Hi folks, Saturday (23 September 2006)
I've just posted a second draft of the PWG IPP Printer State Extensions
(PSX) specification on the PWG FTP server at:
ftp://ftp.pwg.org/pub/pwg/ipp/wd/wd-ippstate10-20060923.htmftp://ftp.pwg.org/pub/pwg/ipp/wd/wd-ippstate10-20060923.pdf
This draft is a major rewrite to capture the recent IPP WG concensus on
design alternatives:
(a) New values for the "printer-state-reasons" attribute for device
alerts already defined in the 'PrtAlertCodeTC' textual convention;
(b) New values for both the "printer-state-reasons" attribute and the
'PrtAlertCodeTC' textual convention for finishing subunit alerts;
(c) New attribute "printer-alert (1setOf octetString(MAX))" - to encode
all the machine-readable columnar objects from 'prtAlertTable';
(d) New attribute "printer-alert-description (1setOf text(MAX))" - to
encode the localized 'prtAlertDescription' columnar object.
For immediate review, comment on the IPP WG mailing list (ipp at pwg.org),
and discussion at next IPP WG Telecon on Thursday 28 September 11am EDT.
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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[Change Log]
23 September 2006 (v0.20)
- Changed document status from 'Initial' to 'Interim', per PWG
Process/2.0;
- Renamed document from 'IPP Printer State Reasons Extensions' to
'IPP Printer State Extensions' (new state attributes are defined);
- Renamed section 1.1 from 'Background' to 'Problem Statement' for
better alignment with project charter.
- Added formal definitions of 'IPP Client', 'IPP Printer', 'Printer MIB
Agent', and 'Printer MIB Client' protocol roles to section 2.2
'Printing Terminology', for unambiguous conformance requirements;
- Revised section 4 'Requirements' to align with new design requirements
and preferred design alternatives, per concensus of IPP WG;
- Renamed section 5 from 'IPP Printer Attribute Extensions' to
'IPP Printer Attributes' (new attributes are defined);
- Renamed section 6 from 'IANA Printer MIB Extensions' to
'IANA Printer MIB Textual Conventions' (no new objects are defined);
- Deleted section 5.1.1 'Severity Suffixes DEPRECATED' and replaced with
new section 5.1.1 'Severity Suffixes Interoperability', per comments
from Ted Tronson (Novell) and Michael Sweet (Easy Software);
- Added section 5.1.4 'New Printer State Reasons for Finishing Subunits'
that points to section 6.1.1 'New Alert Codes for Finishing Subunits'
- Deleted section 5.2 'printer-state-message(text(MAX))' and replaced
with new section 5.2 'printer-alert(1setOf octetString(MAX))',
per concensus of IPP WG;
- Deleted redundant prefix 'alert-' from all keywords defined for use in
"printer-alert" in section 5.2, e.g., changing 'alert-code' to 'code'
(no longer overloading general attribute "printer-state-message");
- Added new section 5.3 'printer-alert-description (1setOf text(MAX))',
per concensus of IPP WG;
- Deleted section 6.1 'PrtAlertGroupTC' and replaced with new section
6.1 'PrtAlertCodeTC', per concensus of IPP WG;
- Deleted section 6.1.1 'New Alert Groups for Finishing Subunits' and
replaced with new section 6.1.1 'New Alert Codes for Finishing
Subunits', per concensus of IPP WG;
- Revised section 9 'Internationalization Considerations' to reflect
new "printer-alert-description" attribute;
- Added new section 'Appendix A - Design Alternatives (Informative)', to
document the evolution of IPP WG concensus (i.e., the road not taken);
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