bug#19023: 24.4; Long pause when evaluating numeric expression

[Eli Zaretskii]

> From: Gareth Rees <gdr@garethrees.org>
> Date: Tue, 11 Nov 2014 20:01:08 +0000
> 
> In GNU Emacs 24.4.1 (x86_64-apple-darwin13.4.0, NS apple-appkit-1265.21)
> of 2014-10-20 on builder10-9.porkrind.org
> 
> In a fresh emacs -Q, if I type:
> 
>     M-: 1000000 RET
> 
> there is a pause of about 10 seconds before Emacs displays:
> 
>     1000000 (#o3641100, #xf4240)
> 
> I suggest that the length of this pause be reduced.

My crystal ball says that this pause is due to Emacs trying to locate
a font that can display a character whose codepoint is U+F4240.  In
which case, the pause is not n Emacs, it is in system libraries that
search the available fonts.