If you want to see the code in a Web browser window (not even use DrRacket as a helper program launched from the browser for a Racket MIME type), then I like Robby's suggestion of how to use Scribble.

You might have to see whether the parts of Scribble you need are fast enough to format on-the-fly for a responsive Web interface, or whether you need to precompute that.

If all else fails, writing a simple syntax colorer from scratch is a small task, so long as you don't need symbol/ident information other than a small fixed set of what are "the keywords". You could make this task an extra-credit homework problem for students. :)


Robby Findler wrote at 03/18/2011 03:00 PM:
Not to be too ludditian, but why not just pull it up in drracket in class?

If not, I guess you could put together a script that stuck (racketblock ...) 
around everything or the module-enhanced variant, which makes it into a 
scribble file and then run scribble --html on that.

--
http://www.neilvandyke.org/
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