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Re: [css-writing-modes] Vertical upright Mongolian intrinsic orientation

From: Gérard Talbot <www-style@gtalbot.org>
Date: Wed, 03 May 2017 04:21:21 -0400
To: Elika Etemad <fantasai.lists@inkedblade.net>
Cc: Kari Pihkala <kari.pihkala@gmail.com>, W3C www-style mailing list <www-style@w3.org>
Message-ID: <a289fb6b5956614e13e66ccfdf2ab489@gtalbot.org>
Le 2017-05-03 01:52, Kari Pihkala a écrit :
>> If it's typesetting correctly in mixed orientation, but not upright, 
>> it's a browser bug.
>> (I think this is unclear because UTR50 does not provide a data point 
>> to reference here,
>> but the proper behavior can be derived from a combination of UTR50 
>> data and the script
>> tag.)
>> ~fantasai


In light of the bug reports filed by Kari, can you have a look at this 
test then:


which states
This test checks that 'text-orientation: upright' causes characters from 
horizontal-only scripts and from vertical scripts to be translated 



> Thanks. I filed a bug for Firefox [1] and Chrome [2].
> I also found a test case for this (Mongolian code points
> U+1800–U+18AF), but I don’t understand why it claims it passes for
> Blink:
> http://test.csswg.org/harness/results/css-writing-modes-3_dev/grouped/text-orientation-script-001b/
> Chrome doesn’t display Mongolian correctly for text-orientation:
> upright. Is the test for something else than testing text-orientation:
> upright? I couldn’t find any other test for upright Mongolian. Could
> it be added to the tests?
>  - Kari
> [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1361631
> [2] https://bugs.chromium.org/p/chromium/issues/detail?id=717862
Received on Wednesday, 3 May 2017 08:21:55 UTC

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