[Haskell-cafe] not getting most general type - is this a bug in hugs?

[blaetterrascheln at web.de]

$ cat x.hs
rep0 :: Num a => [a]
rep0 = repeat 0
rep0' = repeat 0
$ hugs x.hs
...
Main> :t rep0
rep0 :: Num a => [a]
Main> :t repeat 0
repeat 0 :: Num a => [a]
Main> :t rep0'
rep0' :: [Integer]        -- WHAT??
Main> :version
-- Hugs Version Nov 2002

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