| 2.2. Identifiers can use small and large Unicode letters. 
| What about caseless scripts where letters are neither small 
| nor large? The description of module Char says: "For the 
| purposes of Haskell, any alphabetic character which is not 
| lower case is treated as upper case (Unicode actually has 
| three cases: upper, lower and title)". This suggests that the 
| only anomaly is that titlecase letters are considered 
| uppercase. But what is actually specified is that caseless 
| scripts can be used to write constructor names, but not to 
| variable names. I don't know how to solve this.

I am woefully ignorant of Unicode, and I have no idea what to do about
this
one.  I therefore propose to do nothing on the grounds that I might
easily
make matters worse.

Simon

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