bug#19101: 25.0.50; vc-print-log puts wrong buffer into log-view-mode

[Eli Zaretskii]

> From: Ivan Shmakov <ivan@siamics.net>
> Date: Wed, 19 Nov 2014 16:51:13 +0000
> 
>  >> This is likely to be caused by VC assuming that the ‘print-log’
>  >> backend function leaves the log buffer as the current one.
> 
>  > No, it's because Stefan moved the call to pop-to-buffer so that the
>  > part that turned on the mode was running in the wrong buffer.
> 
>       ACK, but that change seem to be dated 2014-11-05, while I’ve
>       observed a similar issue (with non-Emacs code, though) before.
>       Or so I think.

The problem reported in this bug started happening on 2014-11-05.

>  > As for print-log backend function, those that I saw run inside
>  > with-temp-buffer, so they don't switch buffers.
> 
>       There’re several which use vc-setup-buffer, which in turn calls
>       set-buffer.

But no one relies on that.