>> If an SRU service delivers this records conforming to this profile,
>> the client might like to know that the particular record schema
>> (dcx) conforms to Qualified Dublin core, the DC Library Application
>> profile, BLAP and perhaps BLAP-S.

>OK.  So it sounds to me like the BLAP-S profile includes a BLAP-S
>schema as part of its specifications, and that what you really the
>client to know is that it can ask for BLAP-S records?  If that's
>right, then ZeeRex already gives servers a way to advertise the
>availability of BLAP-S records, and client a way to ask for them.

Or, if it doesn't, then you can say that you support the profile with:

  <supports type="profile">BLAP-S</supports>