> The only way that Theo can send the exact same string to a
> bunch of servers
> is if he knows that the string works on all those servers.
> One way he might
> know that is if he knows that they've agreed to a common
> profile. But,
> there's no way that he's going to get a single string to work on an
> arbitrary list of servers. None. Stop trying.
Going back over Theo's original proposal - I'm not even sure that it
would solve this anyway. As I understand it, it is the proposal that
server might return something "close" to what was requested rather than
an error. However, even if we allow this, given an arbitrary list of
servers some might do something which even Theo wouldn't regard as
useful or handleable by his client, and some might be written by Mike
and Rob, so would just return an error.
More seriously, we are straying onto metasearch requirements territory
here. I suspect that one of their requirements and a reason I suspect
that might give for not considering SRU/SRW is that they do expect a
single string to work on an arbitrary list of servers!