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[css-writing-modes-3] central baseline of text with 'text-orientation: upright'

From: Gérard Talbot <www-style@gtalbot.org>
Date: Wed, 27 Aug 2014 23:43:40 -0400
To: Koji Ishii <kojiishi@gluesoft.co.jp>, fantasai <fantasai.lists@inkedblade.net>
Cc: W3C www-style mailing list <www-style@w3.org>
Message-ID: <9cbd4235e881868a77a84d382efb4737@gtalbot.org>
Hello,

"
In vertical writing mode, the central baseline is used as the dominant 
baseline when text-orientation is mixed or upright.
"
http://www.w3.org/TR/css-writing-modes-3/#text-baselines

I do not understand how and why there can be a central baseline for text 
with 'text-orientation' set to 'upright'. How can this be?

This image

http://www.w3.org/TR/css-writing-modes-3/text-orientation-up.png

of vertical text in 2 line boxes has text-orientation set to upright.

Now, how can the baseline-alignment of glyphs be using the central 
baseline here?

Gérard
Received on Thursday, 28 August 2014 03:44:12 UTC

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