Michael,
I think there is a cut and paste bug in the new Set-Job-Attributes operation
description.  From the .pdf file that I down-loaded:
4.3 Set-Job-Attributes Operation
The Set-Job-Attributes operation (0x0002) prints a file. 
It looks like you copied it from the Print-Job section.
Now that we have published a spec with the operation id assigned for
Set-Job-Attributes, I see no reason why you couldn't use it:
0x0014
Tom
-----Original Message-----
From: Michael Sweet [mailto:mike@easysw.com]
Sent: Monday, March 13, 2000 11:51
To: IPP Mailing List
Subject: IPP> ANNOUNCEMENT: Common UNIX Printing System 1.1b2
The 1.1b2 release of the Common UNIX Printing System
("CUPS") is now available for download from the CUPS web site
at:
CUPS 1.1b2 is the second beta release for CUPS 1.1 which adds
a new PostScript RIP based on GNU GhostScript 5.50, many new
directory service features, and several fixes in the source
code distribution.  Currently only source distributions are
being provided.
Changes in v1.1b2 include:
        - Documentation updates.
        - The lp command didn't always load the user-defined
          destinations, preventing it from seeing the default
          printer.
        - Many configure script and makefile fixes.
        - The Microsoft code page files were missing from the
          distribution.
        - Added a workaround for the HP IPP client (which is
          sending an invalid printer-uri in requests)
        - Fixed the encoding of text-with-language and
          name-with-language to match the IPP spec.
        - Added support for unknown value tags in the IPP
          routines (previously they would be ignored)
        - Integrated GNU GhostScript 5.50 into the pstoraster
          filter.
        - Client hostname resolution was broken on little-endian
          machines.
        - Now look at client.conf file for client's default
          server and printer.
        - The cupsServer() function did not close the
          client.conf file if it contained a ServerName
          directive.
        - Added BrowseAllow, BrowseDeny, BrowseOrder,
          BrowsePoll, and BrowseRelay directives.
        - BrowseInterval 0 disables advertising of local
          printers, but still receives information on remote
          printers.
        - New browse polling daemon (for polling servers on
          different networks)
        - New PPD cache file for faster startup times with large
          numbers of PPD files.
        - The Host: field was incorrectly required for HTTP/1.0
          clients.
        - New set-job-attributes operation now supported.
        - The mime_load_types() and mime_load_convs() functions
          did not close their input files.
-- ______________________________________________________________________ Michael Sweet, Easy Software Products mike@easysw.com Printing Software for UNIX http://www.easysw.com
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