RegTAP service discovery queries

[Mark Taylor]

Dear Registry,

some of the recommended queries (Section 10) in PR-RegTAP-1.1
have changed since REC-RegTAP-1.0, in particular the the standard
service search constraints

   "intf_role='std'" instead of "intf_type='vs:paramhttp'"

and changes to standard_id matching, e.g.

   "standard_id LIKE 'ivo://ivoa.net/std/sia%'" instead of
   "standard_id='ivo://ivoa.net/std/sia'"

I want to know whether I should make corresponding changes to the
RegTAP queries made by TOPCAT; such queries are used to discover
Cone, SIA, SSA, TAP (sometimes) and RegTAP services.

If I makes such changes is it going to improve my query results?
Might it break anything?  Should I only use these altered forms
when talking to RegTAP 1.1 services?  Are there any RegTAP services
out there which are not (or don't behave in relevant respects like)
RegTAP 1.1?  Should I wait until RegTAP 1.1 is in REC?  Are there
any other things I should worry about here?

Thanks!

Mark

--
Mark Taylor   Astronomical Programmer   Physics, Bristol University, UK
m.b.taylor at bris.ac.uk +44-117-9288776  http://www.star.bris.ac.uk/~mbt/