update elements and fix some bugs

lib/src/prism/tests/languages/abap/string-template_feature.test

Index: lib/src/prism/tests/languages/abap/string-template_feature.test
diff --git a/lib/src/prism/tests/languages/abap/string-template_feature.test b/lib/src/prism/tests/languages/abap/string-template_feature.test
new file mode 100644
index 0000000000000000000000000000000000000000..7979fbefa069ef7119334f36d449ba47dda2a77a
--- /dev/null
+++ b/lib/src/prism/tests/languages/abap/string-template_feature.test
@@ -0,0 +1,17 @@
+|foobar|
+|foo\|b\{a}r|
+|foo { bar } baz|
+
+----------------------------------------------------
+
+[
+	["token-operator", "|"], ["string-template", "foobar"], ["token-operator", "|"],
+	["token-operator", "|"], ["string-template", "foo\\|b\\{a}r"], ["token-operator", "|"],
+	["token-operator", "|"], ["string-template", "foo "], ["token-operator", "{"],
+	" bar ",
+	["token-operator", "}"], ["string-template", " baz"], ["token-operator", "|"]
+]
+
+----------------------------------------------------
+
+Checks for string templates.