/usr/ is in libghc-haskelldb-hdbc-odbc-prof 2.1.2-3build1.
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..
/usr/lib/
/usr/lib/haskell-packages/
/usr/lib/haskell-packages/ghc/
/usr/lib/haskell-packages/ghc/lib/
/usr/lib/haskell-packages/ghc/lib/haskelldb-hdbc-odbc-2.1.2/
/usr/lib/haskell-packages/ghc/lib/haskelldb-hdbc-odbc-2.1.2/ghc-7.6.3/
/usr/lib/haskell-packages/ghc/lib/haskelldb-hdbc-odbc-2.1.2/ghc-7.6.3/libHShaskelldb-hdbc-odbc-2.1.2_p.a
/usr/lib/haskell-packages/ghc/lib/haskelldb-hdbc-odbc-2.1.2/ghc-7.6.3/Database/
/usr/lib/haskell-packages/ghc/lib/haskelldb-hdbc-odbc-2.1.2/ghc-7.6.3/Database/HaskellDB/
/usr/lib/haskell-packages/ghc/lib/haskelldb-hdbc-odbc-2.1.2/ghc-7.6.3/Database/HaskellDB/HDBC/
/usr/lib/haskell-packages/ghc/lib/haskelldb-hdbc-odbc-2.1.2/ghc-7.6.3/Database/HaskellDB/HDBC/ODBC.p_hi
/usr/share/
/usr/share/doc/
/usr/share/doc/libghc-haskelldb-hdbc-odbc-prof/
/usr/share/doc/libghc-haskelldb-hdbc-odbc-prof/copyright
/usr/share/doc/libghc-haskelldb-hdbc-odbc-prof/changelog.Debian.gz