Hi
C:\program files\common files\foo-1.0\mylibdata.txt
Eek. The purpose of Common Files is for things that are shared between multiple programs, not for things that might move. Having C:\Program Files\Haskell\Fixed would be a lot better than polluting a directory that really should have been killed ages ago.
where should documentation go?
C:\program files\haskell\doc\html\foo\index.html C:\program files\haskell\doc\html\foo\foo.haddock
Anywhere you want, users will never find it without a shortcut on the start menu or some UI in their interpreter. Users should not be prodding around in Program Files, and in default Windows installs its hidden and you have to click a message "i really know what i'm doing" to see inside it.
However, making libraries data files relocatable is not a simple task, so don't complain about the C:\program files\common files\foo-1.0 \mylibdata.txt anomaly unless you have a good suggestion :-)
... text deleted since I don't have a good suggestion :-) ... Thanks Neil