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Re: outline-width-095/096 invalid

From: Gérard Talbot <css21testsuite@gtalbot.org>
Date: Sat, 16 Oct 2010 13:28:40 -0700
Message-ID: <c732395f790144be4f36a06675549945.squirrel@cp3.shieldhost.com>
To: "L. David Baron" <dbaron@dbaron.org>
Cc: "public-css-testsuite@w3.org" <public-css-testsuite@w3.org>

> These testcases (note 095 and 096 have different authors):
> http://test.csswg.org/suites/css2.1/20101001/html4/outline-width-095.htm
> http://test.csswg.org/suites/css2.1/20101001/xhtml1/outline-width-095.xht
> http://test.csswg.org/suites/css2.1/20101001/html4/outline-width-096.htm
> http://test.csswg.org/suites/css2.1/20101001/xhtml1/outline-width-096.xht
> are invalid because they assume that the outline is always drawn
> around the border box.  In particular, the spec says:
>   # Outlines may be non-rectangular. For example, if the element is
>   # broken across several lines, the outline is the minimum outline
>   # that encloses all the element's boxes. In contrast to borders,
>   # the outline is not open at the line box's end or start, but is
>   # always fully connected if possible.
>    --http://www.w3.org/TR/CSS21/ui.html#dynamic-outlines
>
> In Gecko's case, we currently interpret "encloses all the element's
> boxes" as enclosing the outlines of descendants.  (We might change
> that, though, but it's still a valid behavior.)

David,

I understand that "encloses all all the element's boxes" can mean
enclosing the outlines of descendants, therefore making the black
outline in outline-width-095 twice thicker than - maybe or possibly -
expected, and overlapping the pass condition text.

But I do not understand why this has anything to do with
outline-width-096 and why it makes 096 invalid. Please elaborate.

#parent's outline-style is none. And computed value of outline-width is
"
'0' if the outline style is 'none'
"
http://www.w3.org/TR/CSS21/ui.html#dynamic-outlines

Even if my testcase is invalid, the statement of the spec should still
be testable, testcase-able.

regards, Gérard
-- 
Contributions to the CSS 2.1 test suite:
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CSS 2.1 test suite (RC2; October 1st 2010):
http://test.csswg.org/suites/css2.1/20101001/html4/toc.html

CSS 2.1 test suite contributors:
http://test.csswg.org/source/contributors/
Received on Saturday, 16 October 2010 20:29:17 GMT

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