[Haskell-cafe] Re: [Parsec] Backtracking with try does not work for me?

On Mon, Jul 31, 2006 at 10:59:14AM +0200, Matthias Fischmann wrote a message of 89 lines which said:

try b <|> (return '-')

...

The (return 'x') is needed for type consistency.

OK, it works. Many thanks for the solution and the explanations.