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Re: blank-mode.el

From: Jason Rumney
Subject: Re: blank-mode.el
Date: Wed, 14 Nov 2007 00:19:00 +0000
User-agent: Thunderbird 2.0.0.6 (Windows/20070728) 
Juri Linkov wrote:
> (char-displayable-p ?\u21B5)
>
> returns when ?\u21B5 is displayed as an empty rectangle box:
> "-Misc-Fixed-Medium-R-SemiCondensed--12-110-75-75-C-60-ISO10646-1"
>
> returns when ?\u21B5 is displayed normally as an arrow:
> "-Misc-Fixed-Medium-R-SemiCondensed--13-120-75-75-C-60-ISO10646-1"
>   

In emacs-unicode-2, it might be possible to return character granularity
results with at least some font backends.
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