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What exactly does 'keep lilypond open' mean in this context? It just runs once, sprouts a pdf and then stops. That's why I can't understand what else would be running unless we have a memory leak somewhere?
LilyPad is as far as I can see a very lightweight editor (and much easier to use than bother with mucking about with plug ins for things like Smultron which just got in the way).
You leave LilyPad alone! :P She's done me proud and I wouldn't use anything else on a Mac (thanks to whoever came up with that BTW).
:)
James
Very much like lilyPad I built a simple lilypond editor and added syntax coloring. You may want to download it and try it
-Marc