[IPP] Envelope Media Extension Testing

[Charles Armstrong]

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
>
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