Re: [PATCH 2/3] mergetool-lib: specialize xxdiff options when in diff mode

David Aguilar, 02.04.2009:

We don't need '-merged-file', 'save as', and the merge-status exit
code when in diff mode

I guess the same as for xxdiff and kdiff3 also applies to opendiff,
ecmerge and emerge. But since I don't have them installed, I'm not
entirely sure not to break something.
On the other hand it should be save, since they were just copied from
git-mergetool without adjustment for diff use.

Markus