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294119 (38) [Avatar] Offline
The author is intending to limit the Int -> Char to Chars between 0 and 255 in the following intToChar function:

intToChar :: Int -> Char
intToChar int = toEnum safeInt
where safeInt = int `mod`255

Shouldn't safeInt = int `mod` 256 to allow the possibility of the Char corresponding to 255?

If it should be 256, the discussion text preceeding the Listing should also be updated.