GNU bug report logs - #21822
25.0.50; emacs_backtrace.txt

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From: Drew Adams <drew.adams <at> oracle.com>
To: Eli Zaretskii <eliz <at> gnu.org>, Drew Adams <drew.adams <at> oracle.com>
Cc: lekktu <at> gmail.com, 21822 <at> debbugs.gnu.org, jwiegley <at> gmail.com
Subject: bug#21822: 25.0.50; emacs_backtrace.txt
Date: Wed, 4 Nov 2015 11:08:40 -0800 (PST)

> It's a nice program that can display any character you want, and also
> can analyze font coverage on your system.
> http://www.babelstone.co.uk/Software/BabelMap.html

Yes, I saw that.  I can't get to it from behind the company firewall, as that site is flagged as having a history of security problems.  Might try it later, outside the firewall.

> It's the best way I know of to find out which fonts Emacs might have
> tried to use for displaying that character.  Armed with that
> knowledge, I might be able to reproduce your crash and fix it.

OK.

> > Shouldn't it be enough to know that Emacs crashed when given
> > a char that it cannot show in the given font?  I didn't choose
> > the font - emacs -Q chose it.
> 
> The fonts Emacs choses depend on the fonts available on your system.
> I cannot know which fonts you have that cover this character, and
> Emacs doesn't crash for me (nor for Juanma) when we try your recipe.
> 
> Assuming you do want the reason for this crash be identified and
> fixed, please help us by providing the information I asked for.

Understood.

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