bug#38044: 27.0.50; There should be an easier way to look at a specific vc commit

[Dmitry Gutov]

On 27.11.2019 1:06, Juri Linkov wrote:

> > (BTW, the print-revision approach seems better for graceful
> > degradation, but I'm tired of arguing for that).
>
> The print-log approach is not bad too:
> 'C-1 C-x v L' is mnemonic ("show me just 1 revision") and easy to type.

I mean the print-revision backend action (which can have a default 
impl). The user command could be separate, or it could be this one.

Anyway...

> > I think it would work, but for that all backends need support for
> > region-history-mode anyway. The caller function doesn't have a way to
> > check the lack of support.
>
> The new patch I sent now in another message
> checks if a backend supports region-history-mode.

Thanks, this looks better.