bug#50572: 28.0.50; [PATCH] fix VC to find the responsible backend with the most specific path.

[Dmitry Gutov]

On 15.09.2021 14:20, Eli Zaretskii wrote:
> > I don't know what the manual says, but vc-next-section's signature calls
> > the prefix argument's value VERBOSE, and vc-register doesn't have a way
> > to trigger backend-prompting either. So it might be difficult to add
> > that feature in a backward-compatible manner.
> We could use a different arg value, for example "C-u" will do one
> thing and "C-u C-u" another.  There's precedence for that.

That's an option, yes.

We can also look into whether "verbose" applies to the "register" step 
of vc-next-action, and if not, or it doesn't conflict, add 
"switch-backend" feature to it.

If, like you said, the manual says 'C-u' will do this for all commands, 
it wouldn't be great to have to use different prefixes for different 
commands. But an escape hatch is better than no escape hatch, of course.