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Re: Shaping characters in upright orientation in vertical text flow

From: John Cowan <cowan@mercury.ccil.org>
Date: Tue, 17 Jan 2012 12:22:24 -0500
To: "Phillips, Addison" <addison@lab126.com>
Cc: Koji Ishii <kojiishi@gluesoft.co.jp>, "public-i18n-bidi@w3.org" <public-i18n-bidi@w3.org>, "'WWW International' (www-international@w3.org)" <www-international@w3.org>, John Daggett <jdaggett@mozilla.com>
Message-ID: <20120117172223.GD22859@mercury.ccil.org>
Phillips, Addison scripsit:

> 1. The thing being shaped "upright" should be a grapheme cluster. Note
> that this may not be a *default* grapheme cluster.
> 2. Upright should *mean* upright. It may not be a good idea to apply
> it to, for example, Arabic text, but what's the point of a style
> if it doesn't do what you ask it too? 

But what are you asking for?  Arguably a (non-default) grapheme cluster
in Arabic is any number of letters up to a non-joining or right-joining
character, inclusive.  That would just look silly in vertical mode.

Do what you will,                       John Cowan
   this Life's a Fiction                cowan@ccil.org
And is made up of                       http://www.ccil.org/~cowan
   Contradiction.  --William Blake
Received on Tuesday, 17 January 2012 17:22:56 GMT

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