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Re: [css-text] letter-spacing tests

From: John Hudson <tiro@tiro.com>
Date: Fri, 10 Oct 2014 11:01:30 -0700
Message-ID: <54381EFA.2000700@tiro.com>
To: Richard Ishida <ishida@w3.org>, W3C Style <www-style@w3.org>, www International <www-international@w3.org>, indic <public-i18n-indic@w3.org>
On 10/10/14 1:08 AM, Richard Ishida wrote:

> It appears that browsers generally take glyphs as the basis from which
> to apply the letter-spacing, rather than starting with characters, and
> the end result is therefore usually incorrect for non-latin cases, and
> highly font-dependent.

Yes. In Arabic layout in particular, a lot of assumptions are made 
regarding the use of ligature glyphs, with the result that fonts made in 
different ways will behave very differently in situations that involve 
adjustments to line spacing (not only letterspacing, but also tatweel 
justification).

JH
Received on Friday, 10 October 2014 18:02:07 UTC

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