Printer Services Mail Archive: PS> FW: WBMM> Bug in PSI U

PS> FW: WBMM> Bug in PSI UnsupportedElements return

From: McDonald, Ira (imcdonald@sharplabs.com)
Date: Fri May 14 2004 - 11:40:01 EDT

  • Next message: McDonald, Ira: "PS> FW: For revision of PSI specification document (2004/01/13)"

    Oops - I sent to wrong address for PSI list.

    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@sharplabs.com

    -----Original Message-----
    From: McDonald, Ira [mailto:imcdonald@sharplabs.com]
    Sent: Thursday, May 13, 2004 11:08 AM
    To: 'psi@pwg.org'; 'wbmm@pwg.org'
    Cc: 'HALL,DAVID (HP-Vancouver,ex1)'; 'BERKEMA,ALAN C
    (HP-Roseville,ex1)'; 'Masanori ITOH'
    Subject: WBMM> Bug in PSI UnsupportedElements return
    Importance: High

    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@sharplabs.com



    This archive was generated by hypermail 2b29 : Fri May 14 2004 - 11:40:09 EDT