Element node <p id="c">Qrstuvwx</p>
+FAIL extend() forwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 35 [paras[0], 0] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Ijklmnop
+" but got Element node <p id="c">Qrstuvwx</p>
 FAIL extend() backwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 35 [paras[0], 0] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 36 [paras[0], 1] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Qrstuvwx" but got Element node <p id="c">Qrstuvwx</p>
+FAIL extend() forwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 36 [paras[0], 1] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Ijklmnop
+" but got Element node <p id="c">Qrstuvwx</p>
 FAIL extend() backwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 36 [paras[0], 1] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
 PASS extend() forwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 37 [paras[0], 2] 
 FAIL extend() backwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 37 [paras[0], 2] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 38 [paras[1], 0] assert_equals: focusNode must be the node passed to extend() expected Element node <p id="b" style="display:none">Ijklmnop
-</p> but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 38 [paras[1], 0] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Ijklmnop
+" but got Text node "Qrstuvwx"
 FAIL extend() backwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 38 [paras[1], 0] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 39 [paras[1], 1] assert_equals: focusNode must be the node passed to extend() expected Element node <p id="b" style="display:none">Ijklmnop
-</p> but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 39 [paras[1], 1] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Ijklmnop
+" but got Text node "Qrstuvwx"
 FAIL extend() backwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 39 [paras[1], 1] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
 PASS extend() forwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 40 [paras[1], 2] 
 FAIL extend() backwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 40 [paras[1], 2] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 41 [detachedPara1, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Element node <p>Opqrstuv</p> but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 41 [detachedPara1, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Element node <p>Opqrstuv</p> but got Text node "Ijklmnop
+"
 FAIL extend() backwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 41 [detachedPara1, 0] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 42 [detachedPara1, 1] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Element node <p>Opqrstuv</p> but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 42 [detachedPara1, 1] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Element node <p>Opqrstuv</p> but got Text node "Ijklmnop
+"
 FAIL extend() backwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 42 [detachedPara1, 1] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 43 [testDiv, 0] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Qrstuvwx" but got Element node <p id="c">Qrstuvwx</p>
+FAIL extend() forwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 43 [testDiv, 0] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Ijklmnop
+" but got Element node <p id="c">Qrstuvwx</p>
 FAIL extend() backwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 43 [testDiv, 0] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 44 [testDiv, 3] assert_equals: focusNode must be the node passed to extend() expected Element node <div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
-</p><p id="b" s... but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 44 [testDiv, 3] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Ijklmnop
+" but got Text node "Qrstuvwx"
 FAIL extend() backwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 44 [testDiv, 3] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
 PASS extend() forwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 45 [document, -1] 
 FAIL extend() backwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 45 [document, -1] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 46 [document, 0] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Qrstuvwx" but got Element node <p id="c">Qrstuvwx</p>
+FAIL extend() forwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 46 [document, 0] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Ijklmnop
+" but got Element node <p id="c">Qrstuvwx</p>
 FAIL extend() backwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 46 [document, 0] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 47 [document, 1] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Qrstuvwx" but got Element node <p id="c">Qrstuvwx</p>
+FAIL extend() forwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 47 [document, 1] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Ijklmnop
+" but got Element node <p id="c">Qrstuvwx</p>
 FAIL extend() backwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 47 [document, 1] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 48 [document, 2] assert_equals: focusNode must be the node passed to extend() expected Document node with 2 children but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 48 [document, 2] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Ijklmnop
+" but got Text node "Qrstuvwx"
 FAIL extend() backwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 48 [document, 2] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
 PASS extend() forwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 49 [document, 3] 
@@ -2107,100 +2302,129 @@ FAIL extend() backwards with range 8 [paras[1].firstChild, 2, paras[1].firstChil
 PASS extend() forwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 50 [comment, -1] 
 FAIL extend() backwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 50 [comment, -1] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 51 [comment, 0] assert_equals: focusNode must be the node passed to extend() expected Comment node <!--Alphabet soup?--> but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 51 [comment, 0] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Ijklmnop
+" but got Text node "Qrstuvwx"
 FAIL extend() backwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 51 [comment, 0] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 52 [comment, 4] assert_equals: focusNode must be the node passed to extend() expected Comment node <!--Alphabet soup?--> but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 52 [comment, 4] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Text node "Ijklmnop
+" but got Text node "Qrstuvwx"
 FAIL extend() backwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 52 [comment, 4] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
 PASS extend() forwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 53 [comment, 96] 
 FAIL extend() backwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 53 [comment, 96] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 54 [foreignDoc, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Document node with 3 children but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 54 [foreignDoc, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Document node with 3 children but got Text node "Ijklmnop
+"
 FAIL extend() backwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 54 [foreignDoc, 0] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 55 [foreignDoc, 1] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Document node with 3 children but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 55 [foreignDoc, 1] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Document node with 3 children but got Text node "Ijklmnop
+"
 FAIL extend() backwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 55 [foreignDoc, 1] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 56 [foreignComment, 2] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Comment node <!--"Commenter" and "commentator" mean different things.  I'v...--> but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 56 [foreignComment, 2] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Comment node <!--"Commenter" and "commentator" mean different things.  I'v...--> but got Text node "Ijklmnop
+"
 FAIL extend() backwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 56 [foreignComment, 2] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 57 [foreignTextNode, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "I admit that I harbor doubts about whether we really need..." but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 57 [foreignTextNode, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "I admit that I harbor doubts about whether we really need..." but got Text node "Ijklmnop
+"
 FAIL extend() backwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 57 [foreignTextNode, 0] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 58 [foreignTextNode, 36] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "I admit that I harbor doubts about whether we really need..." but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 58 [foreignTextNode, 36] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "I admit that I harbor doubts about whether we really need..." but got Text node "Ijklmnop
+"
 FAIL extend() backwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 58 [foreignTextNode, 36] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
 PASS extend() forwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 59 [xmlDoc, -1] 
 FAIL extend() backwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 59 [xmlDoc, -1] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 60 [xmlDoc, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Document node with 4 children but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 60 [xmlDoc, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Document node with 4 children but got Text node "Ijklmnop
+"
 FAIL extend() backwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 60 [xmlDoc, 0] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 61 [xmlDoc, 1] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Document node with 4 children but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 61 [xmlDoc, 1] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Document node with 4 children but got Text node "Ijklmnop
+"
 FAIL extend() backwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 61 [xmlDoc, 1] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
 PASS extend() forwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 62 [xmlDoc, 5] 
 FAIL extend() backwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 62 [xmlDoc, 5] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 63 [xmlComment, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Comment node <!--I maliciously created a comment that will break incautiou...--> but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 63 [xmlComment, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Comment node <!--I maliciously created a comment that will break incautiou...--> but got Text node "Ijklmnop
+"
 FAIL extend() backwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 63 [xmlComment, 0] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 64 [xmlComment, 4] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Comment node <!--I maliciously created a comment that will break incautiou...--> but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 64 [xmlComment, 4] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Comment node <!--I maliciously created a comment that will break incautiou...--> but got Text node "Ijklmnop
+"
 FAIL extend() backwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 64 [xmlComment, 4] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 65 [processingInstruction, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected ProcessingInstruction node with target "somePI" and data "Did you know that \":syn sync fromstart\" is very useful wh..." but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 65 [processingInstruction, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected ProcessingInstruction node with target "somePI" and data "Did you know that \":syn sync fromstart\" is very useful wh..." but got Text node "Ijklmnop
+"
 FAIL extend() backwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 65 [processingInstruction, 0] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 66 [processingInstruction, 5] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected ProcessingInstruction node with target "somePI" and data "Did you know that \":syn sync fromstart\" is very useful wh..." but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 66 [processingInstruction, 5] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected ProcessingInstruction node with target "somePI" and data "Did you know that \":syn sync fromstart\" is very useful wh..." but got Text node "Ijklmnop
+"
 FAIL extend() backwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 66 [processingInstruction, 5] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 67 [processingInstruction, 9] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected ProcessingInstruction node with target "somePI" and data "Did you know that \":syn sync fromstart\" is very useful wh..." but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 67 [processingInstruction, 9] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected ProcessingInstruction node with target "somePI" and data "Did you know that \":syn sync fromstart\" is very useful wh..." but got Text node "Ijklmnop
+"
 FAIL extend() backwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 67 [processingInstruction, 9] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 68 [detachedTextNode, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Uvwxyzab" but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 68 [detachedTextNode, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Uvwxyzab" but got Text node "Ijklmnop
+"
 FAIL extend() backwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 68 [detachedTextNode, 0] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 69 [detachedTextNode, 8] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Uvwxyzab" but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 69 [detachedTextNode, 8] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Uvwxyzab" but got Text node "Ijklmnop
+"
 FAIL extend() backwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 69 [detachedTextNode, 8] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 70 [detachedForeignTextNode, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Cdefghij" but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 70 [detachedForeignTextNode, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Cdefghij" but got Text node "Ijklmnop
+"
 FAIL extend() backwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 70 [detachedForeignTextNode, 0] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 71 [detachedForeignTextNode, 8] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Cdefghij" but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 71 [detachedForeignTextNode, 8] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Cdefghij" but got Text node "Ijklmnop
+"
 FAIL extend() backwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 71 [detachedForeignTextNode, 8] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 72 [detachedXmlTextNode, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Klmnopqr" but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 72 [detachedXmlTextNode, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Klmnopqr" but got Text node "Ijklmnop
+"
 FAIL extend() backwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 72 [detachedXmlTextNode, 0] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 73 [detachedXmlTextNode, 8] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Klmnopqr" but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 73 [detachedXmlTextNode, 8] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Klmnopqr" but got Text node "Ijklmnop
+"
 FAIL extend() backwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 73 [detachedXmlTextNode, 8] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 74 [detachedProcessingInstruction, 12] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected ProcessingInstruction node with target "whippoorwill" and data "chirp chirp chirp" but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 74 [detachedProcessingInstruction, 12] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected ProcessingInstruction node with target "whippoorwill" and data "chirp chirp chirp" but got Text node "Ijklmnop
+"
 FAIL extend() backwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 74 [detachedProcessingInstruction, 12] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 75 [detachedComment, 3] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Comment node <!--Stuvwxyz--> but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 75 [detachedComment, 3] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Comment node <!--Stuvwxyz--> but got Text node "Ijklmnop
+"
 FAIL extend() backwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 75 [detachedComment, 3] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 76 [detachedComment, 5] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Comment node <!--Stuvwxyz--> but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 76 [detachedComment, 5] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Comment node <!--Stuvwxyz--> but got Text node "Ijklmnop
+"
 FAIL extend() backwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 76 [detachedComment, 5] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 77 [detachedForeignComment, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Comment node <!--אריה יהודה--> but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 77 [detachedForeignComment, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Comment node <!--אריה יהודה--> but got Text node "Ijklmnop
+"
 FAIL extend() backwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 77 [detachedForeignComment, 0] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 78 [detachedForeignComment, 4] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Comment node <!--אריה יהודה--> but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 78 [detachedForeignComment, 4] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Comment node <!--אריה יהודה--> but got Text node "Ijklmnop
+"
 FAIL extend() backwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 78 [detachedForeignComment, 4] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 79 [detachedXmlComment, 2] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Comment node <!--בן חיים אליעזר--> but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 79 [detachedXmlComment, 2] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Comment node <!--בן חיים אליעזר--> but got Text node "Ijklmnop
+"
 FAIL extend() backwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 79 [detachedXmlComment, 2] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 80 [docfrag, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected DocumentFragment node with 0 children but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 80 [docfrag, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected DocumentFragment node with 0 children but got Text node "Ijklmnop
+"
 FAIL extend() backwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 80 [docfrag, 0] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 81 [foreignDocfrag, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected DocumentFragment node with 0 children but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 81 [foreignDocfrag, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected DocumentFragment node with 0 children but got Text node "Ijklmnop
+"
 FAIL extend() backwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 81 [foreignDocfrag, 0] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
-FAIL extend() forwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 82 [xmlDocfrag, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected DocumentFragment node with 0 children but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 82 [xmlDocfrag, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected DocumentFragment node with 0 children but got Text node "Ijklmnop
+"
 FAIL extend() backwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 82 [xmlDocfrag, 0] assert_equals: Sanity check: startContainer must be correct expected Text node "Ijklmnop
 " but got Text node "Qrstuvwx"
 PASS extend() forwards with range 8 [paras[1].firstChild, 2, paras[1].firstChild, 9] and point 83 [doctype, 0] 
@@ -3104,27 +3328,39 @@ PASS extend() forwards with range 15 [document.documentElement, 0, document.docu
 FAIL extend() backwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 0 [paras[0].firstChild, -1] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-PASS extend() forwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 1 [paras[0].firstChild, 0] 
+FAIL extend() forwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 1 [paras[0].firstChild, 0] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Element node <html><head><title>Selection extend() tests</title>
+<meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
+"
 FAIL extend() backwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 1 [paras[0].firstChild, 0] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 2 [paras[0].firstChild, 1] assert_equals: focusOffset must be the offset passed to extend() expected 1 but got 2
+FAIL extend() forwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 2 [paras[0].firstChild, 1] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Element node <html><head><title>Selection extend() tests</title>
+<meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
+"
 FAIL extend() backwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 2 [paras[0].firstChild, 1] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-PASS extend() forwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 3 [paras[0].firstChild, 2] 
+FAIL extend() forwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 3 [paras[0].firstChild, 2] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Element node <html><head><title>Selection extend() tests</title>
+<meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
+"
 FAIL extend() backwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 3 [paras[0].firstChild, 2] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-PASS extend() forwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 4 [paras[0].firstChild, 8] 
+FAIL extend() forwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 4 [paras[0].firstChild, 8] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Element node <html><head><title>Selection extend() tests</title>
+<meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
+"
 FAIL extend() backwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 4 [paras[0].firstChild, 8] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 5 [paras[0].firstChild, 9] assert_equals: focusOffset must be the offset passed to extend() expected 9 but got 10
+FAIL extend() forwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 5 [paras[0].firstChild, 9] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Element node <html><head><title>Selection extend() tests</title>
+<meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
+"
 FAIL extend() backwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 5 [paras[0].firstChild, 9] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-PASS extend() forwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 6 [paras[0].firstChild, 10] 
+FAIL extend() forwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 6 [paras[0].firstChild, 10] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Element node <html><head><title>Selection extend() tests</title>
+<meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
+"
 FAIL extend() backwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 6 [paras[0].firstChild, 10] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
@@ -3136,28 +3372,33 @@ PASS extend() forwards with range 15 [document.documentElement, 0, document.docu
 FAIL extend() backwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 8 [paras[1].firstChild, -1] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 9 [paras[1].firstChild, 0] assert_equals: focusNode must be the node passed to extend() expected Text node "Ijklmnop
-" but got Element node <p id="c">Qrstuvwx</p>
+FAIL extend() forwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 9 [paras[1].firstChild, 0] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Element node <html><head><title>Selection extend() tests</title>
+<meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
+"
 FAIL extend() backwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 9 [paras[1].firstChild, 0] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 10 [paras[1].firstChild, 1] assert_equals: focusNode must be the node passed to extend() expected Text node "Ijklmnop
-" but got Element node <p id="c">Qrstuvwx</p>
+FAIL extend() forwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 10 [paras[1].firstChild, 1] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Element node <html><head><title>Selection extend() tests</title>
+<meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
+"
 FAIL extend() backwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 10 [paras[1].firstChild, 1] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 11 [paras[1].firstChild, 2] assert_equals: focusNode must be the node passed to extend() expected Text node "Ijklmnop
-" but got Element node <p id="c">Qrstuvwx</p>
+FAIL extend() forwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 11 [paras[1].firstChild, 2] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Element node <html><head><title>Selection extend() tests</title>
+<meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
+"
 FAIL extend() backwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 11 [paras[1].firstChild, 2] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 12 [paras[1].firstChild, 8] assert_equals: focusNode must be the node passed to extend() expected Text node "Ijklmnop
-" but got Element node <p id="c">Qrstuvwx</p>
+FAIL extend() forwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 12 [paras[1].firstChild, 8] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Element node <html><head><title>Selection extend() tests</title>
+<meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
+"
 FAIL extend() backwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 12 [paras[1].firstChild, 8] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 13 [paras[1].firstChild, 9] assert_equals: focusNode must be the node passed to extend() expected Text node "Ijklmnop
-" but got Element node <p id="c">Qrstuvwx</p>
+FAIL extend() forwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 13 [paras[1].firstChild, 9] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Element node <html><head><title>Selection extend() tests</title>
+<meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
+"
 FAIL extend() backwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 13 [paras[1].firstChild, 9] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
@@ -3169,18 +3410,18 @@ PASS extend() forwards with range 15 [document.documentElement, 0, document.docu
 FAIL extend() backwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 15 [paras[1].firstChild, 65535] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 16 [detachedPara1.firstChild, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Opqrstuv" but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() forwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 16 [detachedPara1.firstChild, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Opqrstuv" but got Element node <html><head><title>Selection extend() tests</title>
+<meta...
 FAIL extend() backwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 16 [detachedPara1.firstChild, 0] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 17 [detachedPara1.firstChild, 1] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Opqrstuv" but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() forwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 17 [detachedPara1.firstChild, 1] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Opqrstuv" but got Element node <html><head><title>Selection extend() tests</title>
+<meta...
 FAIL extend() backwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 17 [detachedPara1.firstChild, 1] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 18 [detachedPara1.firstChild, 8] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Opqrstuv" but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() forwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 18 [detachedPara1.firstChild, 8] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Opqrstuv" but got Element node <html><head><title>Selection extend() tests</title>
+<meta...
 FAIL extend() backwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 18 [detachedPara1.firstChild, 8] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
@@ -3188,18 +3429,18 @@ PASS extend() forwards with range 15 [document.documentElement, 0, document.docu
 FAIL extend() backwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 19 [detachedPara1.firstChild, 9] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 20 [foreignPara1.firstChild, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Efghijkl" but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() forwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 20 [foreignPara1.firstChild, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Efghijkl" but got Element node <html><head><title>Selection extend() tests</title>
+<meta...
 FAIL extend() backwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 20 [foreignPara1.firstChild, 0] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 21 [foreignPara1.firstChild, 1] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Efghijkl" but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() forwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 21 [foreignPara1.firstChild, 1] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Efghijkl" but got Element node <html><head><title>Selection extend() tests</title>
+<meta...
 FAIL extend() backwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 21 [foreignPara1.firstChild, 1] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 22 [foreignPara1.firstChild, 8] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Efghijkl" but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() forwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 22 [foreignPara1.firstChild, 8] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Efghijkl" but got Element node <html><head><title>Selection extend() tests</title>
+<meta...
 FAIL extend() backwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 22 [foreignPara1.firstChild, 8] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
@@ -3211,20 +3452,21 @@ PASS extend() forwards with range 15 [document.documentElement, 0, document.docu
 FAIL extend() backwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 24 [document.documentElement, -1] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 25 [document.documentElement, 0] assert_equals: focusNode must be the node passed to extend() expected Element node <html><head><title>Selection extend() tests</title>
+FAIL extend() forwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 25 [document.documentElement, 0] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
 FAIL extend() backwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 25 [document.documentElement, 0] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 26 [document.documentElement, 1] assert_equals: focusNode must be the node passed to extend() expected Element node <html><head><title>Selection extend() tests</title>
+FAIL extend() forwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 26 [document.documentElement, 1] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
 FAIL extend() backwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 26 [document.documentElement, 1] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 27 [document.documentElement, 2] assert_equals: focusNode must be the node passed to extend() expected Element node <html><head><title>Selection extend() tests</title>
-<meta... but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 27 [document.documentElement, 2] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Element node <html><head><title>Selection extend() tests</title>
+<meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
+"
 FAIL extend() backwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 27 [document.documentElement, 2] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
@@ -3232,45 +3474,46 @@ PASS extend() forwards with range 15 [document.documentElement, 0, document.docu
 FAIL extend() backwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 28 [document.documentElement, 7] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 29 [document.head, 1] assert_equals: focusNode must be the node passed to extend() expected Element node <head><title>Selection extend() tests</title>
-<meta chars... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
+FAIL extend() forwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 29 [document.head, 1] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Element node <html><head><title>Selection extend() tests</title>
+<meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
 FAIL extend() backwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 29 [document.head, 1] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 30 [document.body, 3] assert_equals: focusNode must be the node passed to extend() expected Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
-</p><p id... but got Text node "Qrstuvwx"
-FAIL extend() backwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 30 [document.body, 3] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
+FAIL extend() forwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 30 [document.body, 3] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 31 [foreignDoc.documentElement, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Element node <html><head><title></title></head><body><p>Efghijkl</p><p... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
+FAIL extend() backwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 30 [document.body, 3] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
+<meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
+FAIL extend() forwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 31 [foreignDoc.documentElement, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Element node <html><head><title></title></head><body><p>Efghijkl</p><p... but got Element node <html><head><title>Selection extend() tests</title>
+<meta...
 FAIL extend() backwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 31 [foreignDoc.documentElement, 0] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 32 [foreignDoc.documentElement, 1] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Element node <html><head><title></title></head><body><p>Efghijkl</p><p... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() forwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 32 [foreignDoc.documentElement, 1] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Element node <html><head><title></title></head><body><p>Efghijkl</p><p... but got Element node <html><head><title>Selection extend() tests</title>
+<meta...
 FAIL extend() backwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 32 [foreignDoc.documentElement, 1] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 33 [foreignDoc.head, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Element node <head><title></title></head> but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() forwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 33 [foreignDoc.head, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Element node <head><title></title></head> but got Element node <html><head><title>Selection extend() tests</title>
+<meta...
 FAIL extend() backwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 33 [foreignDoc.head, 0] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 34 [foreignDoc.body, 1] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Element node <body><p>Efghijkl</p><p>Mnopqrst</p>I admit that I harbor... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() forwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 34 [foreignDoc.body, 1] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Element node <body><p>Efghijkl</p><p>Mnopqrst</p>I admit that I harbor... but got Element node <html><head><title>Selection extend() tests</title>
+<meta...
 FAIL extend() backwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 34 [foreignDoc.body, 1] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 35 [paras[0], 0] assert_equals: focusNode must be the node passed to extend() expected Element node <p id="a">Äb̈c̈d̈ëf̈g̈ḧ
-</p> but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
+FAIL extend() forwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 35 [paras[0], 0] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Element node <html><head><title>Selection extend() tests</title>
+<meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
 FAIL extend() backwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 35 [paras[0], 0] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 36 [paras[0], 1] assert_equals: focusNode must be the node passed to extend() expected Element node <p id="a">Äb̈c̈d̈ëf̈g̈ḧ
-</p> but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
+FAIL extend() forwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 36 [paras[0], 1] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Element node <html><head><title>Selection extend() tests</title>
+<meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
 FAIL extend() backwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 36 [paras[0], 1] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
@@ -3279,13 +3522,15 @@ PASS extend() forwards with range 15 [document.documentElement, 0, document.docu
 FAIL extend() backwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 37 [paras[0], 2] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 38 [paras[1], 0] assert_equals: focusNode must be the node passed to extend() expected Element node <p id="b" style="display:none">Ijklmnop
-</p> but got Element node <p id="c">Qrstuvwx</p>
+FAIL extend() forwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 38 [paras[1], 0] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Element node <html><head><title>Selection extend() tests</title>
+<meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
+"
 FAIL extend() backwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 38 [paras[1], 0] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 39 [paras[1], 1] assert_equals: focusNode must be the node passed to extend() expected Element node <p id="b" style="display:none">Ijklmnop
-</p> but got Element node <p id="c">Qrstuvwx</p>
+FAIL extend() forwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 39 [paras[1], 1] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Element node <html><head><title>Selection extend() tests</title>
+<meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
+"
 FAIL extend() backwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 39 [paras[1], 1] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
@@ -3293,24 +3538,25 @@ PASS extend() forwards with range 15 [document.documentElement, 0, document.docu
 FAIL extend() backwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 40 [paras[1], 2] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 41 [detachedPara1, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Element node <p>Opqrstuv</p> but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() forwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 41 [detachedPara1, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Element node <p>Opqrstuv</p> but got Element node <html><head><title>Selection extend() tests</title>
+<meta...
 FAIL extend() backwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 41 [detachedPara1, 0] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 42 [detachedPara1, 1] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Element node <p>Opqrstuv</p> but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() forwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 42 [detachedPara1, 1] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Element node <p>Opqrstuv</p> but got Element node <html><head><title>Selection extend() tests</title>
+<meta...
 FAIL extend() backwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 42 [detachedPara1, 1] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 43 [testDiv, 0] assert_equals: focusNode must be the node passed to extend() expected Element node <div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
-</p><p id="b" s... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
+FAIL extend() forwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 43 [testDiv, 0] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Element node <html><head><title>Selection extend() tests</title>
+<meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
 FAIL extend() backwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 43 [testDiv, 0] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 44 [testDiv, 3] assert_equals: focusNode must be the node passed to extend() expected Element node <div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
-</p><p id="b" s... but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 44 [testDiv, 3] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Element node <html><head><title>Selection extend() tests</title>
+<meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
+"
 FAIL extend() backwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 44 [testDiv, 3] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
@@ -3318,17 +3564,21 @@ PASS extend() forwards with range 15 [document.documentElement, 0, document.docu
 FAIL extend() backwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 45 [document, -1] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 46 [document, 0] assert_equals: focusNode must be the node passed to extend() expected Document node with 2 children but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
+FAIL extend() forwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 46 [document, 0] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Element node <html><head><title>Selection extend() tests</title>
+<meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
 FAIL extend() backwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 46 [document, 0] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 47 [document, 1] assert_equals: focusNode must be the node passed to extend() expected Document node with 2 children but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
+FAIL extend() forwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 47 [document, 1] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Element node <html><head><title>Selection extend() tests</title>
+<meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
 FAIL extend() backwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 47 [document, 1] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 48 [document, 2] assert_equals: focusNode must be the node passed to extend() expected Document node with 2 children but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 48 [document, 2] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Element node <html><head><title>Selection extend() tests</title>
+<meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
+"
 FAIL extend() backwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 48 [document, 2] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
@@ -3340,11 +3590,15 @@ PASS extend() forwards with range 15 [document.documentElement, 0, document.docu
 FAIL extend() backwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 50 [comment, -1] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 51 [comment, 0] assert_equals: focusNode must be the node passed to extend() expected Comment node <!--Alphabet soup?--> but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 51 [comment, 0] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Element node <html><head><title>Selection extend() tests</title>
+<meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
+"
 FAIL extend() backwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 51 [comment, 0] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 52 [comment, 4] assert_equals: focusNode must be the node passed to extend() expected Comment node <!--Alphabet soup?--> but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 52 [comment, 4] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Element node <html><head><title>Selection extend() tests</title>
+<meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
+"
 FAIL extend() backwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 52 [comment, 4] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
@@ -3352,28 +3606,28 @@ PASS extend() forwards with range 15 [document.documentElement, 0, document.docu
 FAIL extend() backwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 53 [comment, 96] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 54 [foreignDoc, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Document node with 3 children but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() forwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 54 [foreignDoc, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Document node with 3 children but got Element node <html><head><title>Selection extend() tests</title>
+<meta...
 FAIL extend() backwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 54 [foreignDoc, 0] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 55 [foreignDoc, 1] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Document node with 3 children but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() forwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 55 [foreignDoc, 1] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Document node with 3 children but got Element node <html><head><title>Selection extend() tests</title>
+<meta...
 FAIL extend() backwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 55 [foreignDoc, 1] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 56 [foreignComment, 2] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Comment node <!--"Commenter" and "commentator" mean different things.  I'v...--> but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() forwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 56 [foreignComment, 2] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Comment node <!--"Commenter" and "commentator" mean different things.  I'v...--> but got Element node <html><head><title>Selection extend() tests</title>
+<meta...
 FAIL extend() backwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 56 [foreignComment, 2] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 57 [foreignTextNode, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "I admit that I harbor doubts about whether we really need..." but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() forwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 57 [foreignTextNode, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "I admit that I harbor doubts about whether we really need..." but got Element node <html><head><title>Selection extend() tests</title>
+<meta...
 FAIL extend() backwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 57 [foreignTextNode, 0] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 58 [foreignTextNode, 36] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "I admit that I harbor doubts about whether we really need..." but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() forwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 58 [foreignTextNode, 36] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "I admit that I harbor doubts about whether we really need..." but got Element node <html><head><title>Selection extend() tests</title>
+<meta...
 FAIL extend() backwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 58 [foreignTextNode, 36] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
@@ -3381,13 +3635,13 @@ PASS extend() forwards with range 15 [document.documentElement, 0, document.docu
 FAIL extend() backwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 59 [xmlDoc, -1] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 60 [xmlDoc, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Document node with 4 children but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() forwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 60 [xmlDoc, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Document node with 4 children but got Element node <html><head><title>Selection extend() tests</title>
+<meta...
 FAIL extend() backwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 60 [xmlDoc, 0] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 61 [xmlDoc, 1] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Document node with 4 children but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() forwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 61 [xmlDoc, 1] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Document node with 4 children but got Element node <html><head><title>Selection extend() tests</title>
+<meta...
 FAIL extend() backwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 61 [xmlDoc, 1] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
@@ -3395,103 +3649,103 @@ PASS extend() forwards with range 15 [document.documentElement, 0, document.docu
 FAIL extend() backwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 62 [xmlDoc, 5] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 63 [xmlComment, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Comment node <!--I maliciously created a comment that will break incautiou...--> but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() forwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 63 [xmlComment, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Comment node <!--I maliciously created a comment that will break incautiou...--> but got Element node <html><head><title>Selection extend() tests</title>
+<meta...
 FAIL extend() backwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 63 [xmlComment, 0] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 64 [xmlComment, 4] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Comment node <!--I maliciously created a comment that will break incautiou...--> but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() forwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 64 [xmlComment, 4] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Comment node <!--I maliciously created a comment that will break incautiou...--> but got Element node <html><head><title>Selection extend() tests</title>
+<meta...
 FAIL extend() backwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 64 [xmlComment, 4] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 65 [processingInstruction, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected ProcessingInstruction node with target "somePI" and data "Did you know that \":syn sync fromstart\" is very useful wh..." but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() forwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 65 [processingInstruction, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected ProcessingInstruction node with target "somePI" and data "Did you know that \":syn sync fromstart\" is very useful wh..." but got Element node <html><head><title>Selection extend() tests</title>
+<meta...
 FAIL extend() backwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 65 [processingInstruction, 0] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 66 [processingInstruction, 5] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected ProcessingInstruction node with target "somePI" and data "Did you know that \":syn sync fromstart\" is very useful wh..." but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() forwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 66 [processingInstruction, 5] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected ProcessingInstruction node with target "somePI" and data "Did you know that \":syn sync fromstart\" is very useful wh..." but got Element node <html><head><title>Selection extend() tests</title>
+<meta...
 FAIL extend() backwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 66 [processingInstruction, 5] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 67 [processingInstruction, 9] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected ProcessingInstruction node with target "somePI" and data "Did you know that \":syn sync fromstart\" is very useful wh..." but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() forwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 67 [processingInstruction, 9] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected ProcessingInstruction node with target "somePI" and data "Did you know that \":syn sync fromstart\" is very useful wh..." but got Element node <html><head><title>Selection extend() tests</title>
+<meta...
 FAIL extend() backwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 67 [processingInstruction, 9] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 68 [detachedTextNode, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Uvwxyzab" but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() forwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 68 [detachedTextNode, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Uvwxyzab" but got Element node <html><head><title>Selection extend() tests</title>
+<meta...
 FAIL extend() backwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 68 [detachedTextNode, 0] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 69 [detachedTextNode, 8] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Uvwxyzab" but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() forwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 69 [detachedTextNode, 8] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Uvwxyzab" but got Element node <html><head><title>Selection extend() tests</title>
+<meta...
 FAIL extend() backwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 69 [detachedTextNode, 8] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 70 [detachedForeignTextNode, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Cdefghij" but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() forwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 70 [detachedForeignTextNode, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Cdefghij" but got Element node <html><head><title>Selection extend() tests</title>
+<meta...
 FAIL extend() backwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 70 [detachedForeignTextNode, 0] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 71 [detachedForeignTextNode, 8] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Cdefghij" but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() forwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 71 [detachedForeignTextNode, 8] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Cdefghij" but got Element node <html><head><title>Selection extend() tests</title>
+<meta...
 FAIL extend() backwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 71 [detachedForeignTextNode, 8] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 72 [detachedXmlTextNode, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Klmnopqr" but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() forwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 72 [detachedXmlTextNode, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Klmnopqr" but got Element node <html><head><title>Selection extend() tests</title>
+<meta...
 FAIL extend() backwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 72 [detachedXmlTextNode, 0] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 73 [detachedXmlTextNode, 8] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Klmnopqr" but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() forwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 73 [detachedXmlTextNode, 8] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Klmnopqr" but got Element node <html><head><title>Selection extend() tests</title>
+<meta...
 FAIL extend() backwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 73 [detachedXmlTextNode, 8] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 74 [detachedProcessingInstruction, 12] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected ProcessingInstruction node with target "whippoorwill" and data "chirp chirp chirp" but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() forwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 74 [detachedProcessingInstruction, 12] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected ProcessingInstruction node with target "whippoorwill" and data "chirp chirp chirp" but got Element node <html><head><title>Selection extend() tests</title>
+<meta...
 FAIL extend() backwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 74 [detachedProcessingInstruction, 12] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 75 [detachedComment, 3] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Comment node <!--Stuvwxyz--> but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() forwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 75 [detachedComment, 3] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Comment node <!--Stuvwxyz--> but got Element node <html><head><title>Selection extend() tests</title>
+<meta...
 FAIL extend() backwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 75 [detachedComment, 3] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 76 [detachedComment, 5] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Comment node <!--Stuvwxyz--> but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() forwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 76 [detachedComment, 5] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Comment node <!--Stuvwxyz--> but got Element node <html><head><title>Selection extend() tests</title>
+<meta...
 FAIL extend() backwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 76 [detachedComment, 5] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 77 [detachedForeignComment, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Comment node <!--אריה יהודה--> but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() forwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 77 [detachedForeignComment, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Comment node <!--אריה יהודה--> but got Element node <html><head><title>Selection extend() tests</title>
+<meta...
 FAIL extend() backwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 77 [detachedForeignComment, 0] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 78 [detachedForeignComment, 4] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Comment node <!--אריה יהודה--> but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() forwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 78 [detachedForeignComment, 4] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Comment node <!--אריה יהודה--> but got Element node <html><head><title>Selection extend() tests</title>
+<meta...
 FAIL extend() backwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 78 [detachedForeignComment, 4] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 79 [detachedXmlComment, 2] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Comment node <!--בן חיים אליעזר--> but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() forwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 79 [detachedXmlComment, 2] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Comment node <!--בן חיים אליעזר--> but got Element node <html><head><title>Selection extend() tests</title>
+<meta...
 FAIL extend() backwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 79 [detachedXmlComment, 2] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 80 [docfrag, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected DocumentFragment node with 0 children but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() forwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 80 [docfrag, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected DocumentFragment node with 0 children but got Element node <html><head><title>Selection extend() tests</title>
+<meta...
 FAIL extend() backwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 80 [docfrag, 0] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 81 [foreignDocfrag, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected DocumentFragment node with 0 children but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() forwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 81 [foreignDocfrag, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected DocumentFragment node with 0 children but got Element node <html><head><title>Selection extend() tests</title>
+<meta...
 FAIL extend() backwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 81 [foreignDocfrag, 0] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 82 [xmlDocfrag, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected DocumentFragment node with 0 children but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() forwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 82 [xmlDocfrag, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected DocumentFragment node with 0 children but got Element node <html><head><title>Selection extend() tests</title>
+<meta...
 FAIL extend() backwards with range 15 [document.documentElement, 0, document.documentElement, 1] and point 82 [xmlDocfrag, 0] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
@@ -3521,27 +3775,39 @@ PASS extend() forwards with range 16 [document.documentElement, 0, document.docu
 FAIL extend() backwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 0 [paras[0].firstChild, -1] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-PASS extend() forwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 1 [paras[0].firstChild, 0] 
+FAIL extend() forwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 1 [paras[0].firstChild, 0] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Element node <html><head><title>Selection extend() tests</title>
+<meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
+"
 FAIL extend() backwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 1 [paras[0].firstChild, 0] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 2 [paras[0].firstChild, 1] assert_equals: focusOffset must be the offset passed to extend() expected 1 but got 2
+FAIL extend() forwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 2 [paras[0].firstChild, 1] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Element node <html><head><title>Selection extend() tests</title>
+<meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
+"
 FAIL extend() backwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 2 [paras[0].firstChild, 1] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-PASS extend() forwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 3 [paras[0].firstChild, 2] 
+FAIL extend() forwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 3 [paras[0].firstChild, 2] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Element node <html><head><title>Selection extend() tests</title>
+<meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
+"
 FAIL extend() backwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 3 [paras[0].firstChild, 2] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-PASS extend() forwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 4 [paras[0].firstChild, 8] 
+FAIL extend() forwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 4 [paras[0].firstChild, 8] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Element node <html><head><title>Selection extend() tests</title>
+<meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
+"
 FAIL extend() backwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 4 [paras[0].firstChild, 8] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 5 [paras[0].firstChild, 9] assert_equals: focusOffset must be the offset passed to extend() expected 9 but got 10
+FAIL extend() forwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 5 [paras[0].firstChild, 9] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Element node <html><head><title>Selection extend() tests</title>
+<meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
+"
 FAIL extend() backwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 5 [paras[0].firstChild, 9] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-PASS extend() forwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 6 [paras[0].firstChild, 10] 
+FAIL extend() forwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 6 [paras[0].firstChild, 10] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Element node <html><head><title>Selection extend() tests</title>
+<meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
+"
 FAIL extend() backwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 6 [paras[0].firstChild, 10] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
@@ -3553,28 +3819,33 @@ PASS extend() forwards with range 16 [document.documentElement, 0, document.docu
 FAIL extend() backwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 8 [paras[1].firstChild, -1] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 9 [paras[1].firstChild, 0] assert_equals: focusNode must be the node passed to extend() expected Text node "Ijklmnop
-" but got Element node <p id="c">Qrstuvwx</p>
+FAIL extend() forwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 9 [paras[1].firstChild, 0] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Element node <html><head><title>Selection extend() tests</title>
+<meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
+"
 FAIL extend() backwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 9 [paras[1].firstChild, 0] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 10 [paras[1].firstChild, 1] assert_equals: focusNode must be the node passed to extend() expected Text node "Ijklmnop
-" but got Element node <p id="c">Qrstuvwx</p>
+FAIL extend() forwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 10 [paras[1].firstChild, 1] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Element node <html><head><title>Selection extend() tests</title>
+<meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
+"
 FAIL extend() backwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 10 [paras[1].firstChild, 1] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 11 [paras[1].firstChild, 2] assert_equals: focusNode must be the node passed to extend() expected Text node "Ijklmnop
-" but got Element node <p id="c">Qrstuvwx</p>
+FAIL extend() forwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 11 [paras[1].firstChild, 2] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Element node <html><head><title>Selection extend() tests</title>
+<meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
+"
 FAIL extend() backwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 11 [paras[1].firstChild, 2] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 12 [paras[1].firstChild, 8] assert_equals: focusNode must be the node passed to extend() expected Text node "Ijklmnop
-" but got Element node <p id="c">Qrstuvwx</p>
+FAIL extend() forwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 12 [paras[1].firstChild, 8] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Element node <html><head><title>Selection extend() tests</title>
+<meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
+"
 FAIL extend() backwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 12 [paras[1].firstChild, 8] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 13 [paras[1].firstChild, 9] assert_equals: focusNode must be the node passed to extend() expected Text node "Ijklmnop
-" but got Element node <p id="c">Qrstuvwx</p>
+FAIL extend() forwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 13 [paras[1].firstChild, 9] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Element node <html><head><title>Selection extend() tests</title>
+<meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
+"
 FAIL extend() backwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 13 [paras[1].firstChild, 9] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
@@ -3586,18 +3857,18 @@ PASS extend() forwards with range 16 [document.documentElement, 0, document.docu
 FAIL extend() backwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 15 [paras[1].firstChild, 65535] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 16 [detachedPara1.firstChild, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Opqrstuv" but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() forwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 16 [detachedPara1.firstChild, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Opqrstuv" but got Element node <html><head><title>Selection extend() tests</title>
+<meta...
 FAIL extend() backwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 16 [detachedPara1.firstChild, 0] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 17 [detachedPara1.firstChild, 1] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Opqrstuv" but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() forwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 17 [detachedPara1.firstChild, 1] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Opqrstuv" but got Element node <html><head><title>Selection extend() tests</title>
+<meta...
 FAIL extend() backwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 17 [detachedPara1.firstChild, 1] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 18 [detachedPara1.firstChild, 8] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Opqrstuv" but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() forwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 18 [detachedPara1.firstChild, 8] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Opqrstuv" but got Element node <html><head><title>Selection extend() tests</title>
+<meta...
 FAIL extend() backwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 18 [detachedPara1.firstChild, 8] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
@@ -3605,18 +3876,18 @@ PASS extend() forwards with range 16 [document.documentElement, 0, document.docu
 FAIL extend() backwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 19 [detachedPara1.firstChild, 9] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 20 [foreignPara1.firstChild, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Efghijkl" but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() forwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 20 [foreignPara1.firstChild, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Efghijkl" but got Element node <html><head><title>Selection extend() tests</title>
+<meta...
 FAIL extend() backwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 20 [foreignPara1.firstChild, 0] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 21 [foreignPara1.firstChild, 1] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Efghijkl" but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() forwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 21 [foreignPara1.firstChild, 1] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Efghijkl" but got Element node <html><head><title>Selection extend() tests</title>
+<meta...
 FAIL extend() backwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 21 [foreignPara1.firstChild, 1] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 22 [foreignPara1.firstChild, 8] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Efghijkl" but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() forwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 22 [foreignPara1.firstChild, 8] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Efghijkl" but got Element node <html><head><title>Selection extend() tests</title>
+<meta...
 FAIL extend() backwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 22 [foreignPara1.firstChild, 8] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
@@ -3628,20 +3899,21 @@ PASS extend() forwards with range 16 [document.documentElement, 0, document.docu
 FAIL extend() backwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 24 [document.documentElement, -1] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 25 [document.documentElement, 0] assert_equals: focusNode must be the node passed to extend() expected Element node <html><head><title>Selection extend() tests</title>
+FAIL extend() forwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 25 [document.documentElement, 0] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
 FAIL extend() backwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 25 [document.documentElement, 0] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 26 [document.documentElement, 1] assert_equals: focusNode must be the node passed to extend() expected Element node <html><head><title>Selection extend() tests</title>
+FAIL extend() forwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 26 [document.documentElement, 1] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
 FAIL extend() backwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 26 [document.documentElement, 1] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 27 [document.documentElement, 2] assert_equals: focusNode must be the node passed to extend() expected Element node <html><head><title>Selection extend() tests</title>
-<meta... but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 27 [document.documentElement, 2] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Element node <html><head><title>Selection extend() tests</title>
+<meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
+"
 FAIL extend() backwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 27 [document.documentElement, 2] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
@@ -3649,45 +3921,46 @@ PASS extend() forwards with range 16 [document.documentElement, 0, document.docu
 FAIL extend() backwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 28 [document.documentElement, 7] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 29 [document.head, 1] assert_equals: focusNode must be the node passed to extend() expected Element node <head><title>Selection extend() tests</title>
-<meta chars... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
+FAIL extend() forwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 29 [document.head, 1] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Element node <html><head><title>Selection extend() tests</title>
+<meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
 FAIL extend() backwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 29 [document.head, 1] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 30 [document.body, 3] assert_equals: focusNode must be the node passed to extend() expected Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
-</p><p id... but got Text node "Qrstuvwx"
-FAIL extend() backwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 30 [document.body, 3] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
+FAIL extend() forwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 30 [document.body, 3] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 31 [foreignDoc.documentElement, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Element node <html><head><title></title></head><body><p>Efghijkl</p><p... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
+FAIL extend() backwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 30 [document.body, 3] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
+<meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
+FAIL extend() forwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 31 [foreignDoc.documentElement, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Element node <html><head><title></title></head><body><p>Efghijkl</p><p... but got Element node <html><head><title>Selection extend() tests</title>
+<meta...
 FAIL extend() backwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 31 [foreignDoc.documentElement, 0] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 32 [foreignDoc.documentElement, 1] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Element node <html><head><title></title></head><body><p>Efghijkl</p><p... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() forwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 32 [foreignDoc.documentElement, 1] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Element node <html><head><title></title></head><body><p>Efghijkl</p><p... but got Element node <html><head><title>Selection extend() tests</title>
+<meta...
 FAIL extend() backwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 32 [foreignDoc.documentElement, 1] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 33 [foreignDoc.head, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Element node <head><title></title></head> but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() forwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 33 [foreignDoc.head, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Element node <head><title></title></head> but got Element node <html><head><title>Selection extend() tests</title>
+<meta...
 FAIL extend() backwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 33 [foreignDoc.head, 0] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 34 [foreignDoc.body, 1] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Element node <body><p>Efghijkl</p><p>Mnopqrst</p>I admit that I harbor... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() forwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 34 [foreignDoc.body, 1] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Element node <body><p>Efghijkl</p><p>Mnopqrst</p>I admit that I harbor... but got Element node <html><head><title>Selection extend() tests</title>
+<meta...
 FAIL extend() backwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 34 [foreignDoc.body, 1] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 35 [paras[0], 0] assert_equals: focusNode must be the node passed to extend() expected Element node <p id="a">Äb̈c̈d̈ëf̈g̈ḧ
-</p> but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
+FAIL extend() forwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 35 [paras[0], 0] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Element node <html><head><title>Selection extend() tests</title>
+<meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
 FAIL extend() backwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 35 [paras[0], 0] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 36 [paras[0], 1] assert_equals: focusNode must be the node passed to extend() expected Element node <p id="a">Äb̈c̈d̈ëf̈g̈ḧ
-</p> but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
+FAIL extend() forwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 36 [paras[0], 1] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Element node <html><head><title>Selection extend() tests</title>
+<meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
 FAIL extend() backwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 36 [paras[0], 1] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
@@ -3696,13 +3969,15 @@ PASS extend() forwards with range 16 [document.documentElement, 0, document.docu
 FAIL extend() backwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 37 [paras[0], 2] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 38 [paras[1], 0] assert_equals: focusNode must be the node passed to extend() expected Element node <p id="b" style="display:none">Ijklmnop
-</p> but got Element node <p id="c">Qrstuvwx</p>
+FAIL extend() forwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 38 [paras[1], 0] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Element node <html><head><title>Selection extend() tests</title>
+<meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
+"
 FAIL extend() backwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 38 [paras[1], 0] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 39 [paras[1], 1] assert_equals: focusNode must be the node passed to extend() expected Element node <p id="b" style="display:none">Ijklmnop
-</p> but got Element node <p id="c">Qrstuvwx</p>
+FAIL extend() forwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 39 [paras[1], 1] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Element node <html><head><title>Selection extend() tests</title>
+<meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
+"
 FAIL extend() backwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 39 [paras[1], 1] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
@@ -3710,24 +3985,25 @@ PASS extend() forwards with range 16 [document.documentElement, 0, document.docu
 FAIL extend() backwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 40 [paras[1], 2] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 41 [detachedPara1, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Element node <p>Opqrstuv</p> but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() forwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 41 [detachedPara1, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Element node <p>Opqrstuv</p> but got Element node <html><head><title>Selection extend() tests</title>
+<meta...
 FAIL extend() backwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 41 [detachedPara1, 0] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 42 [detachedPara1, 1] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Element node <p>Opqrstuv</p> but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() forwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 42 [detachedPara1, 1] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Element node <p>Opqrstuv</p> but got Element node <html><head><title>Selection extend() tests</title>
+<meta...
 FAIL extend() backwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 42 [detachedPara1, 1] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 43 [testDiv, 0] assert_equals: focusNode must be the node passed to extend() expected Element node <div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
-</p><p id="b" s... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
+FAIL extend() forwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 43 [testDiv, 0] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Element node <html><head><title>Selection extend() tests</title>
+<meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
 FAIL extend() backwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 43 [testDiv, 0] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 44 [testDiv, 3] assert_equals: focusNode must be the node passed to extend() expected Element node <div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
-</p><p id="b" s... but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 44 [testDiv, 3] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Element node <html><head><title>Selection extend() tests</title>
+<meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
+"
 FAIL extend() backwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 44 [testDiv, 3] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
@@ -3735,17 +4011,21 @@ PASS extend() forwards with range 16 [document.documentElement, 0, document.docu
 FAIL extend() backwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 45 [document, -1] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 46 [document, 0] assert_equals: focusNode must be the node passed to extend() expected Document node with 2 children but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
+FAIL extend() forwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 46 [document, 0] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Element node <html><head><title>Selection extend() tests</title>
+<meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
 FAIL extend() backwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 46 [document, 0] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 47 [document, 1] assert_equals: focusNode must be the node passed to extend() expected Document node with 2 children but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
+FAIL extend() forwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 47 [document, 1] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Element node <html><head><title>Selection extend() tests</title>
+<meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
 FAIL extend() backwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 47 [document, 1] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 48 [document, 2] assert_equals: focusNode must be the node passed to extend() expected Document node with 2 children but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 48 [document, 2] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Element node <html><head><title>Selection extend() tests</title>
+<meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
+"
 FAIL extend() backwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 48 [document, 2] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
@@ -3757,11 +4037,15 @@ PASS extend() forwards with range 16 [document.documentElement, 0, document.docu
 FAIL extend() backwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 50 [comment, -1] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 51 [comment, 0] assert_equals: focusNode must be the node passed to extend() expected Comment node <!--Alphabet soup?--> but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 51 [comment, 0] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Element node <html><head><title>Selection extend() tests</title>
+<meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
+"
 FAIL extend() backwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 51 [comment, 0] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 52 [comment, 4] assert_equals: focusNode must be the node passed to extend() expected Comment node <!--Alphabet soup?--> but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 52 [comment, 4] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Element node <html><head><title>Selection extend() tests</title>
+<meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
+"
 FAIL extend() backwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 52 [comment, 4] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
@@ -3769,28 +4053,28 @@ PASS extend() forwards with range 16 [document.documentElement, 0, document.docu
 FAIL extend() backwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 53 [comment, 96] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 54 [foreignDoc, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Document node with 3 children but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() forwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 54 [foreignDoc, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Document node with 3 children but got Element node <html><head><title>Selection extend() tests</title>
+<meta...
 FAIL extend() backwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 54 [foreignDoc, 0] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 55 [foreignDoc, 1] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Document node with 3 children but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() forwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 55 [foreignDoc, 1] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Document node with 3 children but got Element node <html><head><title>Selection extend() tests</title>
+<meta...
 FAIL extend() backwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 55 [foreignDoc, 1] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 56 [foreignComment, 2] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Comment node <!--"Commenter" and "commentator" mean different things.  I'v...--> but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() forwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 56 [foreignComment, 2] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Comment node <!--"Commenter" and "commentator" mean different things.  I'v...--> but got Element node <html><head><title>Selection extend() tests</title>
+<meta...
 FAIL extend() backwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 56 [foreignComment, 2] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 57 [foreignTextNode, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "I admit that I harbor doubts about whether we really need..." but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() forwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 57 [foreignTextNode, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "I admit that I harbor doubts about whether we really need..." but got Element node <html><head><title>Selection extend() tests</title>
+<meta...
 FAIL extend() backwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 57 [foreignTextNode, 0] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 58 [foreignTextNode, 36] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "I admit that I harbor doubts about whether we really need..." but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() forwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 58 [foreignTextNode, 36] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "I admit that I harbor doubts about whether we really need..." but got Element node <html><head><title>Selection extend() tests</title>
+<meta...
 FAIL extend() backwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 58 [foreignTextNode, 36] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
@@ -3798,13 +4082,13 @@ PASS extend() forwards with range 16 [document.documentElement, 0, document.docu
 FAIL extend() backwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 59 [xmlDoc, -1] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 60 [xmlDoc, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Document node with 4 children but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() forwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 60 [xmlDoc, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Document node with 4 children but got Element node <html><head><title>Selection extend() tests</title>
+<meta...
 FAIL extend() backwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 60 [xmlDoc, 0] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 61 [xmlDoc, 1] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Document node with 4 children but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() forwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 61 [xmlDoc, 1] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Document node with 4 children but got Element node <html><head><title>Selection extend() tests</title>
+<meta...
 FAIL extend() backwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 61 [xmlDoc, 1] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
@@ -3812,103 +4096,103 @@ PASS extend() forwards with range 16 [document.documentElement, 0, document.docu
 FAIL extend() backwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 62 [xmlDoc, 5] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 63 [xmlComment, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Comment node <!--I maliciously created a comment that will break incautiou...--> but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() forwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 63 [xmlComment, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Comment node <!--I maliciously created a comment that will break incautiou...--> but got Element node <html><head><title>Selection extend() tests</title>
+<meta...
 FAIL extend() backwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 63 [xmlComment, 0] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 64 [xmlComment, 4] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Comment node <!--I maliciously created a comment that will break incautiou...--> but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() forwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 64 [xmlComment, 4] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Comment node <!--I maliciously created a comment that will break incautiou...--> but got Element node <html><head><title>Selection extend() tests</title>
+<meta...
 FAIL extend() backwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 64 [xmlComment, 4] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 65 [processingInstruction, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected ProcessingInstruction node with target "somePI" and data "Did you know that \":syn sync fromstart\" is very useful wh..." but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() forwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 65 [processingInstruction, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected ProcessingInstruction node with target "somePI" and data "Did you know that \":syn sync fromstart\" is very useful wh..." but got Element node <html><head><title>Selection extend() tests</title>
+<meta...
 FAIL extend() backwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 65 [processingInstruction, 0] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 66 [processingInstruction, 5] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected ProcessingInstruction node with target "somePI" and data "Did you know that \":syn sync fromstart\" is very useful wh..." but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() forwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 66 [processingInstruction, 5] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected ProcessingInstruction node with target "somePI" and data "Did you know that \":syn sync fromstart\" is very useful wh..." but got Element node <html><head><title>Selection extend() tests</title>
+<meta...
 FAIL extend() backwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 66 [processingInstruction, 5] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 67 [processingInstruction, 9] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected ProcessingInstruction node with target "somePI" and data "Did you know that \":syn sync fromstart\" is very useful wh..." but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() forwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 67 [processingInstruction, 9] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected ProcessingInstruction node with target "somePI" and data "Did you know that \":syn sync fromstart\" is very useful wh..." but got Element node <html><head><title>Selection extend() tests</title>
+<meta...
 FAIL extend() backwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 67 [processingInstruction, 9] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 68 [detachedTextNode, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Uvwxyzab" but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() forwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 68 [detachedTextNode, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Uvwxyzab" but got Element node <html><head><title>Selection extend() tests</title>
+<meta...
 FAIL extend() backwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 68 [detachedTextNode, 0] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 69 [detachedTextNode, 8] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Uvwxyzab" but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() forwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 69 [detachedTextNode, 8] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Uvwxyzab" but got Element node <html><head><title>Selection extend() tests</title>
+<meta...
 FAIL extend() backwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 69 [detachedTextNode, 8] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 70 [detachedForeignTextNode, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Cdefghij" but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() forwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 70 [detachedForeignTextNode, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Cdefghij" but got Element node <html><head><title>Selection extend() tests</title>
+<meta...
 FAIL extend() backwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 70 [detachedForeignTextNode, 0] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 71 [detachedForeignTextNode, 8] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Cdefghij" but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() forwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 71 [detachedForeignTextNode, 8] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Cdefghij" but got Element node <html><head><title>Selection extend() tests</title>
+<meta...
 FAIL extend() backwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 71 [detachedForeignTextNode, 8] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 72 [detachedXmlTextNode, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Klmnopqr" but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() forwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 72 [detachedXmlTextNode, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Klmnopqr" but got Element node <html><head><title>Selection extend() tests</title>
+<meta...
 FAIL extend() backwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 72 [detachedXmlTextNode, 0] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 73 [detachedXmlTextNode, 8] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Klmnopqr" but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() forwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 73 [detachedXmlTextNode, 8] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Klmnopqr" but got Element node <html><head><title>Selection extend() tests</title>
+<meta...
 FAIL extend() backwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 73 [detachedXmlTextNode, 8] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 74 [detachedProcessingInstruction, 12] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected ProcessingInstruction node with target "whippoorwill" and data "chirp chirp chirp" but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() forwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 74 [detachedProcessingInstruction, 12] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected ProcessingInstruction node with target "whippoorwill" and data "chirp chirp chirp" but got Element node <html><head><title>Selection extend() tests</title>
+<meta...
 FAIL extend() backwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 74 [detachedProcessingInstruction, 12] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 75 [detachedComment, 3] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Comment node <!--Stuvwxyz--> but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() forwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 75 [detachedComment, 3] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Comment node <!--Stuvwxyz--> but got Element node <html><head><title>Selection extend() tests</title>
+<meta...
 FAIL extend() backwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 75 [detachedComment, 3] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 76 [detachedComment, 5] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Comment node <!--Stuvwxyz--> but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() forwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 76 [detachedComment, 5] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Comment node <!--Stuvwxyz--> but got Element node <html><head><title>Selection extend() tests</title>
+<meta...
 FAIL extend() backwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 76 [detachedComment, 5] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 77 [detachedForeignComment, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Comment node <!--אריה יהודה--> but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() forwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 77 [detachedForeignComment, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Comment node <!--אריה יהודה--> but got Element node <html><head><title>Selection extend() tests</title>
+<meta...
 FAIL extend() backwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 77 [detachedForeignComment, 0] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 78 [detachedForeignComment, 4] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Comment node <!--אריה יהודה--> but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() forwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 78 [detachedForeignComment, 4] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Comment node <!--אריה יהודה--> but got Element node <html><head><title>Selection extend() tests</title>
+<meta...
 FAIL extend() backwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 78 [detachedForeignComment, 4] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 79 [detachedXmlComment, 2] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Comment node <!--בן חיים אליעזר--> but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() forwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 79 [detachedXmlComment, 2] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Comment node <!--בן חיים אליעזר--> but got Element node <html><head><title>Selection extend() tests</title>
+<meta...
 FAIL extend() backwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 79 [detachedXmlComment, 2] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 80 [docfrag, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected DocumentFragment node with 0 children but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() forwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 80 [docfrag, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected DocumentFragment node with 0 children but got Element node <html><head><title>Selection extend() tests</title>
+<meta...
 FAIL extend() backwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 80 [docfrag, 0] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 81 [foreignDocfrag, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected DocumentFragment node with 0 children but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() forwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 81 [foreignDocfrag, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected DocumentFragment node with 0 children but got Element node <html><head><title>Selection extend() tests</title>
+<meta...
 FAIL extend() backwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 81 [foreignDocfrag, 0] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 82 [xmlDocfrag, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected DocumentFragment node with 0 children but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() forwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 82 [xmlDocfrag, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected DocumentFragment node with 0 children but got Element node <html><head><title>Selection extend() tests</title>
+<meta...
 FAIL extend() backwards with range 16 [document.documentElement, 0, document.documentElement, 2] and point 82 [xmlDocfrag, 0] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
@@ -3938,27 +4222,39 @@ PASS extend() forwards with range 17 [document.documentElement, 1, document.docu
 FAIL extend() backwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 0 [paras[0].firstChild, -1] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-PASS extend() forwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 1 [paras[0].firstChild, 0] 
+FAIL extend() forwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 1 [paras[0].firstChild, 0] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Element node <html><head><title>Selection extend() tests</title>
+<meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
+"
 FAIL extend() backwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 1 [paras[0].firstChild, 0] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 2 [paras[0].firstChild, 1] assert_equals: focusOffset must be the offset passed to extend() expected 1 but got 2
+FAIL extend() forwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 2 [paras[0].firstChild, 1] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Element node <html><head><title>Selection extend() tests</title>
+<meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
+"
 FAIL extend() backwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 2 [paras[0].firstChild, 1] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-PASS extend() forwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 3 [paras[0].firstChild, 2] 
+FAIL extend() forwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 3 [paras[0].firstChild, 2] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Element node <html><head><title>Selection extend() tests</title>
+<meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
+"
 FAIL extend() backwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 3 [paras[0].firstChild, 2] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-PASS extend() forwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 4 [paras[0].firstChild, 8] 
+FAIL extend() forwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 4 [paras[0].firstChild, 8] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Element node <html><head><title>Selection extend() tests</title>
+<meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
+"
 FAIL extend() backwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 4 [paras[0].firstChild, 8] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 5 [paras[0].firstChild, 9] assert_equals: focusOffset must be the offset passed to extend() expected 9 but got 10
+FAIL extend() forwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 5 [paras[0].firstChild, 9] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Element node <html><head><title>Selection extend() tests</title>
+<meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
+"
 FAIL extend() backwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 5 [paras[0].firstChild, 9] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-PASS extend() forwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 6 [paras[0].firstChild, 10] 
+FAIL extend() forwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 6 [paras[0].firstChild, 10] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Element node <html><head><title>Selection extend() tests</title>
+<meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
+"
 FAIL extend() backwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 6 [paras[0].firstChild, 10] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
@@ -3970,28 +4266,33 @@ PASS extend() forwards with range 17 [document.documentElement, 1, document.docu
 FAIL extend() backwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 8 [paras[1].firstChild, -1] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 9 [paras[1].firstChild, 0] assert_equals: focusNode must be the node passed to extend() expected Text node "Ijklmnop
-" but got Element node <p id="c">Qrstuvwx</p>
+FAIL extend() forwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 9 [paras[1].firstChild, 0] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Element node <html><head><title>Selection extend() tests</title>
+<meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
+"
 FAIL extend() backwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 9 [paras[1].firstChild, 0] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 10 [paras[1].firstChild, 1] assert_equals: focusNode must be the node passed to extend() expected Text node "Ijklmnop
-" but got Element node <p id="c">Qrstuvwx</p>
+FAIL extend() forwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 10 [paras[1].firstChild, 1] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Element node <html><head><title>Selection extend() tests</title>
+<meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
+"
 FAIL extend() backwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 10 [paras[1].firstChild, 1] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 11 [paras[1].firstChild, 2] assert_equals: focusNode must be the node passed to extend() expected Text node "Ijklmnop
-" but got Element node <p id="c">Qrstuvwx</p>
+FAIL extend() forwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 11 [paras[1].firstChild, 2] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Element node <html><head><title>Selection extend() tests</title>
+<meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
+"
 FAIL extend() backwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 11 [paras[1].firstChild, 2] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 12 [paras[1].firstChild, 8] assert_equals: focusNode must be the node passed to extend() expected Text node "Ijklmnop
-" but got Element node <p id="c">Qrstuvwx</p>
+FAIL extend() forwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 12 [paras[1].firstChild, 8] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Element node <html><head><title>Selection extend() tests</title>
+<meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
+"
 FAIL extend() backwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 12 [paras[1].firstChild, 8] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 13 [paras[1].firstChild, 9] assert_equals: focusNode must be the node passed to extend() expected Text node "Ijklmnop
-" but got Element node <p id="c">Qrstuvwx</p>
+FAIL extend() forwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 13 [paras[1].firstChild, 9] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Element node <html><head><title>Selection extend() tests</title>
+<meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
+"
 FAIL extend() backwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 13 [paras[1].firstChild, 9] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
@@ -4003,18 +4304,18 @@ PASS extend() forwards with range 17 [document.documentElement, 1, document.docu
 FAIL extend() backwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 15 [paras[1].firstChild, 65535] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 16 [detachedPara1.firstChild, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Opqrstuv" but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() forwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 16 [detachedPara1.firstChild, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Opqrstuv" but got Element node <html><head><title>Selection extend() tests</title>
+<meta...
 FAIL extend() backwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 16 [detachedPara1.firstChild, 0] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 17 [detachedPara1.firstChild, 1] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Opqrstuv" but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() forwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 17 [detachedPara1.firstChild, 1] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Opqrstuv" but got Element node <html><head><title>Selection extend() tests</title>
+<meta...
 FAIL extend() backwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 17 [detachedPara1.firstChild, 1] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 18 [detachedPara1.firstChild, 8] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Opqrstuv" but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() forwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 18 [detachedPara1.firstChild, 8] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Opqrstuv" but got Element node <html><head><title>Selection extend() tests</title>
+<meta...
 FAIL extend() backwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 18 [detachedPara1.firstChild, 8] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
@@ -4022,18 +4323,18 @@ PASS extend() forwards with range 17 [document.documentElement, 1, document.docu
 FAIL extend() backwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 19 [detachedPara1.firstChild, 9] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 20 [foreignPara1.firstChild, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Efghijkl" but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() forwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 20 [foreignPara1.firstChild, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Efghijkl" but got Element node <html><head><title>Selection extend() tests</title>
+<meta...
 FAIL extend() backwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 20 [foreignPara1.firstChild, 0] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 21 [foreignPara1.firstChild, 1] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Efghijkl" but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() forwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 21 [foreignPara1.firstChild, 1] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Efghijkl" but got Element node <html><head><title>Selection extend() tests</title>
+<meta...
 FAIL extend() backwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 21 [foreignPara1.firstChild, 1] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 22 [foreignPara1.firstChild, 8] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Efghijkl" but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() forwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 22 [foreignPara1.firstChild, 8] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Efghijkl" but got Element node <html><head><title>Selection extend() tests</title>
+<meta...
 FAIL extend() backwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 22 [foreignPara1.firstChild, 8] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
@@ -4045,20 +4346,21 @@ PASS extend() forwards with range 17 [document.documentElement, 1, document.docu
 FAIL extend() backwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 24 [document.documentElement, -1] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 25 [document.documentElement, 0] assert_equals: focusNode must be the node passed to extend() expected Element node <html><head><title>Selection extend() tests</title>
+FAIL extend() forwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 25 [document.documentElement, 0] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
 FAIL extend() backwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 25 [document.documentElement, 0] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 26 [document.documentElement, 1] assert_equals: focusNode must be the node passed to extend() expected Element node <html><head><title>Selection extend() tests</title>
+FAIL extend() forwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 26 [document.documentElement, 1] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
 FAIL extend() backwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 26 [document.documentElement, 1] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 27 [document.documentElement, 2] assert_equals: focusNode must be the node passed to extend() expected Element node <html><head><title>Selection extend() tests</title>
-<meta... but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 27 [document.documentElement, 2] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Element node <html><head><title>Selection extend() tests</title>
+<meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
+"
 FAIL extend() backwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 27 [document.documentElement, 2] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
@@ -4066,45 +4368,46 @@ PASS extend() forwards with range 17 [document.documentElement, 1, document.docu
 FAIL extend() backwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 28 [document.documentElement, 7] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 29 [document.head, 1] assert_equals: focusNode must be the node passed to extend() expected Element node <head><title>Selection extend() tests</title>
-<meta chars... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
+FAIL extend() forwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 29 [document.head, 1] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Element node <html><head><title>Selection extend() tests</title>
+<meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
 FAIL extend() backwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 29 [document.head, 1] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 30 [document.body, 3] assert_equals: focusNode must be the node passed to extend() expected Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
-</p><p id... but got Text node "Qrstuvwx"
-FAIL extend() backwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 30 [document.body, 3] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
+FAIL extend() forwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 30 [document.body, 3] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 31 [foreignDoc.documentElement, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Element node <html><head><title></title></head><body><p>Efghijkl</p><p... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
+FAIL extend() backwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 30 [document.body, 3] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
+<meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
+FAIL extend() forwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 31 [foreignDoc.documentElement, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Element node <html><head><title></title></head><body><p>Efghijkl</p><p... but got Element node <html><head><title>Selection extend() tests</title>
+<meta...
 FAIL extend() backwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 31 [foreignDoc.documentElement, 0] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 32 [foreignDoc.documentElement, 1] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Element node <html><head><title></title></head><body><p>Efghijkl</p><p... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() forwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 32 [foreignDoc.documentElement, 1] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Element node <html><head><title></title></head><body><p>Efghijkl</p><p... but got Element node <html><head><title>Selection extend() tests</title>
+<meta...
 FAIL extend() backwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 32 [foreignDoc.documentElement, 1] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 33 [foreignDoc.head, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Element node <head><title></title></head> but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() forwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 33 [foreignDoc.head, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Element node <head><title></title></head> but got Element node <html><head><title>Selection extend() tests</title>
+<meta...
 FAIL extend() backwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 33 [foreignDoc.head, 0] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 34 [foreignDoc.body, 1] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Element node <body><p>Efghijkl</p><p>Mnopqrst</p>I admit that I harbor... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() forwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 34 [foreignDoc.body, 1] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Element node <body><p>Efghijkl</p><p>Mnopqrst</p>I admit that I harbor... but got Element node <html><head><title>Selection extend() tests</title>
+<meta...
 FAIL extend() backwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 34 [foreignDoc.body, 1] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 35 [paras[0], 0] assert_equals: focusNode must be the node passed to extend() expected Element node <p id="a">Äb̈c̈d̈ëf̈g̈ḧ
-</p> but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
+FAIL extend() forwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 35 [paras[0], 0] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Element node <html><head><title>Selection extend() tests</title>
+<meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
 FAIL extend() backwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 35 [paras[0], 0] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 36 [paras[0], 1] assert_equals: focusNode must be the node passed to extend() expected Element node <p id="a">Äb̈c̈d̈ëf̈g̈ḧ
-</p> but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
+FAIL extend() forwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 36 [paras[0], 1] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Element node <html><head><title>Selection extend() tests</title>
+<meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
 FAIL extend() backwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 36 [paras[0], 1] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
@@ -4113,13 +4416,15 @@ PASS extend() forwards with range 17 [document.documentElement, 1, document.docu
 FAIL extend() backwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 37 [paras[0], 2] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 38 [paras[1], 0] assert_equals: focusNode must be the node passed to extend() expected Element node <p id="b" style="display:none">Ijklmnop
-</p> but got Element node <p id="c">Qrstuvwx</p>
+FAIL extend() forwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 38 [paras[1], 0] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Element node <html><head><title>Selection extend() tests</title>
+<meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
+"
 FAIL extend() backwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 38 [paras[1], 0] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 39 [paras[1], 1] assert_equals: focusNode must be the node passed to extend() expected Element node <p id="b" style="display:none">Ijklmnop
-</p> but got Element node <p id="c">Qrstuvwx</p>
+FAIL extend() forwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 39 [paras[1], 1] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Element node <html><head><title>Selection extend() tests</title>
+<meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
+"
 FAIL extend() backwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 39 [paras[1], 1] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
@@ -4127,24 +4432,25 @@ PASS extend() forwards with range 17 [document.documentElement, 1, document.docu
 FAIL extend() backwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 40 [paras[1], 2] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 41 [detachedPara1, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Element node <p>Opqrstuv</p> but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() forwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 41 [detachedPara1, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Element node <p>Opqrstuv</p> but got Element node <html><head><title>Selection extend() tests</title>
+<meta...
 FAIL extend() backwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 41 [detachedPara1, 0] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 42 [detachedPara1, 1] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Element node <p>Opqrstuv</p> but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() forwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 42 [detachedPara1, 1] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Element node <p>Opqrstuv</p> but got Element node <html><head><title>Selection extend() tests</title>
+<meta...
 FAIL extend() backwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 42 [detachedPara1, 1] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 43 [testDiv, 0] assert_equals: focusNode must be the node passed to extend() expected Element node <div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
-</p><p id="b" s... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
+FAIL extend() forwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 43 [testDiv, 0] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Element node <html><head><title>Selection extend() tests</title>
+<meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
 FAIL extend() backwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 43 [testDiv, 0] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 44 [testDiv, 3] assert_equals: focusNode must be the node passed to extend() expected Element node <div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
-</p><p id="b" s... but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 44 [testDiv, 3] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Element node <html><head><title>Selection extend() tests</title>
+<meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
+"
 FAIL extend() backwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 44 [testDiv, 3] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
@@ -4152,17 +4458,21 @@ PASS extend() forwards with range 17 [document.documentElement, 1, document.docu
 FAIL extend() backwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 45 [document, -1] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 46 [document, 0] assert_equals: focusNode must be the node passed to extend() expected Document node with 2 children but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
+FAIL extend() forwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 46 [document, 0] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Element node <html><head><title>Selection extend() tests</title>
+<meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
 FAIL extend() backwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 46 [document, 0] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 47 [document, 1] assert_equals: focusNode must be the node passed to extend() expected Document node with 2 children but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
+FAIL extend() forwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 47 [document, 1] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Element node <html><head><title>Selection extend() tests</title>
+<meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
 FAIL extend() backwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 47 [document, 1] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 48 [document, 2] assert_equals: focusNode must be the node passed to extend() expected Document node with 2 children but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 48 [document, 2] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Element node <html><head><title>Selection extend() tests</title>
+<meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
+"
 FAIL extend() backwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 48 [document, 2] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
@@ -4174,11 +4484,15 @@ PASS extend() forwards with range 17 [document.documentElement, 1, document.docu
 FAIL extend() backwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 50 [comment, -1] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 51 [comment, 0] assert_equals: focusNode must be the node passed to extend() expected Comment node <!--Alphabet soup?--> but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 51 [comment, 0] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Element node <html><head><title>Selection extend() tests</title>
+<meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
+"
 FAIL extend() backwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 51 [comment, 0] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 52 [comment, 4] assert_equals: focusNode must be the node passed to extend() expected Comment node <!--Alphabet soup?--> but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 52 [comment, 4] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Element node <html><head><title>Selection extend() tests</title>
+<meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
+"
 FAIL extend() backwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 52 [comment, 4] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
@@ -4186,28 +4500,28 @@ PASS extend() forwards with range 17 [document.documentElement, 1, document.docu
 FAIL extend() backwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 53 [comment, 96] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 54 [foreignDoc, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Document node with 3 children but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() forwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 54 [foreignDoc, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Document node with 3 children but got Element node <html><head><title>Selection extend() tests</title>
+<meta...
 FAIL extend() backwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 54 [foreignDoc, 0] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 55 [foreignDoc, 1] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Document node with 3 children but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() forwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 55 [foreignDoc, 1] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Document node with 3 children but got Element node <html><head><title>Selection extend() tests</title>
+<meta...
 FAIL extend() backwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 55 [foreignDoc, 1] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 56 [foreignComment, 2] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Comment node <!--"Commenter" and "commentator" mean different things.  I'v...--> but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() forwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 56 [foreignComment, 2] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Comment node <!--"Commenter" and "commentator" mean different things.  I'v...--> but got Element node <html><head><title>Selection extend() tests</title>
+<meta...
 FAIL extend() backwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 56 [foreignComment, 2] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 57 [foreignTextNode, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "I admit that I harbor doubts about whether we really need..." but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() forwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 57 [foreignTextNode, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "I admit that I harbor doubts about whether we really need..." but got Element node <html><head><title>Selection extend() tests</title>
+<meta...
 FAIL extend() backwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 57 [foreignTextNode, 0] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 58 [foreignTextNode, 36] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "I admit that I harbor doubts about whether we really need..." but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() forwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 58 [foreignTextNode, 36] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "I admit that I harbor doubts about whether we really need..." but got Element node <html><head><title>Selection extend() tests</title>
+<meta...
 FAIL extend() backwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 58 [foreignTextNode, 36] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
@@ -4215,13 +4529,13 @@ PASS extend() forwards with range 17 [document.documentElement, 1, document.docu
 FAIL extend() backwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 59 [xmlDoc, -1] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 60 [xmlDoc, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Document node with 4 children but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() forwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 60 [xmlDoc, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Document node with 4 children but got Element node <html><head><title>Selection extend() tests</title>
+<meta...
 FAIL extend() backwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 60 [xmlDoc, 0] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 61 [xmlDoc, 1] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Document node with 4 children but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() forwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 61 [xmlDoc, 1] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Document node with 4 children but got Element node <html><head><title>Selection extend() tests</title>
+<meta...
 FAIL extend() backwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 61 [xmlDoc, 1] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
@@ -4229,103 +4543,103 @@ PASS extend() forwards with range 17 [document.documentElement, 1, document.docu
 FAIL extend() backwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 62 [xmlDoc, 5] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 63 [xmlComment, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Comment node <!--I maliciously created a comment that will break incautiou...--> but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() forwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 63 [xmlComment, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Comment node <!--I maliciously created a comment that will break incautiou...--> but got Element node <html><head><title>Selection extend() tests</title>
+<meta...
 FAIL extend() backwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 63 [xmlComment, 0] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 64 [xmlComment, 4] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Comment node <!--I maliciously created a comment that will break incautiou...--> but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() forwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 64 [xmlComment, 4] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Comment node <!--I maliciously created a comment that will break incautiou...--> but got Element node <html><head><title>Selection extend() tests</title>
+<meta...
 FAIL extend() backwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 64 [xmlComment, 4] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 65 [processingInstruction, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected ProcessingInstruction node with target "somePI" and data "Did you know that \":syn sync fromstart\" is very useful wh..." but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() forwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 65 [processingInstruction, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected ProcessingInstruction node with target "somePI" and data "Did you know that \":syn sync fromstart\" is very useful wh..." but got Element node <html><head><title>Selection extend() tests</title>
+<meta...
 FAIL extend() backwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 65 [processingInstruction, 0] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 66 [processingInstruction, 5] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected ProcessingInstruction node with target "somePI" and data "Did you know that \":syn sync fromstart\" is very useful wh..." but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() forwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 66 [processingInstruction, 5] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected ProcessingInstruction node with target "somePI" and data "Did you know that \":syn sync fromstart\" is very useful wh..." but got Element node <html><head><title>Selection extend() tests</title>
+<meta...
 FAIL extend() backwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 66 [processingInstruction, 5] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 67 [processingInstruction, 9] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected ProcessingInstruction node with target "somePI" and data "Did you know that \":syn sync fromstart\" is very useful wh..." but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() forwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 67 [processingInstruction, 9] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected ProcessingInstruction node with target "somePI" and data "Did you know that \":syn sync fromstart\" is very useful wh..." but got Element node <html><head><title>Selection extend() tests</title>
+<meta...
 FAIL extend() backwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 67 [processingInstruction, 9] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 68 [detachedTextNode, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Uvwxyzab" but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() forwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 68 [detachedTextNode, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Uvwxyzab" but got Element node <html><head><title>Selection extend() tests</title>
+<meta...
 FAIL extend() backwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 68 [detachedTextNode, 0] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 69 [detachedTextNode, 8] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Uvwxyzab" but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() forwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 69 [detachedTextNode, 8] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Uvwxyzab" but got Element node <html><head><title>Selection extend() tests</title>
+<meta...
 FAIL extend() backwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 69 [detachedTextNode, 8] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 70 [detachedForeignTextNode, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Cdefghij" but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() forwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 70 [detachedForeignTextNode, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Cdefghij" but got Element node <html><head><title>Selection extend() tests</title>
+<meta...
 FAIL extend() backwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 70 [detachedForeignTextNode, 0] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 71 [detachedForeignTextNode, 8] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Cdefghij" but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() forwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 71 [detachedForeignTextNode, 8] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Cdefghij" but got Element node <html><head><title>Selection extend() tests</title>
+<meta...
 FAIL extend() backwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 71 [detachedForeignTextNode, 8] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 72 [detachedXmlTextNode, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Klmnopqr" but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() forwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 72 [detachedXmlTextNode, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Klmnopqr" but got Element node <html><head><title>Selection extend() tests</title>
+<meta...
 FAIL extend() backwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 72 [detachedXmlTextNode, 0] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 73 [detachedXmlTextNode, 8] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Klmnopqr" but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() forwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 73 [detachedXmlTextNode, 8] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Klmnopqr" but got Element node <html><head><title>Selection extend() tests</title>
+<meta...
 FAIL extend() backwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 73 [detachedXmlTextNode, 8] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 74 [detachedProcessingInstruction, 12] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected ProcessingInstruction node with target "whippoorwill" and data "chirp chirp chirp" but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() forwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 74 [detachedProcessingInstruction, 12] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected ProcessingInstruction node with target "whippoorwill" and data "chirp chirp chirp" but got Element node <html><head><title>Selection extend() tests</title>
+<meta...
 FAIL extend() backwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 74 [detachedProcessingInstruction, 12] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 75 [detachedComment, 3] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Comment node <!--Stuvwxyz--> but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() forwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 75 [detachedComment, 3] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Comment node <!--Stuvwxyz--> but got Element node <html><head><title>Selection extend() tests</title>
+<meta...
 FAIL extend() backwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 75 [detachedComment, 3] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 76 [detachedComment, 5] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Comment node <!--Stuvwxyz--> but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() forwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 76 [detachedComment, 5] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Comment node <!--Stuvwxyz--> but got Element node <html><head><title>Selection extend() tests</title>
+<meta...
 FAIL extend() backwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 76 [detachedComment, 5] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 77 [detachedForeignComment, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Comment node <!--אריה יהודה--> but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() forwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 77 [detachedForeignComment, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Comment node <!--אריה יהודה--> but got Element node <html><head><title>Selection extend() tests</title>
+<meta...
 FAIL extend() backwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 77 [detachedForeignComment, 0] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 78 [detachedForeignComment, 4] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Comment node <!--אריה יהודה--> but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() forwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 78 [detachedForeignComment, 4] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Comment node <!--אריה יהודה--> but got Element node <html><head><title>Selection extend() tests</title>
+<meta...
 FAIL extend() backwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 78 [detachedForeignComment, 4] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 79 [detachedXmlComment, 2] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Comment node <!--בן חיים אליעזר--> but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() forwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 79 [detachedXmlComment, 2] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Comment node <!--בן חיים אליעזר--> but got Element node <html><head><title>Selection extend() tests</title>
+<meta...
 FAIL extend() backwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 79 [detachedXmlComment, 2] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 80 [docfrag, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected DocumentFragment node with 0 children but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() forwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 80 [docfrag, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected DocumentFragment node with 0 children but got Element node <html><head><title>Selection extend() tests</title>
+<meta...
 FAIL extend() backwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 80 [docfrag, 0] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 81 [foreignDocfrag, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected DocumentFragment node with 0 children but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() forwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 81 [foreignDocfrag, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected DocumentFragment node with 0 children but got Element node <html><head><title>Selection extend() tests</title>
+<meta...
 FAIL extend() backwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 81 [foreignDocfrag, 0] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 82 [xmlDocfrag, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected DocumentFragment node with 0 children but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() forwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 82 [xmlDocfrag, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected DocumentFragment node with 0 children but got Element node <html><head><title>Selection extend() tests</title>
+<meta...
 FAIL extend() backwards with range 17 [document.documentElement, 1, document.documentElement, 2] and point 82 [xmlDocfrag, 0] assert_equals: Sanity check: startContainer must be correct expected Element node <html><head><title>Selection extend() tests</title>
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
@@ -4352,151 +4666,181 @@ FAIL extend() backwards with range 17 [document.documentElement, 1, document.doc
 <meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
 PASS extend() with range 18 [document.head, 1, document.head, 1] and point 0 [paras[0].firstChild, -1] 
-PASS extend() with range 18 [document.head, 1, document.head, 1] and point 1 [paras[0].firstChild, 0] 
-FAIL extend() with range 18 [document.head, 1, document.head, 1] and point 2 [paras[0].firstChild, 1] assert_equals: focusOffset must be the offset passed to extend() expected 1 but got 2
-PASS extend() with range 18 [document.head, 1, document.head, 1] and point 3 [paras[0].firstChild, 2] 
-PASS extend() with range 18 [document.head, 1, document.head, 1] and point 4 [paras[0].firstChild, 8] 
-FAIL extend() with range 18 [document.head, 1, document.head, 1] and point 5 [paras[0].firstChild, 9] assert_equals: focusOffset must be the offset passed to extend() expected 9 but got 10
-PASS extend() with range 18 [document.head, 1, document.head, 1] and point 6 [paras[0].firstChild, 10] 
+FAIL extend() with range 18 [document.head, 1, document.head, 1] and point 1 [paras[0].firstChild, 0] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Element node <head><title>Selection extend() tests</title>
+<meta chars... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
+"
+FAIL extend() with range 18 [document.head, 1, document.head, 1] and point 2 [paras[0].firstChild, 1] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Element node <head><title>Selection extend() tests</title>
+<meta chars... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
+"
+FAIL extend() with range 18 [document.head, 1, document.head, 1] and point 3 [paras[0].firstChild, 2] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Element node <head><title>Selection extend() tests</title>
+<meta chars... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
+"
+FAIL extend() with range 18 [document.head, 1, document.head, 1] and point 4 [paras[0].firstChild, 8] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Element node <head><title>Selection extend() tests</title>
+<meta chars... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
+"
+FAIL extend() with range 18 [document.head, 1, document.head, 1] and point 5 [paras[0].firstChild, 9] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Element node <head><title>Selection extend() tests</title>
+<meta chars... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
+"
+FAIL extend() with range 18 [document.head, 1, document.head, 1] and point 6 [paras[0].firstChild, 10] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Element node <head><title>Selection extend() tests</title>
+<meta chars... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
+"
 PASS extend() with range 18 [document.head, 1, document.head, 1] and point 7 [paras[0].firstChild, 65535] 
 PASS extend() with range 18 [document.head, 1, document.head, 1] and point 8 [paras[1].firstChild, -1] 
-FAIL extend() with range 18 [document.head, 1, document.head, 1] and point 9 [paras[1].firstChild, 0] assert_equals: focusNode must be the node passed to extend() expected Text node "Ijklmnop
-" but got Element node <p id="c">Qrstuvwx</p>
-FAIL extend() with range 18 [document.head, 1, document.head, 1] and point 10 [paras[1].firstChild, 1] assert_equals: focusNode must be the node passed to extend() expected Text node "Ijklmnop
-" but got Element node <p id="c">Qrstuvwx</p>
-FAIL extend() with range 18 [document.head, 1, document.head, 1] and point 11 [paras[1].firstChild, 2] assert_equals: focusNode must be the node passed to extend() expected Text node "Ijklmnop
-" but got Element node <p id="c">Qrstuvwx</p>
-FAIL extend() with range 18 [document.head, 1, document.head, 1] and point 12 [paras[1].firstChild, 8] assert_equals: focusNode must be the node passed to extend() expected Text node "Ijklmnop
-" but got Element node <p id="c">Qrstuvwx</p>
-FAIL extend() with range 18 [document.head, 1, document.head, 1] and point 13 [paras[1].firstChild, 9] assert_equals: focusNode must be the node passed to extend() expected Text node "Ijklmnop
-" but got Element node <p id="c">Qrstuvwx</p>
-PASS extend() with range 18 [document.head, 1, document.head, 1] and point 14 [paras[1].firstChild, 10] 
-PASS extend() with range 18 [document.head, 1, document.head, 1] and point 15 [paras[1].firstChild, 65535] 
-FAIL extend() with range 18 [document.head, 1, document.head, 1] and point 16 [detachedPara1.firstChild, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Opqrstuv" but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
-FAIL extend() with range 18 [document.head, 1, document.head, 1] and point 17 [detachedPara1.firstChild, 1] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Opqrstuv" but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
+FAIL extend() with range 18 [document.head, 1, document.head, 1] and point 9 [paras[1].firstChild, 0] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Element node <head><title>Selection extend() tests</title>
+<meta chars... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() with range 18 [document.head, 1, document.head, 1] and point 18 [detachedPara1.firstChild, 8] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Opqrstuv" but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
+FAIL extend() with range 18 [document.head, 1, document.head, 1] and point 10 [paras[1].firstChild, 1] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Element node <head><title>Selection extend() tests</title>
+<meta chars... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-PASS extend() with range 18 [document.head, 1, document.head, 1] and point 19 [detachedPara1.firstChild, 9] 
-FAIL extend() with range 18 [document.head, 1, document.head, 1] and point 20 [foreignPara1.firstChild, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Efghijkl" but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
+FAIL extend() with range 18 [document.head, 1, document.head, 1] and point 11 [paras[1].firstChild, 2] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Element node <head><title>Selection extend() tests</title>
+<meta chars... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() with range 18 [document.head, 1, document.head, 1] and point 21 [foreignPara1.firstChild, 1] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Efghijkl" but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
+FAIL extend() with range 18 [document.head, 1, document.head, 1] and point 12 [paras[1].firstChild, 8] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Element node <head><title>Selection extend() tests</title>
+<meta chars... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() with range 18 [document.head, 1, document.head, 1] and point 22 [foreignPara1.firstChild, 8] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Efghijkl" but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
+FAIL extend() with range 18 [document.head, 1, document.head, 1] and point 13 [paras[1].firstChild, 9] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Element node <head><title>Selection extend() tests</title>
+<meta chars... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
+PASS extend() with range 18 [document.head, 1, document.head, 1] and point 14 [paras[1].firstChild, 10] 
+PASS extend() with range 18 [document.head, 1, document.head, 1] and point 15 [paras[1].firstChild, 65535] 
+FAIL extend() with range 18 [document.head, 1, document.head, 1] and point 16 [detachedPara1.firstChild, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Opqrstuv" but got Element node <head><title>Selection extend() tests</title>
+<meta chars...
+FAIL extend() with range 18 [document.head, 1, document.head, 1] and point 17 [detachedPara1.firstChild, 1] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Opqrstuv" but got Element node <head><title>Selection extend() tests</title>
+<meta chars...
+FAIL extend() with range 18 [document.head, 1, document.head, 1] and point 18 [detachedPara1.firstChild, 8] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Opqrstuv" but got Element node <head><title>Selection extend() tests</title>
+<meta chars...
+PASS extend() with range 18 [document.head, 1, document.head, 1] and point 19 [detachedPara1.firstChild, 9] 
+FAIL extend() with range 18 [document.head, 1, document.head, 1] and point 20 [foreignPara1.firstChild, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Efghijkl" but got Element node <head><title>Selection extend() tests</title>
+<meta chars...
+FAIL extend() with range 18 [document.head, 1, document.head, 1] and point 21 [foreignPara1.firstChild, 1] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Efghijkl" but got Element node <head><title>Selection extend() tests</title>
+<meta chars...
+FAIL extend() with range 18 [document.head, 1, document.head, 1] and point 22 [foreignPara1.firstChild, 8] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Efghijkl" but got Element node <head><title>Selection extend() tests</title>
+<meta chars...
 PASS extend() with range 18 [document.head, 1, document.head, 1] and point 23 [foreignPara1.firstChild, 9] 
 PASS extend() with range 18 [document.head, 1, document.head, 1] and point 24 [document.documentElement, -1] 
-FAIL extend() with range 18 [document.head, 1, document.head, 1] and point 25 [document.documentElement, 0] assert_equals: focusNode must be the node passed to extend() expected Element node <html><head><title>Selection extend() tests</title>
-<meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
+FAIL extend() with range 18 [document.head, 1, document.head, 1] and point 25 [document.documentElement, 0] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Element node <head><title>Selection extend() tests</title>
+<meta chars... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() with range 18 [document.head, 1, document.head, 1] and point 26 [document.documentElement, 1] assert_equals: focusNode must be the node passed to extend() expected Element node <html><head><title>Selection extend() tests</title>
-<meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
+FAIL extend() with range 18 [document.head, 1, document.head, 1] and point 26 [document.documentElement, 1] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Element node <head><title>Selection extend() tests</title>
+<meta chars... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() with range 18 [document.head, 1, document.head, 1] and point 27 [document.documentElement, 2] assert_equals: focusNode must be the node passed to extend() expected Element node <html><head><title>Selection extend() tests</title>
-<meta... but got Text node "Qrstuvwx"
-PASS extend() with range 18 [document.head, 1, document.head, 1] and point 28 [document.documentElement, 7] 
-FAIL extend() with range 18 [document.head, 1, document.head, 1] and point 29 [document.head, 1] assert_equals: focusNode must be the node passed to extend() expected Element node <head><title>Selection extend() tests</title>
+FAIL extend() with range 18 [document.head, 1, document.head, 1] and point 27 [document.documentElement, 2] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Element node <head><title>Selection extend() tests</title>
 <meta chars... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() with range 18 [document.head, 1, document.head, 1] and point 30 [document.body, 3] assert_equals: focusNode must be the node passed to extend() expected Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
-</p><p id... but got Text node "Qrstuvwx"
-FAIL extend() with range 18 [document.head, 1, document.head, 1] and point 31 [foreignDoc.documentElement, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Element node <html><head><title></title></head><body><p>Efghijkl</p><p... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
+PASS extend() with range 18 [document.head, 1, document.head, 1] and point 28 [document.documentElement, 7] 
+FAIL extend() with range 18 [document.head, 1, document.head, 1] and point 29 [document.head, 1] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Element node <head><title>Selection extend() tests</title>
+<meta chars... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() with range 18 [document.head, 1, document.head, 1] and point 32 [foreignDoc.documentElement, 1] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Element node <html><head><title></title></head><body><p>Efghijkl</p><p... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
+FAIL extend() with range 18 [document.head, 1, document.head, 1] and point 30 [document.body, 3] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Element node <head><title>Selection extend() tests</title>
+<meta chars... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() with range 18 [document.head, 1, document.head, 1] and point 33 [foreignDoc.head, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Element node <head><title></title></head> but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
+FAIL extend() with range 18 [document.head, 1, document.head, 1] and point 31 [foreignDoc.documentElement, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Element node <html><head><title></title></head><body><p>Efghijkl</p><p... but got Element node <head><title>Selection extend() tests</title>
+<meta chars...
+FAIL extend() with range 18 [document.head, 1, document.head, 1] and point 32 [foreignDoc.documentElement, 1] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Element node <html><head><title></title></head><body><p>Efghijkl</p><p... but got Element node <head><title>Selection extend() tests</title>
+<meta chars...
+FAIL extend() with range 18 [document.head, 1, document.head, 1] and point 33 [foreignDoc.head, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Element node <head><title></title></head> but got Element node <head><title>Selection extend() tests</title>
+<meta chars...
+FAIL extend() with range 18 [document.head, 1, document.head, 1] and point 34 [foreignDoc.body, 1] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Element node <body><p>Efghijkl</p><p>Mnopqrst</p>I admit that I harbor... but got Element node <head><title>Selection extend() tests</title>
+<meta chars...
+FAIL extend() with range 18 [document.head, 1, document.head, 1] and point 35 [paras[0], 0] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Element node <head><title>Selection extend() tests</title>
+<meta chars... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() with range 18 [document.head, 1, document.head, 1] and point 34 [foreignDoc.body, 1] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Element node <body><p>Efghijkl</p><p>Mnopqrst</p>I admit that I harbor... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
+FAIL extend() with range 18 [document.head, 1, document.head, 1] and point 36 [paras[0], 1] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Element node <head><title>Selection extend() tests</title>
+<meta chars... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() with range 18 [document.head, 1, document.head, 1] and point 35 [paras[0], 0] assert_equals: focusNode must be the node passed to extend() expected Element node <p id="a">Äb̈c̈d̈ëf̈g̈ḧ
-</p> but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
+PASS extend() with range 18 [document.head, 1, document.head, 1] and point 37 [paras[0], 2] 
+FAIL extend() with range 18 [document.head, 1, document.head, 1] and point 38 [paras[1], 0] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Element node <head><title>Selection extend() tests</title>
+<meta chars... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() with range 18 [document.head, 1, document.head, 1] and point 36 [paras[0], 1] assert_equals: focusNode must be the node passed to extend() expected Element node <p id="a">Äb̈c̈d̈ëf̈g̈ḧ
-</p> but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
+FAIL extend() with range 18 [document.head, 1, document.head, 1] and point 39 [paras[1], 1] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Element node <head><title>Selection extend() tests</title>
+<meta chars... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-PASS extend() with range 18 [document.head, 1, document.head, 1] and point 37 [paras[0], 2] 
-FAIL extend() with range 18 [document.head, 1, document.head, 1] and point 38 [paras[1], 0] assert_equals: focusNode must be the node passed to extend() expected Element node <p id="b" style="display:none">Ijklmnop
-</p> but got Element node <p id="c">Qrstuvwx</p>
-FAIL extend() with range 18 [document.head, 1, document.head, 1] and point 39 [paras[1], 1] assert_equals: focusNode must be the node passed to extend() expected Element node <p id="b" style="display:none">Ijklmnop
-</p> but got Element node <p id="c">Qrstuvwx</p>
 PASS extend() with range 18 [document.head, 1, document.head, 1] and point 40 [paras[1], 2] 
-FAIL extend() with range 18 [document.head, 1, document.head, 1] and point 41 [detachedPara1, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Element node <p>Opqrstuv</p> but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
-FAIL extend() with range 18 [document.head, 1, document.head, 1] and point 42 [detachedPara1, 1] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Element node <p>Opqrstuv</p> but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
+FAIL extend() with range 18 [document.head, 1, document.head, 1] and point 41 [detachedPara1, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Element node <p>Opqrstuv</p> but got Element node <head><title>Selection extend() tests</title>
+<meta chars...
+FAIL extend() with range 18 [document.head, 1, document.head, 1] and point 42 [detachedPara1, 1] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Element node <p>Opqrstuv</p> but got Element node <head><title>Selection extend() tests</title>
+<meta chars...
+FAIL extend() with range 18 [document.head, 1, document.head, 1] and point 43 [testDiv, 0] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Element node <head><title>Selection extend() tests</title>
+<meta chars... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() with range 18 [document.head, 1, document.head, 1] and point 43 [testDiv, 0] assert_equals: focusNode must be the node passed to extend() expected Element node <div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
-</p><p id="b" s... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
+FAIL extend() with range 18 [document.head, 1, document.head, 1] and point 44 [testDiv, 3] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Element node <head><title>Selection extend() tests</title>
+<meta chars... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() with range 18 [document.head, 1, document.head, 1] and point 44 [testDiv, 3] assert_equals: focusNode must be the node passed to extend() expected Element node <div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
-</p><p id="b" s... but got Text node "Qrstuvwx"
 PASS extend() with range 18 [document.head, 1, document.head, 1] and point 45 [document, -1] 
-FAIL extend() with range 18 [document.head, 1, document.head, 1] and point 46 [document, 0] assert_equals: focusNode must be the node passed to extend() expected Document node with 2 children but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
+FAIL extend() with range 18 [document.head, 1, document.head, 1] and point 46 [document, 0] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Element node <head><title>Selection extend() tests</title>
+<meta chars... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
+"
+FAIL extend() with range 18 [document.head, 1, document.head, 1] and point 47 [document, 1] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Element node <head><title>Selection extend() tests</title>
+<meta chars... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() with range 18 [document.head, 1, document.head, 1] and point 47 [document, 1] assert_equals: focusNode must be the node passed to extend() expected Document node with 2 children but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
+FAIL extend() with range 18 [document.head, 1, document.head, 1] and point 48 [document, 2] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Element node <head><title>Selection extend() tests</title>
+<meta chars... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() with range 18 [document.head, 1, document.head, 1] and point 48 [document, 2] assert_equals: focusNode must be the node passed to extend() expected Document node with 2 children but got Text node "Qrstuvwx"
 PASS extend() with range 18 [document.head, 1, document.head, 1] and point 49 [document, 3] 
 PASS extend() with range 18 [document.head, 1, document.head, 1] and point 50 [comment, -1] 
-FAIL extend() with range 18 [document.head, 1, document.head, 1] and point 51 [comment, 0] assert_equals: focusNode must be the node passed to extend() expected Comment node <!--Alphabet soup?--> but got Text node "Qrstuvwx"
-FAIL extend() with range 18 [document.head, 1, document.head, 1] and point 52 [comment, 4] assert_equals: focusNode must be the node passed to extend() expected Comment node <!--Alphabet soup?--> but got Text node "Qrstuvwx"
-PASS extend() with range 18 [document.head, 1, document.head, 1] and point 53 [comment, 96] 
-FAIL extend() with range 18 [document.head, 1, document.head, 1] and point 54 [foreignDoc, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Document node with 3 children but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
-FAIL extend() with range 18 [document.head, 1, document.head, 1] and point 55 [foreignDoc, 1] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Document node with 3 children but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
-FAIL extend() with range 18 [document.head, 1, document.head, 1] and point 56 [foreignComment, 2] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Comment node <!--"Commenter" and "commentator" mean different things.  I'v...--> but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
-FAIL extend() with range 18 [document.head, 1, document.head, 1] and point 57 [foreignTextNode, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "I admit that I harbor doubts about whether we really need..." but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
+FAIL extend() with range 18 [document.head, 1, document.head, 1] and point 51 [comment, 0] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Element node <head><title>Selection extend() tests</title>
+<meta chars... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() with range 18 [document.head, 1, document.head, 1] and point 58 [foreignTextNode, 36] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "I admit that I harbor doubts about whether we really need..." but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
+FAIL extend() with range 18 [document.head, 1, document.head, 1] and point 52 [comment, 4] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Element node <head><title>Selection extend() tests</title>
+<meta chars... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
+PASS extend() with range 18 [document.head, 1, document.head, 1] and point 53 [comment, 96] 
+FAIL extend() with range 18 [document.head, 1, document.head, 1] and point 54 [foreignDoc, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Document node with 3 children but got Element node <head><title>Selection extend() tests</title>
+<meta chars...
+FAIL extend() with range 18 [document.head, 1, document.head, 1] and point 55 [foreignDoc, 1] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Document node with 3 children but got Element node <head><title>Selection extend() tests</title>
+<meta chars...
+FAIL extend() with range 18 [document.head, 1, document.head, 1] and point 56 [foreignComment, 2] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Comment node <!--"Commenter" and "commentator" mean different things.  I'v...--> but got Element node <head><title>Selection extend() tests</title>
+<meta chars...
+FAIL extend() with range 18 [document.head, 1, document.head, 1] and point 57 [foreignTextNode, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "I admit that I harbor doubts about whether we really need..." but got Element node <head><title>Selection extend() tests</title>
+<meta chars...
+FAIL extend() with range 18 [document.head, 1, document.head, 1] and point 58 [foreignTextNode, 36] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "I admit that I harbor doubts about whether we really need..." but got Element node <head><title>Selection extend() tests</title>
+<meta chars...
 PASS extend() with range 18 [document.head, 1, document.head, 1] and point 59 [xmlDoc, -1] 
-FAIL extend() with range 18 [document.head, 1, document.head, 1] and point 60 [xmlDoc, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Document node with 4 children but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
-FAIL extend() with range 18 [document.head, 1, document.head, 1] and point 61 [xmlDoc, 1] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Document node with 4 children but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() with range 18 [document.head, 1, document.head, 1] and point 60 [xmlDoc, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Document node with 4 children but got Element node <head><title>Selection extend() tests</title>
+<meta chars...
+FAIL extend() with range 18 [document.head, 1, document.head, 1] and point 61 [xmlDoc, 1] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Document node with 4 children but got Element node <head><title>Selection extend() tests</title>
+<meta chars...
 PASS extend() with range 18 [document.head, 1, document.head, 1] and point 62 [xmlDoc, 5] 
-FAIL extend() with range 18 [document.head, 1, document.head, 1] and point 63 [xmlComment, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Comment node <!--I maliciously created a comment that will break incautiou...--> but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
-FAIL extend() with range 18 [document.head, 1, document.head, 1] and point 64 [xmlComment, 4] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Comment node <!--I maliciously created a comment that will break incautiou...--> but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
-FAIL extend() with range 18 [document.head, 1, document.head, 1] and point 65 [processingInstruction, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected ProcessingInstruction node with target "somePI" and data "Did you know that \":syn sync fromstart\" is very useful wh..." but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
-FAIL extend() with range 18 [document.head, 1, document.head, 1] and point 66 [processingInstruction, 5] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected ProcessingInstruction node with target "somePI" and data "Did you know that \":syn sync fromstart\" is very useful wh..." but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
-FAIL extend() with range 18 [document.head, 1, document.head, 1] and point 67 [processingInstruction, 9] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected ProcessingInstruction node with target "somePI" and data "Did you know that \":syn sync fromstart\" is very useful wh..." but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
-FAIL extend() with range 18 [document.head, 1, document.head, 1] and point 68 [detachedTextNode, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Uvwxyzab" but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
-FAIL extend() with range 18 [document.head, 1, document.head, 1] and point 69 [detachedTextNode, 8] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Uvwxyzab" but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
-FAIL extend() with range 18 [document.head, 1, document.head, 1] and point 70 [detachedForeignTextNode, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Cdefghij" but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
-FAIL extend() with range 18 [document.head, 1, document.head, 1] and point 71 [detachedForeignTextNode, 8] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Cdefghij" but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
-FAIL extend() with range 18 [document.head, 1, document.head, 1] and point 72 [detachedXmlTextNode, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Klmnopqr" but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
-FAIL extend() with range 18 [document.head, 1, document.head, 1] and point 73 [detachedXmlTextNode, 8] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Klmnopqr" but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
-FAIL extend() with range 18 [document.head, 1, document.head, 1] and point 74 [detachedProcessingInstruction, 12] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected ProcessingInstruction node with target "whippoorwill" and data "chirp chirp chirp" but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
-FAIL extend() with range 18 [document.head, 1, document.head, 1] and point 75 [detachedComment, 3] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Comment node <!--Stuvwxyz--> but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
-FAIL extend() with range 18 [document.head, 1, document.head, 1] and point 76 [detachedComment, 5] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Comment node <!--Stuvwxyz--> but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
-FAIL extend() with range 18 [document.head, 1, document.head, 1] and point 77 [detachedForeignComment, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Comment node <!--אריה יהודה--> but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
-FAIL extend() with range 18 [document.head, 1, document.head, 1] and point 78 [detachedForeignComment, 4] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Comment node <!--אריה יהודה--> but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
-FAIL extend() with range 18 [document.head, 1, document.head, 1] and point 79 [detachedXmlComment, 2] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Comment node <!--בן חיים אליעזר--> but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
-FAIL extend() with range 18 [document.head, 1, document.head, 1] and point 80 [docfrag, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected DocumentFragment node with 0 children but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
-FAIL extend() with range 18 [document.head, 1, document.head, 1] and point 81 [foreignDocfrag, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected DocumentFragment node with 0 children but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
-FAIL extend() with range 18 [document.head, 1, document.head, 1] and point 82 [xmlDocfrag, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected DocumentFragment node with 0 children but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() with range 18 [document.head, 1, document.head, 1] and point 63 [xmlComment, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Comment node <!--I maliciously created a comment that will break incautiou...--> but got Element node <head><title>Selection extend() tests</title>
+<meta chars...
+FAIL extend() with range 18 [document.head, 1, document.head, 1] and point 64 [xmlComment, 4] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Comment node <!--I maliciously created a comment that will break incautiou...--> but got Element node <head><title>Selection extend() tests</title>
+<meta chars...
+FAIL extend() with range 18 [document.head, 1, document.head, 1] and point 65 [processingInstruction, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected ProcessingInstruction node with target "somePI" and data "Did you know that \":syn sync fromstart\" is very useful wh..." but got Element node <head><title>Selection extend() tests</title>
+<meta chars...
+FAIL extend() with range 18 [document.head, 1, document.head, 1] and point 66 [processingInstruction, 5] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected ProcessingInstruction node with target "somePI" and data "Did you know that \":syn sync fromstart\" is very useful wh..." but got Element node <head><title>Selection extend() tests</title>
+<meta chars...
+FAIL extend() with range 18 [document.head, 1, document.head, 1] and point 67 [processingInstruction, 9] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected ProcessingInstruction node with target "somePI" and data "Did you know that \":syn sync fromstart\" is very useful wh..." but got Element node <head><title>Selection extend() tests</title>
+<meta chars...
+FAIL extend() with range 18 [document.head, 1, document.head, 1] and point 68 [detachedTextNode, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Uvwxyzab" but got Element node <head><title>Selection extend() tests</title>
+<meta chars...
+FAIL extend() with range 18 [document.head, 1, document.head, 1] and point 69 [detachedTextNode, 8] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Uvwxyzab" but got Element node <head><title>Selection extend() tests</title>
+<meta chars...
+FAIL extend() with range 18 [document.head, 1, document.head, 1] and point 70 [detachedForeignTextNode, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Cdefghij" but got Element node <head><title>Selection extend() tests</title>
+<meta chars...
+FAIL extend() with range 18 [document.head, 1, document.head, 1] and point 71 [detachedForeignTextNode, 8] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Cdefghij" but got Element node <head><title>Selection extend() tests</title>
+<meta chars...
+FAIL extend() with range 18 [document.head, 1, document.head, 1] and point 72 [detachedXmlTextNode, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Klmnopqr" but got Element node <head><title>Selection extend() tests</title>
+<meta chars...
+FAIL extend() with range 18 [document.head, 1, document.head, 1] and point 73 [detachedXmlTextNode, 8] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Klmnopqr" but got Element node <head><title>Selection extend() tests</title>
+<meta chars...
+FAIL extend() with range 18 [document.head, 1, document.head, 1] and point 74 [detachedProcessingInstruction, 12] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected ProcessingInstruction node with target "whippoorwill" and data "chirp chirp chirp" but got Element node <head><title>Selection extend() tests</title>
+<meta chars...
+FAIL extend() with range 18 [document.head, 1, document.head, 1] and point 75 [detachedComment, 3] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Comment node <!--Stuvwxyz--> but got Element node <head><title>Selection extend() tests</title>
+<meta chars...
+FAIL extend() with range 18 [document.head, 1, document.head, 1] and point 76 [detachedComment, 5] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Comment node <!--Stuvwxyz--> but got Element node <head><title>Selection extend() tests</title>
+<meta chars...
+FAIL extend() with range 18 [document.head, 1, document.head, 1] and point 77 [detachedForeignComment, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Comment node <!--אריה יהודה--> but got Element node <head><title>Selection extend() tests</title>
+<meta chars...
+FAIL extend() with range 18 [document.head, 1, document.head, 1] and point 78 [detachedForeignComment, 4] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Comment node <!--אריה יהודה--> but got Element node <head><title>Selection extend() tests</title>
+<meta chars...
+FAIL extend() with range 18 [document.head, 1, document.head, 1] and point 79 [detachedXmlComment, 2] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Comment node <!--בן חיים אליעזר--> but got Element node <head><title>Selection extend() tests</title>
+<meta chars...
+FAIL extend() with range 18 [document.head, 1, document.head, 1] and point 80 [docfrag, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected DocumentFragment node with 0 children but got Element node <head><title>Selection extend() tests</title>
+<meta chars...
+FAIL extend() with range 18 [document.head, 1, document.head, 1] and point 81 [foreignDocfrag, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected DocumentFragment node with 0 children but got Element node <head><title>Selection extend() tests</title>
+<meta chars...
+FAIL extend() with range 18 [document.head, 1, document.head, 1] and point 82 [xmlDocfrag, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected DocumentFragment node with 0 children but got Element node <head><title>Selection extend() tests</title>
+<meta chars...
 PASS extend() with range 18 [document.head, 1, document.head, 1] and point 83 [doctype, 0] 
 FAIL extend() with range 18 [document.head, 1, document.head, 1] and point 84 [doctype, -17] assert_throws: extend() to a doctype must throw InvalidNodeTypeError function "function () {
             selection.extend(node, offset);
@@ -4508,27 +4852,39 @@ PASS extend() forwards with range 19 [document.body, 0, document.body, 1] and po
 FAIL extend() backwards with range 19 [document.body, 0, document.body, 1] and point 0 [paras[0].firstChild, -1] assert_equals: Sanity check: startContainer must be correct expected Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
 </p><p id... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-PASS extend() forwards with range 19 [document.body, 0, document.body, 1] and point 1 [paras[0].firstChild, 0] 
+FAIL extend() forwards with range 19 [document.body, 0, document.body, 1] and point 1 [paras[0].firstChild, 0] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
+</p><p id... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
+"
 FAIL extend() backwards with range 19 [document.body, 0, document.body, 1] and point 1 [paras[0].firstChild, 0] assert_equals: Sanity check: startContainer must be correct expected Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
 </p><p id... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 19 [document.body, 0, document.body, 1] and point 2 [paras[0].firstChild, 1] assert_equals: focusOffset must be the offset passed to extend() expected 1 but got 2
+FAIL extend() forwards with range 19 [document.body, 0, document.body, 1] and point 2 [paras[0].firstChild, 1] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
+</p><p id... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
+"
 FAIL extend() backwards with range 19 [document.body, 0, document.body, 1] and point 2 [paras[0].firstChild, 1] assert_equals: Sanity check: startContainer must be correct expected Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
 </p><p id... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-PASS extend() forwards with range 19 [document.body, 0, document.body, 1] and point 3 [paras[0].firstChild, 2] 
+FAIL extend() forwards with range 19 [document.body, 0, document.body, 1] and point 3 [paras[0].firstChild, 2] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
+</p><p id... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
+"
 FAIL extend() backwards with range 19 [document.body, 0, document.body, 1] and point 3 [paras[0].firstChild, 2] assert_equals: Sanity check: startContainer must be correct expected Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
 </p><p id... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-PASS extend() forwards with range 19 [document.body, 0, document.body, 1] and point 4 [paras[0].firstChild, 8] 
+FAIL extend() forwards with range 19 [document.body, 0, document.body, 1] and point 4 [paras[0].firstChild, 8] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
+</p><p id... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
+"
 FAIL extend() backwards with range 19 [document.body, 0, document.body, 1] and point 4 [paras[0].firstChild, 8] assert_equals: Sanity check: startContainer must be correct expected Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
 </p><p id... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 19 [document.body, 0, document.body, 1] and point 5 [paras[0].firstChild, 9] assert_equals: focusOffset must be the offset passed to extend() expected 9 but got 10
+FAIL extend() forwards with range 19 [document.body, 0, document.body, 1] and point 5 [paras[0].firstChild, 9] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
+</p><p id... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
+"
 FAIL extend() backwards with range 19 [document.body, 0, document.body, 1] and point 5 [paras[0].firstChild, 9] assert_equals: Sanity check: startContainer must be correct expected Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
 </p><p id... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-PASS extend() forwards with range 19 [document.body, 0, document.body, 1] and point 6 [paras[0].firstChild, 10] 
+FAIL extend() forwards with range 19 [document.body, 0, document.body, 1] and point 6 [paras[0].firstChild, 10] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
+</p><p id... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
+"
 FAIL extend() backwards with range 19 [document.body, 0, document.body, 1] and point 6 [paras[0].firstChild, 10] assert_equals: Sanity check: startContainer must be correct expected Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
 </p><p id... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
@@ -4540,28 +4896,33 @@ PASS extend() forwards with range 19 [document.body, 0, document.body, 1] and po
 FAIL extend() backwards with range 19 [document.body, 0, document.body, 1] and point 8 [paras[1].firstChild, -1] assert_equals: Sanity check: startContainer must be correct expected Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
 </p><p id... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 19 [document.body, 0, document.body, 1] and point 9 [paras[1].firstChild, 0] assert_equals: focusNode must be the node passed to extend() expected Text node "Ijklmnop
-" but got Element node <p id="c">Qrstuvwx</p>
+FAIL extend() forwards with range 19 [document.body, 0, document.body, 1] and point 9 [paras[1].firstChild, 0] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
+</p><p id... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
+"
 FAIL extend() backwards with range 19 [document.body, 0, document.body, 1] and point 9 [paras[1].firstChild, 0] assert_equals: Sanity check: startContainer must be correct expected Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
 </p><p id... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 19 [document.body, 0, document.body, 1] and point 10 [paras[1].firstChild, 1] assert_equals: focusNode must be the node passed to extend() expected Text node "Ijklmnop
-" but got Element node <p id="c">Qrstuvwx</p>
+FAIL extend() forwards with range 19 [document.body, 0, document.body, 1] and point 10 [paras[1].firstChild, 1] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
+</p><p id... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
+"
 FAIL extend() backwards with range 19 [document.body, 0, document.body, 1] and point 10 [paras[1].firstChild, 1] assert_equals: Sanity check: startContainer must be correct expected Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
 </p><p id... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 19 [document.body, 0, document.body, 1] and point 11 [paras[1].firstChild, 2] assert_equals: focusNode must be the node passed to extend() expected Text node "Ijklmnop
-" but got Element node <p id="c">Qrstuvwx</p>
+FAIL extend() forwards with range 19 [document.body, 0, document.body, 1] and point 11 [paras[1].firstChild, 2] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
+</p><p id... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
+"
 FAIL extend() backwards with range 19 [document.body, 0, document.body, 1] and point 11 [paras[1].firstChild, 2] assert_equals: Sanity check: startContainer must be correct expected Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
 </p><p id... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 19 [document.body, 0, document.body, 1] and point 12 [paras[1].firstChild, 8] assert_equals: focusNode must be the node passed to extend() expected Text node "Ijklmnop
-" but got Element node <p id="c">Qrstuvwx</p>
+FAIL extend() forwards with range 19 [document.body, 0, document.body, 1] and point 12 [paras[1].firstChild, 8] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
+</p><p id... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
+"
 FAIL extend() backwards with range 19 [document.body, 0, document.body, 1] and point 12 [paras[1].firstChild, 8] assert_equals: Sanity check: startContainer must be correct expected Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
 </p><p id... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 19 [document.body, 0, document.body, 1] and point 13 [paras[1].firstChild, 9] assert_equals: focusNode must be the node passed to extend() expected Text node "Ijklmnop
-" but got Element node <p id="c">Qrstuvwx</p>
+FAIL extend() forwards with range 19 [document.body, 0, document.body, 1] and point 13 [paras[1].firstChild, 9] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
+</p><p id... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
+"
 FAIL extend() backwards with range 19 [document.body, 0, document.body, 1] and point 13 [paras[1].firstChild, 9] assert_equals: Sanity check: startContainer must be correct expected Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
 </p><p id... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
@@ -4573,18 +4934,18 @@ PASS extend() forwards with range 19 [document.body, 0, document.body, 1] and po
 FAIL extend() backwards with range 19 [document.body, 0, document.body, 1] and point 15 [paras[1].firstChild, 65535] assert_equals: Sanity check: startContainer must be correct expected Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
 </p><p id... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 19 [document.body, 0, document.body, 1] and point 16 [detachedPara1.firstChild, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Opqrstuv" but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() forwards with range 19 [document.body, 0, document.body, 1] and point 16 [detachedPara1.firstChild, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Opqrstuv" but got Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
+</p><p id...
 FAIL extend() backwards with range 19 [document.body, 0, document.body, 1] and point 16 [detachedPara1.firstChild, 0] assert_equals: Sanity check: startContainer must be correct expected Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
 </p><p id... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 19 [document.body, 0, document.body, 1] and point 17 [detachedPara1.firstChild, 1] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Opqrstuv" but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() forwards with range 19 [document.body, 0, document.body, 1] and point 17 [detachedPara1.firstChild, 1] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Opqrstuv" but got Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
+</p><p id...
 FAIL extend() backwards with range 19 [document.body, 0, document.body, 1] and point 17 [detachedPara1.firstChild, 1] assert_equals: Sanity check: startContainer must be correct expected Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
 </p><p id... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 19 [document.body, 0, document.body, 1] and point 18 [detachedPara1.firstChild, 8] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Opqrstuv" but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() forwards with range 19 [document.body, 0, document.body, 1] and point 18 [detachedPara1.firstChild, 8] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Opqrstuv" but got Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
+</p><p id...
 FAIL extend() backwards with range 19 [document.body, 0, document.body, 1] and point 18 [detachedPara1.firstChild, 8] assert_equals: Sanity check: startContainer must be correct expected Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
 </p><p id... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
@@ -4592,18 +4953,18 @@ PASS extend() forwards with range 19 [document.body, 0, document.body, 1] and po
 FAIL extend() backwards with range 19 [document.body, 0, document.body, 1] and point 19 [detachedPara1.firstChild, 9] assert_equals: Sanity check: startContainer must be correct expected Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
 </p><p id... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 19 [document.body, 0, document.body, 1] and point 20 [foreignPara1.firstChild, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Efghijkl" but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() forwards with range 19 [document.body, 0, document.body, 1] and point 20 [foreignPara1.firstChild, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Efghijkl" but got Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
+</p><p id...
 FAIL extend() backwards with range 19 [document.body, 0, document.body, 1] and point 20 [foreignPara1.firstChild, 0] assert_equals: Sanity check: startContainer must be correct expected Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
 </p><p id... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 19 [document.body, 0, document.body, 1] and point 21 [foreignPara1.firstChild, 1] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Efghijkl" but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() forwards with range 19 [document.body, 0, document.body, 1] and point 21 [foreignPara1.firstChild, 1] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Efghijkl" but got Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
+</p><p id...
 FAIL extend() backwards with range 19 [document.body, 0, document.body, 1] and point 21 [foreignPara1.firstChild, 1] assert_equals: Sanity check: startContainer must be correct expected Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
 </p><p id... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 19 [document.body, 0, document.body, 1] and point 22 [foreignPara1.firstChild, 8] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Efghijkl" but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() forwards with range 19 [document.body, 0, document.body, 1] and point 22 [foreignPara1.firstChild, 8] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Efghijkl" but got Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
+</p><p id...
 FAIL extend() backwards with range 19 [document.body, 0, document.body, 1] and point 22 [foreignPara1.firstChild, 8] assert_equals: Sanity check: startContainer must be correct expected Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
 </p><p id... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
@@ -4615,20 +4976,21 @@ PASS extend() forwards with range 19 [document.body, 0, document.body, 1] and po
 FAIL extend() backwards with range 19 [document.body, 0, document.body, 1] and point 24 [document.documentElement, -1] assert_equals: Sanity check: startContainer must be correct expected Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
 </p><p id... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 19 [document.body, 0, document.body, 1] and point 25 [document.documentElement, 0] assert_equals: focusNode must be the node passed to extend() expected Element node <html><head><title>Selection extend() tests</title>
-<meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
+FAIL extend() forwards with range 19 [document.body, 0, document.body, 1] and point 25 [document.documentElement, 0] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
+</p><p id... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
 FAIL extend() backwards with range 19 [document.body, 0, document.body, 1] and point 25 [document.documentElement, 0] assert_equals: Sanity check: startContainer must be correct expected Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
 </p><p id... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 19 [document.body, 0, document.body, 1] and point 26 [document.documentElement, 1] assert_equals: focusNode must be the node passed to extend() expected Element node <html><head><title>Selection extend() tests</title>
-<meta... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
+FAIL extend() forwards with range 19 [document.body, 0, document.body, 1] and point 26 [document.documentElement, 1] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
+</p><p id... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
 FAIL extend() backwards with range 19 [document.body, 0, document.body, 1] and point 26 [document.documentElement, 1] assert_equals: Sanity check: startContainer must be correct expected Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
 </p><p id... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 19 [document.body, 0, document.body, 1] and point 27 [document.documentElement, 2] assert_equals: focusNode must be the node passed to extend() expected Element node <html><head><title>Selection extend() tests</title>
-<meta... but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 19 [document.body, 0, document.body, 1] and point 27 [document.documentElement, 2] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
+</p><p id... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
+"
 FAIL extend() backwards with range 19 [document.body, 0, document.body, 1] and point 27 [document.documentElement, 2] assert_equals: Sanity check: startContainer must be correct expected Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
 </p><p id... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
@@ -4636,45 +4998,46 @@ PASS extend() forwards with range 19 [document.body, 0, document.body, 1] and po
 FAIL extend() backwards with range 19 [document.body, 0, document.body, 1] and point 28 [document.documentElement, 7] assert_equals: Sanity check: startContainer must be correct expected Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
 </p><p id... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 19 [document.body, 0, document.body, 1] and point 29 [document.head, 1] assert_equals: focusNode must be the node passed to extend() expected Element node <head><title>Selection extend() tests</title>
-<meta chars... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
+FAIL extend() forwards with range 19 [document.body, 0, document.body, 1] and point 29 [document.head, 1] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
+</p><p id... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
 FAIL extend() backwards with range 19 [document.body, 0, document.body, 1] and point 29 [document.head, 1] assert_equals: Sanity check: startContainer must be correct expected Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
 </p><p id... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 19 [document.body, 0, document.body, 1] and point 30 [document.body, 3] assert_equals: focusNode must be the node passed to extend() expected Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
-</p><p id... but got Text node "Qrstuvwx"
-FAIL extend() backwards with range 19 [document.body, 0, document.body, 1] and point 30 [document.body, 3] assert_equals: Sanity check: startContainer must be correct expected Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
+FAIL extend() forwards with range 19 [document.body, 0, document.body, 1] and point 30 [document.body, 3] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
 </p><p id... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 19 [document.body, 0, document.body, 1] and point 31 [foreignDoc.documentElement, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Element node <html><head><title></title></head><body><p>Efghijkl</p><p... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
+FAIL extend() backwards with range 19 [document.body, 0, document.body, 1] and point 30 [document.body, 3] assert_equals: Sanity check: startContainer must be correct expected Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
+</p><p id... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
+FAIL extend() forwards with range 19 [document.body, 0, document.body, 1] and point 31 [foreignDoc.documentElement, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Element node <html><head><title></title></head><body><p>Efghijkl</p><p... but got Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
+</p><p id...
 FAIL extend() backwards with range 19 [document.body, 0, document.body, 1] and point 31 [foreignDoc.documentElement, 0] assert_equals: Sanity check: startContainer must be correct expected Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
 </p><p id... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 19 [document.body, 0, document.body, 1] and point 32 [foreignDoc.documentElement, 1] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Element node <html><head><title></title></head><body><p>Efghijkl</p><p... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() forwards with range 19 [document.body, 0, document.body, 1] and point 32 [foreignDoc.documentElement, 1] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Element node <html><head><title></title></head><body><p>Efghijkl</p><p... but got Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
+</p><p id...
 FAIL extend() backwards with range 19 [document.body, 0, document.body, 1] and point 32 [foreignDoc.documentElement, 1] assert_equals: Sanity check: startContainer must be correct expected Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
 </p><p id... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 19 [document.body, 0, document.body, 1] and point 33 [foreignDoc.head, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Element node <head><title></title></head> but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() forwards with range 19 [document.body, 0, document.body, 1] and point 33 [foreignDoc.head, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Element node <head><title></title></head> but got Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
+</p><p id...
 FAIL extend() backwards with range 19 [document.body, 0, document.body, 1] and point 33 [foreignDoc.head, 0] assert_equals: Sanity check: startContainer must be correct expected Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
 </p><p id... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 19 [document.body, 0, document.body, 1] and point 34 [foreignDoc.body, 1] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Element node <body><p>Efghijkl</p><p>Mnopqrst</p>I admit that I harbor... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() forwards with range 19 [document.body, 0, document.body, 1] and point 34 [foreignDoc.body, 1] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Element node <body><p>Efghijkl</p><p>Mnopqrst</p>I admit that I harbor... but got Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
+</p><p id...
 FAIL extend() backwards with range 19 [document.body, 0, document.body, 1] and point 34 [foreignDoc.body, 1] assert_equals: Sanity check: startContainer must be correct expected Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
 </p><p id... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 19 [document.body, 0, document.body, 1] and point 35 [paras[0], 0] assert_equals: focusNode must be the node passed to extend() expected Element node <p id="a">Äb̈c̈d̈ëf̈g̈ḧ
-</p> but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
+FAIL extend() forwards with range 19 [document.body, 0, document.body, 1] and point 35 [paras[0], 0] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
+</p><p id... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
 FAIL extend() backwards with range 19 [document.body, 0, document.body, 1] and point 35 [paras[0], 0] assert_equals: Sanity check: startContainer must be correct expected Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
 </p><p id... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 19 [document.body, 0, document.body, 1] and point 36 [paras[0], 1] assert_equals: focusNode must be the node passed to extend() expected Element node <p id="a">Äb̈c̈d̈ëf̈g̈ḧ
-</p> but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
+FAIL extend() forwards with range 19 [document.body, 0, document.body, 1] and point 36 [paras[0], 1] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
+</p><p id... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
 FAIL extend() backwards with range 19 [document.body, 0, document.body, 1] and point 36 [paras[0], 1] assert_equals: Sanity check: startContainer must be correct expected Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
 </p><p id... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
@@ -4683,13 +5046,15 @@ PASS extend() forwards with range 19 [document.body, 0, document.body, 1] and po
 FAIL extend() backwards with range 19 [document.body, 0, document.body, 1] and point 37 [paras[0], 2] assert_equals: Sanity check: startContainer must be correct expected Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
 </p><p id... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 19 [document.body, 0, document.body, 1] and point 38 [paras[1], 0] assert_equals: focusNode must be the node passed to extend() expected Element node <p id="b" style="display:none">Ijklmnop
-</p> but got Element node <p id="c">Qrstuvwx</p>
+FAIL extend() forwards with range 19 [document.body, 0, document.body, 1] and point 38 [paras[1], 0] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
+</p><p id... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
+"
 FAIL extend() backwards with range 19 [document.body, 0, document.body, 1] and point 38 [paras[1], 0] assert_equals: Sanity check: startContainer must be correct expected Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
 </p><p id... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 19 [document.body, 0, document.body, 1] and point 39 [paras[1], 1] assert_equals: focusNode must be the node passed to extend() expected Element node <p id="b" style="display:none">Ijklmnop
-</p> but got Element node <p id="c">Qrstuvwx</p>
+FAIL extend() forwards with range 19 [document.body, 0, document.body, 1] and point 39 [paras[1], 1] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
+</p><p id... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
+"
 FAIL extend() backwards with range 19 [document.body, 0, document.body, 1] and point 39 [paras[1], 1] assert_equals: Sanity check: startContainer must be correct expected Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
 </p><p id... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
@@ -4697,24 +5062,25 @@ PASS extend() forwards with range 19 [document.body, 0, document.body, 1] and po
 FAIL extend() backwards with range 19 [document.body, 0, document.body, 1] and point 40 [paras[1], 2] assert_equals: Sanity check: startContainer must be correct expected Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
 </p><p id... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 19 [document.body, 0, document.body, 1] and point 41 [detachedPara1, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Element node <p>Opqrstuv</p> but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() forwards with range 19 [document.body, 0, document.body, 1] and point 41 [detachedPara1, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Element node <p>Opqrstuv</p> but got Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
+</p><p id...
 FAIL extend() backwards with range 19 [document.body, 0, document.body, 1] and point 41 [detachedPara1, 0] assert_equals: Sanity check: startContainer must be correct expected Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
 </p><p id... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 19 [document.body, 0, document.body, 1] and point 42 [detachedPara1, 1] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Element node <p>Opqrstuv</p> but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() forwards with range 19 [document.body, 0, document.body, 1] and point 42 [detachedPara1, 1] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Element node <p>Opqrstuv</p> but got Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
+</p><p id...
 FAIL extend() backwards with range 19 [document.body, 0, document.body, 1] and point 42 [detachedPara1, 1] assert_equals: Sanity check: startContainer must be correct expected Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
 </p><p id... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 19 [document.body, 0, document.body, 1] and point 43 [testDiv, 0] assert_equals: focusNode must be the node passed to extend() expected Element node <div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
-</p><p id="b" s... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
+FAIL extend() forwards with range 19 [document.body, 0, document.body, 1] and point 43 [testDiv, 0] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
+</p><p id... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
 FAIL extend() backwards with range 19 [document.body, 0, document.body, 1] and point 43 [testDiv, 0] assert_equals: Sanity check: startContainer must be correct expected Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
 </p><p id... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 19 [document.body, 0, document.body, 1] and point 44 [testDiv, 3] assert_equals: focusNode must be the node passed to extend() expected Element node <div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
-</p><p id="b" s... but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 19 [document.body, 0, document.body, 1] and point 44 [testDiv, 3] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
+</p><p id... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
+"
 FAIL extend() backwards with range 19 [document.body, 0, document.body, 1] and point 44 [testDiv, 3] assert_equals: Sanity check: startContainer must be correct expected Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
 </p><p id... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
@@ -4722,17 +5088,21 @@ PASS extend() forwards with range 19 [document.body, 0, document.body, 1] and po
 FAIL extend() backwards with range 19 [document.body, 0, document.body, 1] and point 45 [document, -1] assert_equals: Sanity check: startContainer must be correct expected Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
 </p><p id... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 19 [document.body, 0, document.body, 1] and point 46 [document, 0] assert_equals: focusNode must be the node passed to extend() expected Document node with 2 children but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
+FAIL extend() forwards with range 19 [document.body, 0, document.body, 1] and point 46 [document, 0] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
+</p><p id... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
 FAIL extend() backwards with range 19 [document.body, 0, document.body, 1] and point 46 [document, 0] assert_equals: Sanity check: startContainer must be correct expected Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
 </p><p id... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 19 [document.body, 0, document.body, 1] and point 47 [document, 1] assert_equals: focusNode must be the node passed to extend() expected Document node with 2 children but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
+FAIL extend() forwards with range 19 [document.body, 0, document.body, 1] and point 47 [document, 1] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
+</p><p id... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
 FAIL extend() backwards with range 19 [document.body, 0, document.body, 1] and point 47 [document, 1] assert_equals: Sanity check: startContainer must be correct expected Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
 </p><p id... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 19 [document.body, 0, document.body, 1] and point 48 [document, 2] assert_equals: focusNode must be the node passed to extend() expected Document node with 2 children but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 19 [document.body, 0, document.body, 1] and point 48 [document, 2] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
+</p><p id... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
+"
 FAIL extend() backwards with range 19 [document.body, 0, document.body, 1] and point 48 [document, 2] assert_equals: Sanity check: startContainer must be correct expected Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
 </p><p id... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
@@ -4744,11 +5114,15 @@ PASS extend() forwards with range 19 [document.body, 0, document.body, 1] and po
 FAIL extend() backwards with range 19 [document.body, 0, document.body, 1] and point 50 [comment, -1] assert_equals: Sanity check: startContainer must be correct expected Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
 </p><p id... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 19 [document.body, 0, document.body, 1] and point 51 [comment, 0] assert_equals: focusNode must be the node passed to extend() expected Comment node <!--Alphabet soup?--> but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 19 [document.body, 0, document.body, 1] and point 51 [comment, 0] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
+</p><p id... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
+"
 FAIL extend() backwards with range 19 [document.body, 0, document.body, 1] and point 51 [comment, 0] assert_equals: Sanity check: startContainer must be correct expected Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
 </p><p id... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 19 [document.body, 0, document.body, 1] and point 52 [comment, 4] assert_equals: focusNode must be the node passed to extend() expected Comment node <!--Alphabet soup?--> but got Text node "Qrstuvwx"
+FAIL extend() forwards with range 19 [document.body, 0, document.body, 1] and point 52 [comment, 4] assert_equals: anchorNode must not change if the node passed to extend() has the same root as the original range expected Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
+</p><p id... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
+"
 FAIL extend() backwards with range 19 [document.body, 0, document.body, 1] and point 52 [comment, 4] assert_equals: Sanity check: startContainer must be correct expected Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
 </p><p id... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
@@ -4756,28 +5130,28 @@ PASS extend() forwards with range 19 [document.body, 0, document.body, 1] and po
 FAIL extend() backwards with range 19 [document.body, 0, document.body, 1] and point 53 [comment, 96] assert_equals: Sanity check: startContainer must be correct expected Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
 </p><p id... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 19 [document.body, 0, document.body, 1] and point 54 [foreignDoc, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Document node with 3 children but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() forwards with range 19 [document.body, 0, document.body, 1] and point 54 [foreignDoc, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Document node with 3 children but got Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
+</p><p id...
 FAIL extend() backwards with range 19 [document.body, 0, document.body, 1] and point 54 [foreignDoc, 0] assert_equals: Sanity check: startContainer must be correct expected Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
 </p><p id... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 19 [document.body, 0, document.body, 1] and point 55 [foreignDoc, 1] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Document node with 3 children but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() forwards with range 19 [document.body, 0, document.body, 1] and point 55 [foreignDoc, 1] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Document node with 3 children but got Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
+</p><p id...
 FAIL extend() backwards with range 19 [document.body, 0, document.body, 1] and point 55 [foreignDoc, 1] assert_equals: Sanity check: startContainer must be correct expected Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
 </p><p id... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 19 [document.body, 0, document.body, 1] and point 56 [foreignComment, 2] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Comment node <!--"Commenter" and "commentator" mean different things.  I'v...--> but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() forwards with range 19 [document.body, 0, document.body, 1] and point 56 [foreignComment, 2] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Comment node <!--"Commenter" and "commentator" mean different things.  I'v...--> but got Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
+</p><p id...
 FAIL extend() backwards with range 19 [document.body, 0, document.body, 1] and point 56 [foreignComment, 2] assert_equals: Sanity check: startContainer must be correct expected Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
 </p><p id... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 19 [document.body, 0, document.body, 1] and point 57 [foreignTextNode, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "I admit that I harbor doubts about whether we really need..." but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() forwards with range 19 [document.body, 0, document.body, 1] and point 57 [foreignTextNode, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "I admit that I harbor doubts about whether we really need..." but got Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
+</p><p id...
 FAIL extend() backwards with range 19 [document.body, 0, document.body, 1] and point 57 [foreignTextNode, 0] assert_equals: Sanity check: startContainer must be correct expected Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
 </p><p id... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 19 [document.body, 0, document.body, 1] and point 58 [foreignTextNode, 36] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "I admit that I harbor doubts about whether we really need..." but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() forwards with range 19 [document.body, 0, document.body, 1] and point 58 [foreignTextNode, 36] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "I admit that I harbor doubts about whether we really need..." but got Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
+</p><p id...
 FAIL extend() backwards with range 19 [document.body, 0, document.body, 1] and point 58 [foreignTextNode, 36] assert_equals: Sanity check: startContainer must be correct expected Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
 </p><p id... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
@@ -4785,13 +5159,13 @@ PASS extend() forwards with range 19 [document.body, 0, document.body, 1] and po
 FAIL extend() backwards with range 19 [document.body, 0, document.body, 1] and point 59 [xmlDoc, -1] assert_equals: Sanity check: startContainer must be correct expected Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
 </p><p id... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 19 [document.body, 0, document.body, 1] and point 60 [xmlDoc, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Document node with 4 children but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() forwards with range 19 [document.body, 0, document.body, 1] and point 60 [xmlDoc, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Document node with 4 children but got Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
+</p><p id...
 FAIL extend() backwards with range 19 [document.body, 0, document.body, 1] and point 60 [xmlDoc, 0] assert_equals: Sanity check: startContainer must be correct expected Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
 </p><p id... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 19 [document.body, 0, document.body, 1] and point 61 [xmlDoc, 1] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Document node with 4 children but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() forwards with range 19 [document.body, 0, document.body, 1] and point 61 [xmlDoc, 1] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Document node with 4 children but got Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
+</p><p id...
 FAIL extend() backwards with range 19 [document.body, 0, document.body, 1] and point 61 [xmlDoc, 1] assert_equals: Sanity check: startContainer must be correct expected Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
 </p><p id... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
@@ -4799,103 +5173,103 @@ PASS extend() forwards with range 19 [document.body, 0, document.body, 1] and po
 FAIL extend() backwards with range 19 [document.body, 0, document.body, 1] and point 62 [xmlDoc, 5] assert_equals: Sanity check: startContainer must be correct expected Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
 </p><p id... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 19 [document.body, 0, document.body, 1] and point 63 [xmlComment, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Comment node <!--I maliciously created a comment that will break incautiou...--> but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() forwards with range 19 [document.body, 0, document.body, 1] and point 63 [xmlComment, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Comment node <!--I maliciously created a comment that will break incautiou...--> but got Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
+</p><p id...
 FAIL extend() backwards with range 19 [document.body, 0, document.body, 1] and point 63 [xmlComment, 0] assert_equals: Sanity check: startContainer must be correct expected Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
 </p><p id... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 19 [document.body, 0, document.body, 1] and point 64 [xmlComment, 4] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Comment node <!--I maliciously created a comment that will break incautiou...--> but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() forwards with range 19 [document.body, 0, document.body, 1] and point 64 [xmlComment, 4] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Comment node <!--I maliciously created a comment that will break incautiou...--> but got Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
+</p><p id...
 FAIL extend() backwards with range 19 [document.body, 0, document.body, 1] and point 64 [xmlComment, 4] assert_equals: Sanity check: startContainer must be correct expected Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
 </p><p id... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 19 [document.body, 0, document.body, 1] and point 65 [processingInstruction, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected ProcessingInstruction node with target "somePI" and data "Did you know that \":syn sync fromstart\" is very useful wh..." but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() forwards with range 19 [document.body, 0, document.body, 1] and point 65 [processingInstruction, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected ProcessingInstruction node with target "somePI" and data "Did you know that \":syn sync fromstart\" is very useful wh..." but got Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
+</p><p id...
 FAIL extend() backwards with range 19 [document.body, 0, document.body, 1] and point 65 [processingInstruction, 0] assert_equals: Sanity check: startContainer must be correct expected Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
 </p><p id... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 19 [document.body, 0, document.body, 1] and point 66 [processingInstruction, 5] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected ProcessingInstruction node with target "somePI" and data "Did you know that \":syn sync fromstart\" is very useful wh..." but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() forwards with range 19 [document.body, 0, document.body, 1] and point 66 [processingInstruction, 5] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected ProcessingInstruction node with target "somePI" and data "Did you know that \":syn sync fromstart\" is very useful wh..." but got Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
+</p><p id...
 FAIL extend() backwards with range 19 [document.body, 0, document.body, 1] and point 66 [processingInstruction, 5] assert_equals: Sanity check: startContainer must be correct expected Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
 </p><p id... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 19 [document.body, 0, document.body, 1] and point 67 [processingInstruction, 9] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected ProcessingInstruction node with target "somePI" and data "Did you know that \":syn sync fromstart\" is very useful wh..." but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() forwards with range 19 [document.body, 0, document.body, 1] and point 67 [processingInstruction, 9] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected ProcessingInstruction node with target "somePI" and data "Did you know that \":syn sync fromstart\" is very useful wh..." but got Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
+</p><p id...
 FAIL extend() backwards with range 19 [document.body, 0, document.body, 1] and point 67 [processingInstruction, 9] assert_equals: Sanity check: startContainer must be correct expected Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
 </p><p id... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 19 [document.body, 0, document.body, 1] and point 68 [detachedTextNode, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Uvwxyzab" but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() forwards with range 19 [document.body, 0, document.body, 1] and point 68 [detachedTextNode, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Uvwxyzab" but got Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
+</p><p id...
 FAIL extend() backwards with range 19 [document.body, 0, document.body, 1] and point 68 [detachedTextNode, 0] assert_equals: Sanity check: startContainer must be correct expected Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
 </p><p id... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 19 [document.body, 0, document.body, 1] and point 69 [detachedTextNode, 8] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Uvwxyzab" but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() forwards with range 19 [document.body, 0, document.body, 1] and point 69 [detachedTextNode, 8] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Uvwxyzab" but got Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
+</p><p id...
 FAIL extend() backwards with range 19 [document.body, 0, document.body, 1] and point 69 [detachedTextNode, 8] assert_equals: Sanity check: startContainer must be correct expected Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
 </p><p id... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 19 [document.body, 0, document.body, 1] and point 70 [detachedForeignTextNode, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Cdefghij" but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() forwards with range 19 [document.body, 0, document.body, 1] and point 70 [detachedForeignTextNode, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Cdefghij" but got Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
+</p><p id...
 FAIL extend() backwards with range 19 [document.body, 0, document.body, 1] and point 70 [detachedForeignTextNode, 0] assert_equals: Sanity check: startContainer must be correct expected Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
 </p><p id... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 19 [document.body, 0, document.body, 1] and point 71 [detachedForeignTextNode, 8] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Cdefghij" but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() forwards with range 19 [document.body, 0, document.body, 1] and point 71 [detachedForeignTextNode, 8] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Cdefghij" but got Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
+</p><p id...
 FAIL extend() backwards with range 19 [document.body, 0, document.body, 1] and point 71 [detachedForeignTextNode, 8] assert_equals: Sanity check: startContainer must be correct expected Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
 </p><p id... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 19 [document.body, 0, document.body, 1] and point 72 [detachedXmlTextNode, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Klmnopqr" but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() forwards with range 19 [document.body, 0, document.body, 1] and point 72 [detachedXmlTextNode, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Klmnopqr" but got Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
+</p><p id...
 FAIL extend() backwards with range 19 [document.body, 0, document.body, 1] and point 72 [detachedXmlTextNode, 0] assert_equals: Sanity check: startContainer must be correct expected Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
 </p><p id... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 19 [document.body, 0, document.body, 1] and point 73 [detachedXmlTextNode, 8] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Klmnopqr" but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() forwards with range 19 [document.body, 0, document.body, 1] and point 73 [detachedXmlTextNode, 8] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Text node "Klmnopqr" but got Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
+</p><p id...
 FAIL extend() backwards with range 19 [document.body, 0, document.body, 1] and point 73 [detachedXmlTextNode, 8] assert_equals: Sanity check: startContainer must be correct expected Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
 </p><p id... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 19 [document.body, 0, document.body, 1] and point 74 [detachedProcessingInstruction, 12] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected ProcessingInstruction node with target "whippoorwill" and data "chirp chirp chirp" but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() forwards with range 19 [document.body, 0, document.body, 1] and point 74 [detachedProcessingInstruction, 12] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected ProcessingInstruction node with target "whippoorwill" and data "chirp chirp chirp" but got Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
+</p><p id...
 FAIL extend() backwards with range 19 [document.body, 0, document.body, 1] and point 74 [detachedProcessingInstruction, 12] assert_equals: Sanity check: startContainer must be correct expected Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
 </p><p id... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 19 [document.body, 0, document.body, 1] and point 75 [detachedComment, 3] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Comment node <!--Stuvwxyz--> but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() forwards with range 19 [document.body, 0, document.body, 1] and point 75 [detachedComment, 3] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Comment node <!--Stuvwxyz--> but got Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
+</p><p id...
 FAIL extend() backwards with range 19 [document.body, 0, document.body, 1] and point 75 [detachedComment, 3] assert_equals: Sanity check: startContainer must be correct expected Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
 </p><p id... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 19 [document.body, 0, document.body, 1] and point 76 [detachedComment, 5] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Comment node <!--Stuvwxyz--> but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() forwards with range 19 [document.body, 0, document.body, 1] and point 76 [detachedComment, 5] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Comment node <!--Stuvwxyz--> but got Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
+</p><p id...
 FAIL extend() backwards with range 19 [document.body, 0, document.body, 1] and point 76 [detachedComment, 5] assert_equals: Sanity check: startContainer must be correct expected Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
 </p><p id... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 19 [document.body, 0, document.body, 1] and point 77 [detachedForeignComment, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Comment node <!--אריה יהודה--> but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() forwards with range 19 [document.body, 0, document.body, 1] and point 77 [detachedForeignComment, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Comment node <!--אריה יהודה--> but got Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
+</p><p id...
 FAIL extend() backwards with range 19 [document.body, 0, document.body, 1] and point 77 [detachedForeignComment, 0] assert_equals: Sanity check: startContainer must be correct expected Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
 </p><p id... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 19 [document.body, 0, document.body, 1] and point 78 [detachedForeignComment, 4] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Comment node <!--אריה יהודה--> but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() forwards with range 19 [document.body, 0, document.body, 1] and point 78 [detachedForeignComment, 4] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Comment node <!--אריה יהודה--> but got Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
+</p><p id...
 FAIL extend() backwards with range 19 [document.body, 0, document.body, 1] and point 78 [detachedForeignComment, 4] assert_equals: Sanity check: startContainer must be correct expected Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
 </p><p id... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 19 [document.body, 0, document.body, 1] and point 79 [detachedXmlComment, 2] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Comment node <!--בן חיים אליעזר--> but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() forwards with range 19 [document.body, 0, document.body, 1] and point 79 [detachedXmlComment, 2] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected Comment node <!--בן חיים אליעזר--> but got Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
+</p><p id...
 FAIL extend() backwards with range 19 [document.body, 0, document.body, 1] and point 79 [detachedXmlComment, 2] assert_equals: Sanity check: startContainer must be correct expected Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
 </p><p id... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 19 [document.body, 0, document.body, 1] and point 80 [docfrag, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected DocumentFragment node with 0 children but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() forwards with range 19 [document.body, 0, document.body, 1] and point 80 [docfrag, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected DocumentFragment node with 0 children but got Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
+</p><p id...
 FAIL extend() backwards with range 19 [document.body, 0, document.body, 1] and point 80 [docfrag, 0] assert_equals: Sanity check: startContainer must be correct expected Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
 </p><p id... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 19 [document.body, 0, document.body, 1] and point 81 [foreignDocfrag, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected DocumentFragment node with 0 children but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() forwards with range 19 [document.body, 0, document.body, 1] and point 81 [foreignDocfrag, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected DocumentFragment node with 0 children but got Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
+</p><p id...
 FAIL extend() backwards with range 19 [document.body, 0, document.body, 1] and point 81 [foreignDocfrag, 0] assert_equals: Sanity check: startContainer must be correct expected Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
 </p><p id... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "
-FAIL extend() forwards with range 19 [document.body, 0, document.body, 1] and point 82 [xmlDocfrag, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected DocumentFragment node with 0 children but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
-"
+FAIL extend() forwards with range 19 [document.body, 0, document.body, 1] and point 82 [xmlDocfrag, 0] assert_equals: anchorNode must be the node passed to extend() if it has a different root from the original range expected DocumentFragment node with 0 children but got Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
+</p><p id...
 FAIL extend() backwards with range 19 [document.body, 0, document.body, 1] and point 82 [xmlDocfrag, 0] assert_equals: Sanity check: startContainer must be correct expected Element node <body><div id="test"><p id="a">Äb̈c̈d̈ëf̈g̈ḧ
 </p><p id... but got Text node "Äb̈c̈d̈ëf̈g̈ḧ
 "