bug#23377: 25.0.93; Completion is extremely slow for insert-char

[Eli Zaretskii]

> Cc: "N. Jackson" <nljlistbox2@gmail.com>, 23377@debbugs.gnu.org,
>  Eli Zaretskii <eliz@gnu.org>
> From: Paul Eggert <eggert@cs.ucla.edu>
> Date: Tue, 26 Apr 2016 09:59:46 -0700
> 
> On 04/26/2016 09:04 AM, Drew Adams wrote:
> >> not display those ugly boxed and useless hexadecimal numbers,
> > They are not useless (and not particularly ugly).
> 
> 
> I don't know, they are not particularly helpful in my setup

They tell you what character was supposed to be displayed.

> and they're hard to read (see attached for a sample).

They aren't hard to read on my system.

> I had to wait maybe 20 seconds to get this screen, and it wasn't
> worth the wait.

The wait is because Emacs looks for suitable fonts, not because it
displays these boxes.