bug#15339: 24.3.50; Control characters are displayed as square in describe-char

[Eli Zaretskii]

> From: Andreas Schwab <schwab@suse.de>
> Cc: Xue Fuqiao <xfq.free@gmail.com>, 15339@debbugs.gnu.org
> Date: Thu, 12 Sep 2013 17:51:05 +0200
> 
> Eli Zaretskii <eliz@gnu.org> writes:
> 
> > That's not what I see, I see the TTY graphics for Form Feed (FF)
> > character, which is also correct.  This is on MS-Windows, where the
> > console font has a glyph for FF, which looks like ♀.
> 
> On a text terminal, the character is written literally, which messes up
> the display (FF has the effect of moving the cursor down).

Yes, I saw that also.