bug#23594: 25.0.94; Display errors on Linux tty

[Eli Zaretskii]

> Date: Sat, 21 May 2016 19:01:10 +0000
> Cc: 23594@debbugs.gnu.org
> From: Alan Mackenzie <acm@muc.de>
> 
> > This bug exists since we started showing the 'decomposition' of
> > characters in Emacs 24.1.  With LF, we send a literal LF character to
> > the screen.
> 
> OK.  The next question is is it easy to fix?

Yes.  We should not send control characters to that buffer.