bug#6755: 24.0.50; Customize buffer is too wide. Put doc string on separate line.

[Eli Zaretskii]

> From: Mauro Aranda <maurooaranda@gmail.com>
> Date: Sun, 22 Sep 2019 14:24:06 -0300
> Cc: Drew Adams <drew.adams@oracle.com>, Lars Ingebrigtsen <larsi@gnus.org>, 
> 6755@debbugs.gnu.org
> 
> > I also don't see how filling of any kind can make the situation better
> > when the textual description is too long.
> 
> OK.  FTR, I ask everyone to ignore the patch I sent, please.

Thanks for working on this, regardless.