Answering the initial question by Krasimir:
* Have you used the existing FilePath module and what do you think about it? Do you found it useful? Have you made any significant bugfixes or extensions to it?
Yes. I use it in my FFI packaging utility (which is work in progress). I found it useful at least because Cabal uses the same, and my program needs interoperability with Cabal, so file paths represented the same way as Cabal uses them are of benefit to me. Side note. By the way, Network.URI has its uriPath component as a String. Having FilePath same as String just makes it easier to construct a "file://" schemed URI for a local file. If however it is decided that FilePath is represented by something other than a String then URI will need this change in uriPath too, won't it? -- Dimitry Golubovsky Anywhere on the Web