data/haskell-ixset-typed-0.5/src/Data/IxSet/Typed.hs:617: occurences ==> occurrences
data/haskell-ixset-typed-0.5/src/Data/IxSet/Typed.hs:631: occurences ==> occurrences
data/haskell-ixset-typed-0.5/tests/Data/IxSet/Typed/Tests.hs:237: lengh ==> length
data/haskell-ixset-typed-0.5/tests/Data/IxSet/Typed/Tests.hs:239: lengh ==> length