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Perhaps even more importantly, Cloud9 is based on the ACE code editor (http://ace.ajax.org/) which, by itself, is a really phenomenal piece of work. When you look under the hood it's way more complex than you might imagine.

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I can tell you the node libraries I wrote for this release are very cool in their own right as well. See the c9 account on github for most of them. I'm especially proud of the vfs system.

I'm trying to extend ACE with syntax highlighting for a DSL we use. Has anyone done this? It seems a bit daunting (each language included with ACE seems to import code from all over the place--unlike say, Textmate, where you can just write an independent file for each language)

(BTW: New cloud9 looks really neat. Very impressive stuff)

I wrote a LaTeX syntax highlighter for it. I found the easiest thing was to copy and paste a simple one and build from there.

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