All,
I have posted an updated stable draft of the IPP 2.0, 2.1, and 2.2 specification to:
http://ftp.pwg.org/pub/pwg/ipp/wd/wd-ipp20-20150611.docxhttp://ftp.pwg.org/pub/pwg/ipp/wd/wd-ipp20-20150611.pdfhttp://ftp.pwg.org/pub/pwg/ipp/wd/wd-ipp20-20150611-rev.pdf
This update addresses all of the feedback from the June 1 IPP WG concall. I also looked into dateTime support for IPP/2.1 and /2.2, however there was never anything put into the original specification to require dateTime support, and I couldn't find anything in the mailing list archives or old minutes about it...
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Michael Sweet, Senior Printing System Engineer, PWG Chair