GNU bug report logs - #23291
25.0.92; Inserting unicode in buffer requiring a different font slows down Emacs

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Message #16 received at 23291-done <at> debbugs.gnu.org (full text, mbox):

From: Eli Zaretskii <eliz <at> gnu.org>
To: Philippe Crama <phcrama.work <at> gmx.com>
Cc: 23291-done <at> debbugs.gnu.org
Subject: Re: bug#23291: Workaround for "25.0.92;
 Inserting unicode in buffer requiring a different font slows down
 Emacs"
Date: Fri, 15 Apr 2016 17:16:36 +0300

> Date: Fri, 15 Apr 2016 15:17:16 +0200
> From: Philippe Crama <phcrama.work <at> gmx.com>
> 
> > Try installing Symbola, that's what Emacs uses on my system for that
> > character.
> 
> 1. downloaded Symbola from http://users.teilar.gr/~g1951d/
> 2. added this code to my .emacs.d/init.el file:
> (let ((unicode-fallback "Symbola"))
>   (when (x-list-fonts unicode-fallback)
>     (set-fontset-font "fontset-default"
>                       'unicode
>                       (font-spec :name unicode-fallback))))

Did you really need that addition?  Emacs 25 should use Symbola by
default (if available) for the Unicode block of characters that
includes u+2467 CIRCLED DIGIT EIGHT.  Perhaps you customized
fontset-default to countermand that?

> And my problem was solved.  Now the font used for CIRCLED DIGIT EIGHT
> is -outline-Symbola-normal-normal-normal-serif-13-*-*-*-p-*-iso8859-1
> 
> Thanks, Eli!

Thanks, I'm closing this bug.

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