/usr/ is in libghc-fb-doc 0.14.8-1build7.
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/usr/lib/
/usr/lib/ghc-doc/
/usr/lib/ghc-doc/haddock/
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/usr/lib/ghc-doc/haddock/fb-0.14.8/fb.haddock
/usr/lib/ghc-doc/hoogle/
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