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data URL test case: data:text/html,<!doctype html> <table><tr><th>Table 1<tr><td>Longish string to observe centering</table> <table style=text-align:left><tr><th>Table 2<tr><td>Longish string to observe centering</table> According to the expected rendering (as given in the spec) of this markup, the th should be centered in both cases, because th { text-align: center } overrides the style given on the parent table. However, no browser actually does this except IE8 in standards mode -- which, as usual, tries to follow standards to the letter even when this reduces interoperability in practice. I filed bugs against Gecko <https://bugzilla.mozilla.org/show_bug.cgi?id=559382> and WebKit <https://bugs.webkit.org/show_bug.cgi?id=37590> suggesting they follow HTML5 here. I haven't received a response on the WebKit bug yet, but Boris Zbarsky resolved my Gecko bug INVALID. I don't think I understand CSS well enough to understand what he's saying, but he thinks this behavior is undesirable for web compat. If he's right, the spec needs to be changed to reflect behavior as actually implemented. If he's wrong, you should go talk to him and convince him of that. :)
I'll change the 'text-align: center' for <th> to prose corresponding to the magic described in: https://bugzilla.mozilla.org/show_bug.cgi?id=559382#c2
EDITOR'S RESPONSE: This is an Editor's Response to your comment. If you are satisfied with this response, please change the state of this bug to CLOSED. If you have additional information and would like the editor to reconsider, please reopen this bug. If you would like to escalate the issue to the full HTML Working Group, please add the TrackerRequest keyword to this bug, and suggest title and text for the tracker issue; or you may create a tracker issue yourself, if you are able to do so. For more details, see this document: http://dev.w3.org/html5/decision-policy/decision-policy.html Status: Accepted Change Description: see diff given below Rationale: Concurred with reporter's comments.
There's no "diff given below"...
http://html5.org/tools/web-apps-tracker?from=5463&to=5464 mentions this bug in its changelog so I suppose that should have been listed here.