Rama, one other comment/suggestion.
> I haven’t been able to fully work with Donald Knuth’s suggestion of > writing a Literate Program directly in a tool like orgmode/noweb since > it is a nuisance to keep having to type C-c ' to go into the editing > mode of the language concerned. while i have not much experience with it, you might look at the emacs packages polymode, poly-org, and poly-whatever-other-languages-you-use. it seems as if they might give you [C-c ']-like behavior when editing source blocks in line in an org mode buffer. (others who use polymode: does this make sense?) cheers, Greg
