bug#70163: 29.3; hexl-mode incorrect docstring

[Eli Zaretskii]

> From: Stefan Monnier <monnier@iro.umontreal.ca>
> Cc: thievol@posteo.net,  schwab@linux-m68k.org,  70163@debbugs.gnu.org
> Date: Sun, 07 Apr 2024 10:48:11 -0400
> 
> >> > What is "the more appropriate place", and how will you find it, given
> >> > that some doc strings are auto-generated, either in part or in full?
> >> Right after the next \n ?
> > That could be in the middle of a sentence.
> 
> Then insert at point if (and (bolp) (not (bobp)))?

But that again could be in the middle of a sentence.

Shouldn't we look for the end of the sentence, and insert after that
instead?  Or what am I missing?