[Haskell-cafe] Unicode silliness

[David Turner]

On 13 July 2017 at 16:20, Clinton Mead <clintonmead at gmail.com> wrote:

> And also:
>
> > foo （›’-’）› bar = False
>
> should be
>
> > foo ›（’-’）› bar = False
>
> I'd suggest ensuring your code compiles without the unicode first, before
> trying to add the unicode symbols, so you can be sure it's the unicode
> causing the problem.
>


It does. This is fine:

> foo ?!?!?!? bar = False

It's the Unicode punctuation that isn't. Note that the things that look
like parentheses aren't ASCII parentheses, they're U+FF08 FULLWIDTH LEFT
PARENTHESIS and U+FF09 FULLWIDTH RIGHT PARENTHESIS, which are in classes Ps
and Pe respectively, and the code I linked to earlier seems to dislike
those classes.

Cheers,

David
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