Re: Show unsaved changes (as diff)

[David Kastrup]

Florian Lorenzen <lorenzen@physik.fu-berlin.de> writes:

> Hello,
>
> I have a very innocent question, I'm sorry that I could not figure out
> the answer myself: is there a quick way to ask Emacs to show the
> unsaved changes in a file's buffer as a diff? Sometimes, I attempt to
> kill a bufer and Emacs asks me if I want do discard the changes. As my
> memory is very weak sometimes, I cannot recall what I had changed and
> if this was important in any way. So, I'd simply like to see what I'd
> throw away. Of course, I can copy the file's buffer's content to a new
> buffer, revert the file's buffer and make a diff on these two. But is
> there something ready-made for this kind of situation, like M-x
> show-unsaved-changes?

M-x diff-buffer-with-file RET

-- 
David Kastrup, Kriemhildstr. 15, 44793 Bochum