Simon Pieters

> Such as a customized tooltip, check content in the auto-test frame, etc. Can you elaborate on the use cases, please? It's difficult to evaluate an API proposal without understanding...

Certainly not all widgets are fully replaced elements. e.g. for `vertical-align: baseline`, ``, `` and `button` have baseline alignment like inline-blocks (with text), whereas replaced elements sit on top of...

I filed a WebKit bug: https://bugs.webkit.org/show_bug.cgi?id=303993 Closing since it seems the spec should stay as-is.

U+000B was removed from the list of "space characters" in HTML in https://github.com/whatwg/html/commit/63e2aeb0b399b4740460388264a1b523ac6ac752 I didn't find a relevant email or bug or IRC discussion from June 2008, though.

I suspect this can't be changed at least for the HTML parser without causing XSS issues. https://software.hixie.ch/utilities/js/live-dom-viewer/saved/13786

@gsnedders Can you take another look at this?

An alternative to having `tentative_` in the method names is to have an assertion for these methods that checks that the test itself is tentative (by checking the test's URL).

Testing with https://software.hixie.ch/utilities/js/live-dom-viewer/saved/13898 it looks like `role` is case-insensitive as implemented in Gecko, WebKit, Chromium. > In Section 10.2, ARIA specifies role values to be a token list. 10.2 is...

@scottaohara OK, thanks. I think it doesn't make sense to require lowercase, though.