> Look at:
> http://www.loc.gov/z3950/agency/zing/srw.html
> Result Sets. It says:
> In each Search/Retrieve  response the server may include a result set
idle
> time value indicating a projected (not guaranteed) length of  time
that
> the
> result set will remain available if it is not referenced. 

Yes, but it doesn't necessarily imply that the idle time will be sent as
an offset from the operation or as a absolute time.

I take your point about not guaranteed though...

> We spent alot of time talking about this in July, and I thought it was
> fairly-well agreed.

We spent a lot of time discussing whether the idle time should be
present, not the way in which it would be specified.

I'll chalk you up as a vote for duration though ;-)

Matthew