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Re: [css-text-decor-3] text-underline-position: left | right should specify horizontal writing behavior

From: L. David Baron <dbaron@dbaron.org>
Date: Tue, 7 May 2013 00:37:37 -0700
To: fantasai <fantasai.lists@inkedblade.net>
Cc: www-style@w3.org
Message-ID: <20130507073737.GA13683@crum.dbaron.org>
On Monday 2013-05-06 18:32 -0700, fantasai wrote:
> On 03/24/2013 09:13 PM, L. David Baron wrote:
> >http://dev.w3.org/csswg/css-text-decor-3/#text-underline-position-property
> >says:
> >   # ‘left’
> >   #   In vertical writing modes, the underline is aligned as for
> >   #   ‘under’, except it is always aligned to the left edge of the
> >   #   text. If this causes the underline to be drawn on the "over"
> >   #   side of the text, then an overline also switches sides and is
> >   #   drawn on the "under" side.
> >   #
> >   # ‘right’
> >   #   In vertical writing modes, the underline is aligned as for
> >   #   ‘under’, except it is always aligned to the right edge of the
> >   #   text. If this causes the underline to be drawn on the "over"
> >   #   side of the text, then an overline also switches sides and is
> >   #   drawn on the "under" side.
> >
> >This should specify what happens in horizontal writing modes.  My
> >guess is that the intent was to behave exactly as 'under', but the
> >specification should say so.
> 
> It already says so:
> 
>   # If ‘under’ is specified alone, ‘left’ is also implied. If ‘left’
>   # or ‘right’ is specified alone, ‘under’ is also implied.
> 
> That should be sufficient, right?

Yes.  (Though it's still a little confusing until you get all the
way to the end of the list.  Maybe that text could be earlier?)

-David

-- 
𝄞   L. David Baron                         http://dbaron.org/   𝄂
𝄢   Mozilla                           http://www.mozilla.org/   𝄂
Received on Tuesday, 7 May 2013 07:38:04 UTC

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