/usr/ is in libghc-postgresql-libpq-prof 0.9.1.1-3.
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/usr/lib/haskell-packages/ghc/
/usr/lib/haskell-packages/ghc/lib/
/usr/lib/haskell-packages/ghc/lib/x86_64-linux-ghc-7.10.3/
/usr/share/
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/usr/lib/
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/usr/share/doc/libghc-postgresql-libpq-prof/changelog.Debian.gz