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

From: Eli Zaretskii <[email-masked]>
Date: Sun, 12 Apr 2020 20:24:44 +0300

> 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.