> Of course, you see "a diff", not "the diff", because there is no "the diff" 10–15 years ago when I cared about this sort of thing and I was unhappy with the

> Of course, you see "a diff", not "the diff", because there is no "the diff" 10–15 years ago when I cared about this sort of thing and I was unhappy with the way that Mercurial diffed two sets of files, I'd take steps just before submitting a patch to edit it by hand so both I and the reviewer had a clearer picture that matched the actual change I was making, in contrast to some goofy-looking and confusing insertion/deletion combo keyed off an arbitrary closing brace or whatever.