Re: Idea for C-x v u

[Jan Djärv]

Richard Stallman skrev 2011-06-27 15.06:

> Another idea is: if you have not made a diff since the last change in
> the buffer, give an error, "Please look at a diff using C-x v = before
> doing C-x v u".  It is more convenient for the user to make the diff
> with a separate command than to examine it inside of yes-or-no-p.
>
> Even if C-x v u does not make a diff, it should always call
> yes-or-no-p.

Why not a customize variable vc-show-diff-before-revert that takes values yes, 
no or ask?  Personally I'd set it to no.  When I revert, it is usually to get 
back to a sane state after inserting debugging code.  No need to see a diff of 
that.

        Jan D.