Evident needs: indexing, storing, client tool for deployment.
Suggestions have been made to study how it has been done for Haskell [1] and D [2]
[1] http://hackage.haskell.org/
[2] http://code.dlang.org/
Without knowing how those have been done, I'd solve storage by pointing to concrete commits in open source repositories like github and bitbucket.
I guess ideas agreed upon could be transferred to the wiki part of the project.
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