filter edits before console.warn. remove onChange event handler.
Cleanups for HTMLTokenizer:
* Add JSDoc comments.
* Fix content of comments/CDATA to omit garbage at end.
* Some naming improvements.
* Add reference to license for original tokenizer to NOTICE.
fix for missing html element, see #4668. add try/catch to browser diff.
fix jshint errors
For #4664, set value of empty attribute to the attribute string
Merge pull request #4679 from adobe/nj/cleanup-tokenizer

Cleanups for HTMLTokenizer
Merge pull request #4681 from adobe/nj/issue-4664

For #4664, set value of empty attribute to the attribute string
Merge pull request #4672 from adobe/jasonsanjose/ResearchLiveHTML-debug

[LiveHTML] Fix console spam
Merge branch 'ResearchLiveHTML' into dangoor/robust-diffs