[ieure]

I just checked the breakdown with sloccount.

C: 20% ELisp: 78%

[sjs]

The parts that are written in C are mainly the lisp interpreter itself, and some windowing stuff. Unless you are doing something really strange you never need to dive into the C internals.

[ciniglio]

What's the last 2%?

[phob]

Python? http://pymacs.progiciels-bpi.ca/pymacs.html

[michaelcampbell]

"magic"... ;-)