Re: vc-modify-change-comment for "modern" backend fix

[Stefan Monnier]

> Ideally, this should get the actual commit message directly from the
> backend for a file / revision; but there is no good function for doing
> that -- vc-print-log is the closest, but the output of that depends on
> the backend.
> What would be the best way to go about getting just the commit message
> in a semi-backend-agnostic manner?

Add a new backend operation?

Note that maybe you don't want "just the commit message text" because
you may want to preserve extra info such as the `Author:`.


        Stefan