Unknown option -XPatternSig used in warning

[Bas van Dijk]

On 9/19/07, Wolfgang Jeltsch <g9ks157k at acme.softbase.org> wrote:
> You should use {-# LANGUAGE PatternSigs #-}

That should be: {-# LANGUAGE PatternSignatures #-}

It would indeed be better if GHC could print "Use LANGUAGE pragma with
extension..." like Wolfram mentioned.

Bas