bug#70163: 29.3; hexl-mode incorrect docstring

[Eli Zaretskii]

> From: Andreas Schwab <schwab@linux-m68k.org>
> Cc: yantar92@posteo.net,  thievol@posteo.net,  monnier@iro.umontreal.ca,
>   70163@debbugs.gnu.org
> Date: Sat, 06 Apr 2024 17:05:18 +0200
> 
> On Apr 06 2024, Eli Zaretskii wrote:
> 
> > The reference to the map should not be in the middle of a sentence.
> 
> Why?  It's just a marker.

Because when it's expanded, it produces a complete sentence.