Haddock comments on imported entities
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Is there a way to add Haddock documentation to an entity in the module which exports it, rather than the one that declares it?

I've got a hidden module that declares a dozen types or so, and then another module which exports just the parts that the end-user is supposed to see. It would be logical to put the documentation in the exposed module rather than the hidden one. But I can't figure out how to do that...
