davidb dives in  various musings and babblings.  Switching to
Cocoa Emacs  | Comments  … from Carbon Emacs, That is. I pretty
much assume that if you aren’t already a dedicated Emacs user
you will just stick with TextMate Or TextWrangler, or whatever.
Anyway, did you even know that Cocoa Emacs existed? You may have
heard Of Carbon Emacs or Aquamacs, but WTH is Cocoa Emacs? It
turns out that with the final stable release of Emacs 23.1, it
came with a Cocoa native build option. Thus, Cocoa Emacs is Now
the standard, no-nonsense build of Emacs for OS X. So, how does
Cocoa Emacs compare to Carbon Emacs? It acts and feels mostly
the Same, although I think it looks a bit crisper and feels a
bit faster (which is probably an illusion). It is smaller on
disk (95 MB vs 157 MB), and, of course, it is based on a newer
version of Emacs Itself. It is The Future!  There are two things
that irritated me with Cocoa Emacs when I Switched:    1. Meta
is, by default, mapped to the option key. However, this is
easily fixed.   2.