This is sorta like gnu source hightlight (but they are harder to create). 
This will export to .rtf .html exc.  Would be very nice features to have on
a csound editor under the export option. 

 
http://dexrowem.blogspot.com/2009/10/hilight-csound-source-highlighting.html
highlight syntax le 

(I have this hosted on google groups because of my hoster causing problems)