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RE: [css3-writing-modes] vertical orientation and UTR50

From: Koji Ishii <kojiishi@gluesoft.co.jp>
Date: Tue, 3 Jul 2012 07:31:55 -0400
To: John Daggett <jdaggett@mozilla.com>, www-style list <www-style@w3.org>
Message-ID: <A592E245B36A8949BDB0A302B375FB4E0D5E51D0BD@MAILR001.mail.lan>
> From: John Daggett [mailto:jdaggett@mozilla.com]
> This issue actually has very little bearing on the problems with the Webkit
> implementation which are much more fundamental than simply which codepoints are
> oriented which way by default.  There are a number of basic problems with the
> current Webkit implementation, ones that I've reported [1] and which you, Koji, have
> commented on.  Not centering upright Latin is a fairly fundamental problem.
> Nor do authors *require* a solution to the question of proper defaults, since they can
> always use the values of 'upright' and 'sideways' to manually specify the orientation
> they prefer.
> [1] https://bugs.webkit.org/show_bug.cgi?id=86071

I'm sorry, I understand these WebKit's bugs, but I do not understand the relationship of the topic and the bugs. Can you tell me what I'm missing?

#2 is a bug in Mac port, or more likely a bug in Core Text. Japanese implementers do not see the bug in their ports.

#4 and #5 only appears when WebKit use the complex code path, and if the port doesn't support vertical flow in the complex code path. The priority of the code path isn't high that I don't know if coming ports have the bug or not. I had some conversation with Chromium guys how to fix this issue, but nobody has time to work on it right now.

But this isn't a CSS issue, is this?


Received on Tuesday, 3 July 2012 11:29:04 UTC

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