RE: DATATYPES: mental dump.

> > The X proposal is incompatible with all current usage as it 
> requires 
> > all literals to be replaced with URVs. 

Actually no. It doesn't require it, even if it does advise it.

And apologies for not getting the summary out
sooner. URV's are a useful component of the X proposal, but
not the heart of it.

Have a look at my posting today, and let me know what you
think.

Patrick