Subject: bug#40576: call-process-region does not accept nil as first argument

From: Philipp Stephani <[email-masked]>
Date: Sun, 12 Apr 2020 19:37:07 +0200

Am So., 12. Apr. 2020 um 19:25 Uhr schrieb Eli Zaretskii <[email-masked]>:
>
> > From: Philipp Stephani <[email-masked]>
> > Date: Sun, 12 Apr 2020 19:07:59 +0200
> > Cc: Pietro Giorgianni <[email-masked]>, [email-masked]
> >
> > We should rather explicitly call out in the docstrings that buffer
> > restrictions are ignored.
>
> But the restrictions aren't ignored.  They are only ignored if START
> is nil.  That makes no sense.

I completely agree that it doesn't make sense. I'm just saying that
the behavior has been there for so long that we realistically can't
change it any more.