/usr/ is in libhugs-stm-bundled 98.200609.21-5.3.
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..
/usr/lib/
/usr/lib/hugs/
/usr/lib/hugs/packages/
/usr/lib/hugs/packages/stm/
/usr/lib/hugs/packages/stm/Control/
/usr/lib/hugs/packages/stm/Control/Sequential/
/usr/lib/hugs/packages/stm/Control/Sequential/STM.hs
/usr/lib/hugs/packages/stm/Control/Concurrent/
/usr/lib/hugs/packages/stm/Control/Concurrent/STM/
/usr/lib/hugs/packages/stm/Control/Concurrent/STM/TVar.hs
/usr/lib/hugs/packages/stm/Control/Concurrent/STM/TArray.hs
/usr/lib/hugs/packages/stm/Control/Concurrent/STM.hs
/usr/lib/hugs/packages/stm/Control/Monad/
/usr/lib/hugs/packages/stm/Control/Monad/STM.hs
/usr/lib/hugs/packages/stm/Paths_stm.hs
/usr/share/
/usr/share/doc/
/usr/share/doc/libhugs-stm-bundled/
/usr/share/doc/libhugs-stm-bundled/README.Debian
/usr/share/doc/libhugs-stm-bundled/copyright
/usr/share/doc/libhugs-stm-bundled/changelog.Debian.gz