[Haskell-cafe] Richer (than ascii) notation for haskell source?

[Derek Elkins]

On Thu, 2008-05-15 at 14:40 +1200, Richard A. O'Keefe wrote:
> On 15 May 2008, at 2:34 pm, Brandon S. Allbery KF8NH wrote:
> > Hm.  Newer Unicode standard than the version supported by OSX and  
> > GNOME, I take it?  That's not so helpful if nobody actually supports  
> > the characters in question.  (My Mac claims 166CC is in an  
> > unassigned area, and no supplied font has the others.  It does at  
> > least acknowledge that the others should exist and are "letters".)
> 
> Whoops.  Sorry, typo.  166CC should have been 1D6CC.
> 
> I was actually looking at the Unicode 5.1 character data base,
> but the copy I keep on my own machine is the 4.0.0 version,
> and those mathematical symbols were there back in 4.0.0.
> 
> > I still suspect it would not be outside the pale to make λ a  
> > keyword.  We already have several, after all.
> 
> I'd rather not have to write \x as λ x with a space required after the  
> λ.
> I suspect that "λ is the lambda-symbol iff it is not preceded by any
> identifier character and is not followed by a Greek letter" might work.

λω. ...
λα. ...
λδ ε. ...