bug#23009: 25.0.92; xterm-mouse-mode should not assume UTF-8 coordinates

[Eli Zaretskii]

> From: Philipp Stephani <p.stephani2@gmail.com>
> Date: Sat, 02 Apr 2016 19:10:45 +0000
> Cc: 23009@debbugs.gnu.org
> 
>  Ping!
> 
>  Philipp, can you try adding raw-text to that list, and see if the
>  result works correctly?
> 
> Yes, it works (unsurprisingly), I've attached a patch. 

Thanks.  Let's wait for a few more days, to let Handa-san an
opportunity to comment on that.