bug#37395: [PATCH v3] diff-mode.el: take into account patch separators

[Konstantin Kharlamov]

On Вт, окт 8, 2019 at 17:59, Lars Ingebrigtsen <larsi@gnus.org> 
wrote:
> Konstantin Kharlamov <hi-angel@yandex.ru> writes:
>
> > >  And the first doc string line should be a complete sentence.
> >
> >  Sorry, I'm not sure I get it: do you want me to keep the
> >  "git-format-patch." text on the first line, with the rest of the
> >  sentence?
>
> If that doesn't make the line too long.  Otherwise you have to rewrite
> the sentence.

Thanks, comments are addressed. That one too (I forgot to mention it in 
"v4" patch changes).