>>> Common in a lot of other languages like SQL and Ada. FWIW.
>> I know Eiffel uses it. But then, Eiffel is weird.
> 
> That too. All the "readable" languages tend to use it, because it's how 
> you offset comments in English -- that is, if you have a comment to make.

TeX uses "--" to mean an N-dash, and "---" to mean an M-dash [which is 
the kind that ought to be used for seperating a comment].

Haskell being what it is, you can *probably* activate Unicode mode and 
use the actual Unicode character for an M-dash.

(I don't know if you know this, but Haskell can actually be written with 
Unicode symbols like arrays and stuff in place of the cheese ASCII-art 
everybody always uses...)

-- 
http://blog.orphi.me.uk/
http://www.zazzle.com/MathematicalOrchid*

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