[IPP] Question about PWG 5100.7 and "document-format-details"

[IPP] Question about PWG 5100.7 and "document-format-details"

[IPP] Question about PWG 5100.7 and "document-format-details"

Michael Sweet msweet at apple.com
Thu Mar 17 21:09:03 UTC 2016


Smith,

> On Mar 17, 2016, at 5:00 PM, Kennedy, Smith (Wireless Architect) <smith.kennedy at hp.com> wrote:
> 
> Hello,
> 
> PWG 5100.7 defined the "document-format-details" attribute, and one of its children is "document-format".  There is also a "document-format" attribute, which is essential to the proper operation of IPP in general (filtering printer description attributes and so forth).  But the definition of "document-format-details" is ambiguous in situations where "document-format" is not a "packaging" format.
> 
> If "document-format" is not a packaging format, but is rather a conventional format such as "application/pdf" or "image/pwg-raster", and "document-format-details" is provided by the Client, but the "document-format" child of "document-format-details" doesn't match "document-format", what should the Printer do?


Given the lack of firm conformance requirements, the Printer is free to return client-error-attributes-or-values-not-supported or successful-ok-ignored-or-substituted-attributes, or to ignore the value completely and just return successful-ok. (any of those is allowed by 2911)

_________________________________________________________
Michael Sweet, Senior Printing System Engineer

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