Update dependencies

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

@@ -177,7 +177,7 @@ func (s *nodeStack) index(n *Node) int {
 // contains returns whether a is within s.
 func (s *nodeStack) contains(a atom.Atom) bool {
 	for _, n := range *s {
-		if n.DataAtom == a {
+		if n.DataAtom == a && n.Namespace == "" {
 			return true
 		}
 	}

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

@@ -1719,8 +1719,12 @@ func inSelectIM(p *parser) bool {
 			}
 			p.addElement()
 		case a.Select:
-			p.tok.Type = EndTagToken
-			return false
+			if p.popUntil(selectScope, a.Select) {
+				p.resetInsertionMode()
+			} else {
+				// Ignore the token.
+				return true
+			}
 		case a.Input, a.Keygen, a.Textarea:
 			if p.elementInScope(selectScope, a.Select) {
 				p.parseImpliedToken(EndTagToken, a.Select, a.Select.String())
@@ -1750,6 +1754,9 @@ func inSelectIM(p *parser) bool {
 		case a.Select:
 			if p.popUntil(selectScope, a.Select) {
 				p.resetInsertionMode()
+			} else {
+				// Ignore the token.
+				return true
 			}
 		case a.Template:
 			return inHeadIM(p)
@@ -1775,13 +1782,22 @@ func inSelectInTableIM(p *parser) bool {
 	case StartTagToken, EndTagToken:
 		switch p.tok.DataAtom {
 		case a.Caption, a.Table, a.Tbody, a.Tfoot, a.Thead, a.Tr, a.Td, a.Th:
-			if p.tok.Type == StartTagToken || p.elementInScope(tableScope, p.tok.DataAtom) {
-				p.parseImpliedToken(EndTagToken, a.Select, a.Select.String())
-				return false
-			} else {
+			if p.tok.Type == EndTagToken && !p.elementInScope(tableScope, p.tok.DataAtom) {
 				// Ignore the token.
 				return true
 			}
+			// This is like p.popUntil(selectScope, a.Select), but it also
+			// matches <math select>, not just <select>. Matching the MathML
+			// tag is arguably incorrect (conceptually), but it mimics what
+			// Chromium does.
+			for i := len(p.oe) - 1; i >= 0; i-- {
+				if n := p.oe[i]; n.DataAtom == a.Select {
+					p.oe = p.oe[:i]
+					break
+				}
+			}
+			p.resetInsertionMode()
+			return false
 		}
 	}
 	return inSelectIM(p)