RE: [XQuery] IfExpr should allow an optional else clause

> 
> For just this one expression, I agree - but if we went that 
> way, we should 
> do the same for other expression types, including FLWOR expressions. 
> Working this through...it seemed to make the language more cumbersome.
> 

I agree - since there are many ways a FLWR expression can start, it's
hard to come up with a closer that feels right.

Michael Kay