On 03/07/2011 13:41, Alan Gresley wrote: > On 3/07/2011 7:58 PM, Anton Prowse wrote: >> On 31/05/2011 05:52, Robert O'Callahan wrote: >>> On Tue, May 31, 2011 at 3:32 PM, Boris Zbarsky<bzbarsky@mit.edu> wrote: >>> >>>> <http://www.w3.org/TR/2010/PR-css3-color-20101028/#transparency>Note >>>> that >>>> making the inline a generate a stacking context (which opacity does) >>>> doesn't >>>> help, since for inlines generating stacking contexts the painting >>>> specified >>>> in Appendix E.2 step 6 says to just paint the boxes of the inline >>>> that are >>>> in line boxes and does NOT say to paint the block. This means that the >>>> block child is painted in the normal way as a block child of the >>>> nearest >>>> ancestor block of the inline in E.2 step 7. >>>> >>> >>> I think we should alter Appendix E step 6 so that it paints the block >>> children of the inline. >>> >>> It seems clear to me that authors would expect the anonymous block be >>> painted as part of the opacity group. As you say, that requires that the >>> anonymous block be painted as part of the stacking context for the >>> inline. >> >> Me too. It seems to me that this is a mistake in Appendix E which fails >> to take block children of inlines into account. >> >> Cheers, >> Anton Prowse > > > I have noticed that this does not just apply to opacity but to normal > background-color. Consider this test case. Why does the anonymous block > (with inlines) of the paragraph, not have a background-color? > > <!doctype html> > <style type="text/css"> > p {background: green; border: 10px solid blue; } > div {background: red; } > </style> > <p><div>Block</div> This paragraph should have a green background.</p> That's a different thing entirely. Your HTML is invalid (div inside p) and so browsers are fixing it up for you by immediately closing the <p>s. If you want to test block inside inline, a good choice is to use p inside div and then use CSS to change the display type of the div to inline. Cheers, Anton Prowse http://dev.moonhenge.netReceived on Sunday, 3 July 2011 12:29:26 UTC
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