Justin,
Fair enough, we do have use cases but will highlight for each of the attributes.
On Sep 6, 2013, at 12:53 PM, Justin Hutchings <justhu at microsoft.com> wrote:
> Thanks for your quick response, Mike. It might be worthwhile to articulate the rationale as to why these are required in the spec. I didn’t pick up on all that during my read through.
>> Thanks!
> Justin
>> From: Michael Sweet [mailto:msweet at apple.com]
> Sent: Friday, September 6, 2013 7:00 AM
> To: Justin Hutchings
> Cc: ipp at pwg.org; Ira McDonald; Paul Tykodi
> Subject: Re: [IPP] Microsoft has reviewed the IPP Transaction-Based Printing Extensions specification and has comments
>> Justin,
>> Thank you for your feedback! Quick comments inline...
>> On Sep 5, 2013, at 6:06 PM, Justin Hutchings <justhu at microsoft.com> wrote:
> - OpenXPS has a MIME type of application/oxps, not application/OpenXPS (http://www.iana.org/assignments/media-types/application/oxps)
>> Oops, will fix.
>>> - This spec appears to have a bunch of content which is completely unrelated to the transaction based printing. Why are we throwing these into what would otherwise be a very straightforward, to-the-point spec?
>> These have particular application to commercial print services and service discovery.
>> o Print-scaling-supported
> o Print-scaling-default
>> These provide control over the final imposition/scaling of the document data on the output media - important particularly for commercial print services.
>>> o Printer-dns-sd-name
>> This is used for service discovery; we need to have a way to configure the service name.
>>> o Printer-kind
>> This is used for service selection/filtering - again, if you are looking for a print service that supports the kind of document you are printing, you need this information.
>> (this is also part of the DNS-SD TXT record, but DNS-SD is not the only way to do discovery)
>>> o Jpeg-*
> o Pdf-*
>> These are used to inform the Client of limits for direct photo and PDF printing - having dealt with a lot of commercial print shops over the years, it is VERY important for the Client to be able to know whether they support a particular flavor of PDF or have limits in the maximum size/dimensions of print files.
>> _________________________________________________________
> Michael Sweet, Senior Printing System Engineer, PWG Chair
>> _______________________________________________
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_________________________________________________________
Michael Sweet, Senior Printing System Engineer, PWG Chair
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