[IPP] Envelope Media Extension Testing

[IPP] Envelope Media Extension Testing

Michael Sweet msweet at msweet.org
Wed Aug 19 23:09:45 UTC 2026


Charles,

The pwg.org issue tracker is only for numbered documents.  There is currently no way to track issues/errata for IPP registrations.


> On Aug 19, 2026, at 5:18 PM, Charles Armstrong <carmstrong at cusa.canon.com> wrote:
> 
> Hi Mike,
> Following up on our recent discussion regarding the errata for the IPP Envelope Media Extensions.
> I noticed this item is not listed on the PWG issue tracker. (https://www.pwg.org/dynamo/issues.php?L). Should I expect to see it added there, or is it being tracked through a different process? I just want to ensure I'm looking in the right place. 
> Thanks
> Charles
> 
> 
> On Thu, Aug 28, 2025 at 9:32 AM Charles Armstrong via ipp <ipp at pwg.org> wrote:
> Email was not sent from a Canon Network!
> 
> Thank you, Mike, I appreciate you adding this to your to-do list.
> 
> -----Original Message-----
> From: Michael Sweet <msweet at msweet.org>
> Sent: Thursday, August 28, 2025 6:41 AM
> To: Charles Armstrong <carmstrong at cusa.canon.com>
> Cc: PWG IPP Workgroup <ipp at pwg.org>
> Subject: Re: [IPP] Envelope Media Extension Testing
> 
> Email was not sent from a Canon Network!
> 
> Charles,
> 
> > On Aug 27, 2025, at 8:03 PM, Charles Armstrong <carmstrong at cusa.canon.com> wrote:
> >
> > Hi Mike,
> > Thanks for your guidance on the envelope issue; swapping the x- and
> > y-dimension values on certain attributes fixed the problem on macOS and iOS However, it did bring up something that's a bit confusing. The way the media-size names are formatted (like jpn_you4-long-flap_235x105mm) seems to imply a landscape orientation, but the actual x-dimension and y-dimension values in the attributes need to be in portrait format for it to work.
> > Since this isn't spelled out in the spec, we think it would be really helpful to update the IPP Envelope Media Extensions spec to clearly state that the dimensions must always be ordered in portrait mode in those IPP attributes.
> 
> Sigh... I will add this to my TODO list to do an errata update of the (now published) registration...
> 
> ________________________
> Michael Sweet
> 
> _______________________________________________
> ipp mailing list
> ipp at pwg.org
> https://nam12.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.pwg.org%2Fmailman%2Flistinfo%2Fipp&data=05%7C02%7Ccarmstrong%40cusa.canon.com%7C5aff462c37b94635b49d08dde6508def%7C5132013a1c8d4f879f4d43110f5bc07b%7C0%7C0%7C638919955854934360%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=IoApHFMFkqoICFxOQ7ISKqrOG8WdHV41Nb4il%2BGs%2BKo%3D&reserved=0

________________________
Michael Sweet



More information about the ipp mailing list