#217 Haskell single-quotes mis-highlighted

[Anonymous]

Single quotes in Haskell may be used in character literals:

a = 'a'

They may also be used in names:

f' x = x + 5

In this second case, GeSHi mistakes the single quote as the start delimiter of a string and highlights the remainder of the code as a string. The `'` character should not trigger string highlighting unless it is immediately followed by a single character and another `'`.

I've attached images from the GeSHi demo showing the second broken case.

[Anonymous]

[Nobody/Anonymous]

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[Gábor Lipták]

Another example of the Haskell formatting issue at pastebin

http://pastebin.com/JuyaNLRp