Erik de Castro Lopo wrote:

>     let y = { a = 2 ; (* b and c filled in from x *) }
> 
> but I can't for the life of me remember the syntax.

And as soon as I post to the list, I suddenly remember:

     let y = { x with a = 2 }

Sorry for distrubing everyones weekend.

Erik
-- 
+-----------------------------------------------------------+
  Erik de Castro Lopo
+-----------------------------------------------------------+
"There is only a small difference between a strong atheist and 
a Christian: they agree on a very long list of gods that don't 
exist, and disagree about only one of them."