WBMM> Bug in PSI UnsupportedElements return

WBMM> Bug in PSI UnsupportedElements return

WBMM> Bug in PSI UnsupportedElements return

McDonald, Ira imcdonald at sharplabs.com
Thu May 13 11:08:14 EDT 2004


Hi,

[Background - WIMS folks want to include UnsupportedElements
in the returns from most of their Operations and Actions - so 
we reviewed the PSI definition yesterday afternoon.]

PSI has the OPPOSITE behavior for elements which ARE supported
but have been supplied by the client with an unsupported VALUE.
PSI returns the element with the _new_ substituted value.

But - IPP/1.1 and the PWG Semantic Model/1.0 UnsupportedElements
return the element with the _old_ unsupported value (perhaps more
sensible, but less useful to the client).

Pete Zehler was on the WIMS telecon yesterday and agrees that
we should _fix_ this bug in PSI (because it's impossible to
write a print service gateway between the two different
behaviors).


WIMS folks also decided to define a second SubstitutedElements
return that has the _new_ value for client convenience (the
present mistaken behavior in PSI UnsupportedElements).

Cheers,
- Ira


Ira McDonald (Musician / Software Architect)
Blue Roof Music / High North Inc
PO Box 221  Grand Marais, MI  49839
phone: +1-906-494-2434
email: imcdonald at sharplabs.com



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