> The orthogonal question of whether it should be mandatory for any record
> to return a (SRW/SRU context) persistent id is probably better answered
> by considering whether there are any cases where this would not be
> applicable. My preference is that this sort of behaviour should be
> better in an application context/profile.
I can't do this for a good deal of my data. Neither could Google, Slashdot
or a lot of other content providers.
A profile is the correct (IMO) place for it.
Rob
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