> I do NOT want to call everything DC.
> For clients accessing unknown servers there is currently no
> way to tell
> that a record schema as mentioned in explain is a DCAP based record
> schema. If there is a scheme X containing DC plus an element Y,
> applications will not be able to "realise" that 99% of the
> metadata of X
> can be used in their stylesheets.
It doesn't need to as there is a means for a client to request just the
DC components of schema X without any additional Y elements - namely to
request a DC record.