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To: cygwin AT cygwin DOT com
From: Sebastien Vauban <sva-news AT mygooglest DOT com>
Subject: Re: Font support of UTF-8 chars differ between w32 Emacs and Cygwin Emacs
Date: Thu, 11 Sep 2014 12:21:56 +0200
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Achim Gratz wrote:
> Sebastien Vauban writes:
>> The problem would be with Cygwin in general, then, if not limited to
>> Emacs.
>>
>> But why the same fonts (Consolas, Lucida Console) don't display the same
>> range of characters in both worlds?
>
> You seem to assume that those fonts define that particular glyph.

Yes, I was.

> Both fonts you use as an example exist in multiple versions with
> differing UTF-8 support.  If they don't have that glyph (which is
> likely, given the results you report), then Emacs would try to get it
> from another font with the same dimensions (I don't know if mintty
> does font substitution and if so, how) and the results very much
> depend on the font maps used.

I didn't know about that mechanism. But, then, the question is: why does
Windows Emacs find a substitution, and not Cygwin Emacs (for the same
font)?

Best regards,
  Seb

-- 
Sebastien Vauban


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