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

[Eli Zaretskii]

> Cc: manuel@ledu-giraud.fr, 50572@debbugs.gnu.org
> From: Dmitry Gutov <dgutov@yandex.ru>
> Date: Wed, 15 Sep 2021 14:37:14 +0300
> 
> On 15.09.2021 14:22, Eli Zaretskii wrote:
> >> Cc:50572@debbugs.gnu.org
> >> From: Dmitry Gutov<dgutov@yandex.ru>
> >> Date: Wed, 15 Sep 2021 13:41:57 +0300
> >>
> >> Now, the change in vc-responsible-backend might seem controversial, as
> >> it decreases customizability and performance (a bit), but it was made a
> >> year ago, and we've received no substantial complaints. And there have
> >> been multiple reports (all linked) about the previous behavior.
> > That doesn't alleviate my worries, unfortunately.  Many people either
> > don't use VC or use it very "narrowly", so they never bump into these
> > rarely-used-but-very-useful features.
> 
> I don't think we have a better way of making that choice now than 
> waiting for more reports.

<Shrug> Well, you have mine.