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Re: Pixel-based display functions

From: Eli Zaretskii
Subject: Re: Pixel-based display functions
Date: Sat, 31 Jan 2015 16:26:24 +0200

> From: Andreas Schwab <address@hidden>
> Cc: Alexis <address@hidden>,  address@hidden
> Date: Sat, 31 Jan 2015 14:25:48 +0100
> Eli Zaretskii <address@hidden> writes:
> > Thanks.  However, that's a 5000-line file, so could you be more
> > specific -- where do you use there more than one font for the same
> > Unicode block, and why?
> Even without set-fontset-font you can have various fonts for the same
> script.  For example, ㇀ is displayed with "-unknown-AR PL UKai
> CN-normal-normal-normal-*-14-*-*-*-*-0-iso10646-1", but 〿 uses
> "-Efont-Efont Biwidth-normal-normal-normal-*-16-*-*-*-d-80-iso10646-1".
> Both are cjk-misc.

OK, but if there's a small number of rarely-used scripts that are
exceptions from the rule, we could treat those exceptions specially,
by calling font-at there for every character.  If those are rare
enough, the slow-down will be insignificant, I think.

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