bug#57400: 29.0.50; Support sending patches from VC directly

[Philip Kaludercic]

Philip Kaludercic <philipk@posteo.net> writes:

> Eli Zaretskii <eliz@gnu.org> writes:
>
>>> Cc: 57400@debbugs.gnu.org
>>> From: Philip Kaludercic <philipk@posteo.net>
>>> Date: Wed, 05 Oct 2022 17:34:22 +0000
>>> 
>>> Here is an updated version of the patch:
>>
>> Thanks.
>>
>>> +@findex vc-prepare-patch
>>> +When collaborating on projects it is common to send patches via Email,
>>
>> I think "email" should not be capitalized.
>
> Done too.
>
>>> ++++
>>> +*** New 'vc-prepare-patch' command.
>>
>> "New command 'vc-prepare-patch'."
>
> Also done.

Any comments on the updated patch?  Should I push it?  The additional
keybindings can be resolved later.