Since Jitesh is currently writing an extremely interesting series of posts on diff and patch (1,2), I decided to pitch in with my contribution. Ediff is one of those things which make Emacs so much more than just an editor. It is an extremely convenient way of viewing differences in files / buffers / directories.. You get the point.
Following the teaching tradition I prefer, lets get our hands down and dirty, and figure out the theory along the way:
Step 2: (more…)