[Haskell-cafe] Comment Syntax

[Guy]

On 03/06/2011 12:01, Malcolm Wallace wrote:
> I believe the motivating example that persuaded the Language Committee to allow these symbols was
>       -->
> which is not of course used anywhere in the standard libraries, but is an extremely nice symbol to have available in user code.

Seeing as no library actually defines such a symbol, is it worth forcing an extra space into comments? --| and --^ would 
be an extremely nice symbols for haddock comments.