> Changing the namespace should be a 30 second tweak for most
> implementations, I would think?  But why bother, as that 
> guarantees the
> client/server interop issues, when we can just leave it alone?

There's no technical reason - however:

i) it isn't good practice to have a namespace which refers to two
different schemas (which is what we would have)
ii) it looks confusing to have a namespace for SRW 1.1, 1.2, 2.0...
which is of the form ...srw/1.0/

Matthew