deal more consistently with unsortable edges

tools/pathops_sorter.htm

Index: tools/pathops_sorter.htm
diff --git a/tools/pathops_sorter.htm b/tools/pathops_sorter.htm
index 3e71f610f2892f3a25bdf3ee16a9bc8ba65f7199..3411505eb7f96bb99b06165356591692a5c6e4da 100644
--- a/tools/pathops_sorter.htm
+++ b/tools/pathops_sorter.htm
@@ -7,10 +7,9 @@
 <div style="height:0">
 
 <div id="sect1">
-SkOpAngle::afterPart {{{3,4}, {2.87721833,4.1227816}, {2.78458726,4.17018661}, {2.72210693,4.16072464}}} id=1
-SkOpAngle::afterPart {{{3,4}, {3.00020218,3.99986529}}} id=3
-SkOpAngle::afterPart {{{3,4}, {3.00006742,3.99995506}, {3.00013476,3.99991025}, {3.00020218,3.99986529}}} id=4
-
+{{{6, -3}, {0, 1}}} id=3
+{{{1.6714313f, -1.08141601f}, {2.24979973f, -1.14467525f}, {2.27122664f, -0.514151096f}, {0, 1}}} id=5
+{{{0.001119050197303295135, 0.9992539882659912109}, {4.001119136810302734, 6.999254226684570312}}},
 </div>
 
 </div>