Yes, I guessed it would.

Actually logging all those discussions is a good idea: I will make a wiki page containing all the discussions I have with my wife, and then - at the start of a new discussion - I can redirect her to the wiki page. Problem solved, no energy wasted ;-) 

Okay, seriously OT...

Henning Thielemann wrote: 
On Tue, 16 Oct 2007, Peter Verswyvelen wrote:

  
Concurrent Clean uses the ~ symbol for unary negation. That's also a way
of fixing it.

Personally I could also live with allowing no space between the minus
sign and the number... If you leave a space, - becomes the subtract
operator.
    

Me seems, that this discussion came up several times:
  http://www.haskell.org/haskellwiki/Unary_minus