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html: don't set im if <template> doesn't have HTML namespace

If there are nested <template> elements and the <template> node isn't in HTML namespace,
couldn't continue to parse documents correctly.
By this patch, it makes the <template> which is in math namespace be skipped on
resetting insertion mode.

Fixes golang/go#27702

Change-Id: I6eacdb98fe29eb3c61781afca5bc4d83e72ba4ed
Reviewed-on: https://go-review.googlesource.com/136875
Reviewed-by: Nigel Tao <nigeltao@golang.org>
Kunpei Sakai 7 years ago
parent
2f5d238892
commit
cf3bd585ca
2 changed files with 17 additions and 0 deletions
Split View Show Diff Stats
  1. 4 0
      html/parse.go
  2. 13 0
      html/testdata/go/template.dat

+ 4 - 0
html/parse.go
View File 

@@ -470,6 +470,10 @@ func (p *parser) resetInsertionMode() {
 
 		case a.Table:
 
 			p.im = inTableIM
 
 		case a.Template:
 
+			// TODO: remove this divergence from the HTML5 spec.
 
+			if n.Namespace != "" {
 
+				continue
 
+			}
 
 			p.im = p.templateStack.top()
 
 		case a.Head:
 
 			// TODO: remove this divergence from the HTML5 spec.

+ 13 - 0
html/testdata/go/template.dat
View File 

@@ -22,3 +22,16 @@
 
 |       content
 
 |         <tbody>
 
 |   <body>
 
+
 
+#data
 
+<math><template><mo><template>
 
+#errors
 
+#document
 
+| <html>
 
+|   <head>
 
+|   <body>
 
+|     <math math>
 
+|       <math template>
 
+|         <math mo>
 
+|           <template>
 
+|             content