added to sample.html
+<!--
+ Copyright 2017 Google Inc.
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+-->
+
<html>
<head>
<style>
</script>
</head>
<body>
- <div describedby href>
+ <div describedby="hello" href="example" hidden actionable>
+ </div>
+
+ <input type="button"></input>
/* Not an HTML comment. */
// Not a comment
Some non-keywords if or while or for or function
