GNU bug report logs - #28535
25.2; Composed charater colon slows down Emacs performance while you in buffer with this character

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From: Eli Zaretskii <eliz <at> gnu.org>
To: Oleksandr Gavenko <gavenkoa <at> gmail.com>
Cc: 28535 <at> debbugs.gnu.org
Subject: bug#28535: 25.2; Composed charater colon slows down Emacs performance while you in buffer with this character
Date: Thu, 21 Sep 2017 20:18:51 +0300

> From: Oleksandr Gavenko <gavenkoa <at> gmail.com>
> Date: Thu, 21 Sep 2017 20:06:47 +0300
> Cc: 28535 <at> debbugs.gnu.org
> 
>  Great, then I guess this bug can be closed?
> 
> Yes.

Done, thanks.

> Though I prefer to set:
> 
> (set-fontset-font nil 'symbol "DejaVu Sans Mono-10:antialias=none")

There's no end to customizing font sets, and no single font satisfies
everyone.  We had to stop somewhere and leave the rest to local
customizations.

> For example it is very surprising to see specific font for drawing boxes:
> 
> ;; Box Drawing and Block Elements
> (set-fontset-font "fontset-default" '(#x2500 . #x259F)
> '("FreeMono" . "iso10646-1") nil 'prepend)

That's for GNU/Linux systems, as this font is widely available there,
and covers well this range of characters.

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