Re: prefix argument for diff-mode C-c RET a

[Juri Linkov]

>> I remember that while implementing 'diff-revert-and-kill-hunk',
>> we added a new argument 'reverse' to 'diff-apply-buffer'.
>> Does its semantics differ from the 'reverse' argument
>> of 'diff-apply-hunk'?
>
> I believe the semantics are the same.
>
>> Or we could just add "P" to its interactive spec?
>
> (interactive (list nil nil t)) I think.

Probably (interactive (list nil nil current-prefix-arg))

Or even better to take into account region boundaries
on '(use-region-p)' like in other diff-mode commands.

> Let me know if this sounds fine and I can action it.

I agree, this would be nice to have.