Lock state store when saving/loading and update deps

vendor/golang.org/x/net/html/parse.go

@@ -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.
@@ -1260,12 +1264,6 @@ func (p *parser) inBodyEndTagFormatting(tagAtom a.Atom) {
 		switch commonAncestor.DataAtom {
 		case a.Table, a.Tbody, a.Tfoot, a.Thead, a.Tr:
 			p.fosterParent(lastNode)
-		case a.Template:
-			// TODO: remove namespace checking
-			if commonAncestor.Namespace == "html" {
-				commonAncestor = commonAncestor.LastChild
-			}
-			fallthrough
 		default:
 			commonAncestor.AppendChild(lastNode)
 		}