var golang.org/x/net/html.nul

3 uses

	golang.org/x/net/html (current package)
		token.go#L1112: 	nul         = []byte("\x00")
		token.go#L1125: 		if (z.convertNUL || z.tt == CommentToken) && bytes.Contains(s, nul) {
		token.go#L1126: 			s = bytes.Replace(s, nul, replacement, -1)