--- a/vendor/golang.org/x/net/html/parse.go Mon Jun 07 20:58:18 2021 +0200
+++ b/vendor/golang.org/x/net/html/parse.go Sun Jul 11 10:35:56 2021 +0200
@@ -663,6 +663,24 @@
// Ignore the token.
return true
case a.Template:
+ // TODO: remove this divergence from the HTML5 spec.
+ //
+ // We don't handle all of the corner cases when mixing foreign
+ // content (i.e. <math> or <svg>) with <template>. Without this
+ // early return, we can get into an infinite loop, possibly because
+ // of the "TODO... further divergence" a little below.
+ //
+ // As a workaround, if we are mixing foreign content and templates,
+ // just ignore the rest of the HTML. Foreign content is rare and a
+ // relatively old HTML feature. Templates are also rare and a
+ // relatively new HTML feature. Their combination is very rare.
+ for _, e := range p.oe {
+ if e.Namespace != "" {
+ p.im = ignoreTheRemainingTokens
+ return true
+ }
+ }
+
p.addElement()
p.afe = append(p.afe, &scopeMarker)
p.framesetOK = false
@@ -683,7 +701,7 @@
if !p.oe.contains(a.Template) {
return true
}
- // TODO: remove this divergence from the HTML5 spec.
+ // TODO: remove this further divergence from the HTML5 spec.
//
// See https://bugs.chromium.org/p/chromium/issues/detail?id=829668
p.generateImpliedEndTags()
@@ -728,7 +746,13 @@
return inBodyIM(p)
case a.Basefont, a.Bgsound, a.Link, a.Meta, a.Noframes, a.Style:
return inHeadIM(p)
- case a.Head, a.Noscript:
+ case a.Head:
+ // Ignore the token.
+ return true
+ case a.Noscript:
+ // Don't let the tokenizer go into raw text mode even when a <noscript>
+ // tag is in "in head noscript" insertion mode.
+ p.tokenizer.NextIsNotRawText()
// Ignore the token.
return true
}
@@ -1790,6 +1814,13 @@
return true
case a.Script, a.Template:
return inHeadIM(p)
+ case a.Iframe, a.Noembed, a.Noframes, a.Noscript, a.Plaintext, a.Style, a.Title, a.Xmp:
+ // Don't let the tokenizer go into raw text mode when there are raw tags
+ // to be ignored. These tags should be ignored from the tokenizer
+ // properly.
+ p.tokenizer.NextIsNotRawText()
+ // Ignore the token.
+ return true
}
case EndTagToken:
switch p.tok.DataAtom {
@@ -2114,6 +2145,10 @@
return true
}
+func ignoreTheRemainingTokens(p *parser) bool {
+ return true
+}
+
const whitespaceOrNUL = whitespace + "\x00"
// Section 12.2.6.5