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Re: [CSS21] Test Suite

From: Chris Lilley <chris@w3.org>
Date: Thu, 22 Jul 2004 23:17:05 +0200
Message-ID: <17710647867.20040722231705@w3.org>
To: "Mark Moore" <mark.moore@notlimited.com>
Cc: www-style@w3.org

On Thursday, July 22, 2004, 4:44:17 AM, Mark wrote:

>> -----Original Message-----
>> From: www-style-request@w3.org [mailto:www-style-request@w3.org] On Behalf
>> Of Lachlan Hunt
>> Sent: Wednesday, July 21, 2004 6:13 PM
>> To: Mark Moore
>> Cc: www-style@w3.org
>> Subject: Re: [CSS21] Test Suite
>> Mark Moore wrote:
>> > Due to various limitations (primarily of IE6), neither the 'xhm', nor
>> the
>> > 'xml' extensions are particularly good.  If the tests are renamed with
>> the
>> > xhtml extension, the tests can be loaded using Firefox, Mozilla, Opera,
>> > *and* IE6.
>>    No, they cannot.  Obviously, you didn't try it before posting this.
>> XHTML files are rejected by IE.

MM> Lachlan,

MM> Thanks for taking the time to respond, and I'm sorry it was obvious to you I
MM> didn't "try it" before I posted.

MM> In fact, I had tried viewing the XHTML tests with IE6, and have just now
MM> tried it again.  You should find an attached GIF if you would like to see
MM> for your self.

<object data="support/css1test412a.png">

should be

<object data="support/css1test412a.png" type="image/png">

>> However, styles can still be applied using the <?xml-stylesheet?> PI.

MM> Didn't try that.

It seems that is the only supported method for generic xml in Win/IE

MM> It looks like I may have been too hasty with my assessment of IE6's
MM> rendering of PNG's from the barrage of IE-does-too-handle-PNG's responses.

Yes. To be clear - it renders inline opaque PNG on img and object, does
a poor job on indexed or rgba png that have transparency.

MM> Maybe the suggestion should be to use PNG's with out transparency, (and
MM> convert the handful of GIF's to PNG).  On the other hand, GIF's have been
MM> around much longer, and seem to have broader, more consistent rendering, so
MM> I'm still leaning toward expressing the CSS 2.1 conformance test suite in
MM> terms of GIF's, and not PNG's.

GIFs do not have more consistent rendering. They look entirely different
on Mac and PC platforms, to take an example.

 Chris Lilley                    mailto:chris@w3.org
 Chair, W3C SVG Working Group
 Member, W3C Technical Architecture Group
Received on Thursday, 22 July 2004 17:17:05 UTC

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