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

[Philip Kaludercic]

Philip Kaludercic <philipk@posteo.net> writes:

> Here is an updated version of the patch:

Another question is if `vc-prepare-patch' should be bound to a key or
not.  From what I see "C-x v p" appears to be free, which might be a
possible candidate.