Improved documentation for Foreign.Concurrent (#12547)
Improved documentation for Foreign.Concurrent (#12547)

We had better docs for the underlying functions in GHC.ForeignPtr, but
this wasn't propagated to the re-exported versions in
Foreign.Concurrent.

shlevy/ghc,ezyang/ghc,olsner/ghc,mettekou/ghc,olsner/ghc,snoyberg/ghc,snoyberg/ghc,ezyang/ghc,olsner/ghc,olsner/ghc,sdiehl/ghc,snoyberg/ghc,sdiehl/ghc,shlevy/ghc,ezyang/ghc,sdiehl/ghc,shlevy/ghc,mettekou/ghc,olsner/ghc,sdiehl/ghc,ezyang/ghc,shlevy/ghc,mettekou/ghc,olsner/ghc,sdiehl/ghc,mettekou/ghc,mettekou/ghc,shlevy/ghc,snoyberg/ghc,sdiehl/ghc,snoyberg/ghc,mettekou/ghc,ezyang/ghc,shlevy/ghc,mettekou/ghc,shlevy/ghc,snoyberg/ghc,olsner/ghc,ezyang/ghc,sdiehl/ghc,snoyberg/ghc,ezyang/ghc