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Re: [css3-writing-modes] horizontal-bt writing mode

From: John Daggett <jdaggett@mozilla.com>
Date: Mon, 25 Oct 2010 01:32:27 -0700 (PDT)
To: fantasai <fantasai.lists@inkedblade.net>
Cc: www-style list <www-style@w3.org>
Message-ID: <1127945890.169063.1287995547654.JavaMail.root@cm-mail03.mozilla.org>
fantasai wrote:

> > Looking over the current CSS3 Writing Modes spec, I'm puzzling over
> > what writing-mode 'horizontal-bt' is needed for?  It's defined as:
> >
> >    "Bottom-to-top block flow. The writing mode is horizontal."
> >
> > What's the script that requires this?  Or is it just there for
> > completeness?
> >
> >    http://dev.w3.org/csswg/css3-writing-modes/#writing-mode
> It's just there for completeness. MS requested that such a mode exist
> since they implement it (for completeness, and because given all the
> other modes, they thought it was easy).

If block-progression and direction are defined as in the IE Blog post,
then I could see that it would fall out from having two independent
properties.  But with a single property, I don't think it's needed for
completeness so I would suggest dropping it.  It may be easy to
implement but features that serve no purpose add time to testing
and conformance requirements.

John Daggett
Received on Monday, 25 October 2010 08:32:59 UTC

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