Re: Registration of Chinese Media Size Names
Christoph Päper via ipp <[email protected]> Sun, 30 Nov 2025 15:20:25 +0000 (GMT)
| Newsgroups | gmane.ietf.ipp |
|---|---|
| Message-ID | <[email protected]> |
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Just for the record, the English Wikipedia article Paper size has a sectio=
n dedicated to those Chinese D sizes and notes that D0 through D6 are also=
known by power-of-two aliases 1K through 64K, although they differ from o=
ther traditional East-Asian paper sizes that hare those designations. I se=
e these size names at the IANA registry already, but the linked reference =
[IPP-20250919] < https://ftp.pwg.org/pub/pwg/ipp/registrations/vendor-ipp-=
20250919.txt > (which would be equivalent to the mail I am responding to) =
leads to a 404 error. I also noted that most references labeled [PWG5101.1=
] there lead to < https://ftp.pwg.org/pub/pwg/candidates/cs-pwgmsn21-20230=
915-5101.1.pdf >, while some still link to < https://ftp.pwg.org/pub/pwg/c=
andidates/cs-pwgmsn20-20130328-5101.1.pdf >. Michael Sweet via ipp <ipp@pw=
g.org>, 2025-09-19 22:26: The following registration template defines Chin=
ese media size names for D0 to D6 media defined in GB/T 148-1997 and the Z=
L envelope size defined in GB/T 1416-2021. Attributes (attribute syntax) K=
eyword Attribute Value Reference ----------------------- --------- media (=
type2 keyword | name(MAX)) [RFC8011] prc_d0_764x1064mm [IPP-20250919] prc_=
d1_532x760mm [IPP-20250919] prc_d2_380x528mm [IPP-20250919] prc_d3_264x376=
mm [IPP-20250919] prc_d4_188x260mm [IPP-20250919] prc_d5_130x184mm [IPP-20=
250919] prc_d6_92x126mm [IPP-20250919] prc_zl_120x230mm [IPP-20250919]
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<html><body><div><div><div>Just for the record, the English Wikipedia article <a href=3D=
"https://en.wikipedia.org/wiki/Paper_size#Chinese_extensions" rel=3D"noope=
ner noreferrer">Paper size</a> has a section dedicated to those Chinese D =
sizes and notes that D0 through D6 are also known by power-of-two aliases =
1K through 64K, although they differ from other traditional East-Asian pap=
er sizes that hare those designations.</div><div><br></div><div>I see thes=
e size names at the <a href=3D"https://www.iana.org/assignments/ipp-regist=
rations/ipp-registrations.xhtml#ipp-registrations-4" rel=3D"noopener noref=
errer">IANA registry</a> already, but the linked reference [IPP-20250919] =
<<a href=3D"https://ftp.pwg.org/pub/pwg/ipp/registrations/vendor-ipp-20=
250919.txt" rel=3D"noopener noreferrer">https://ftp.pwg.org/pub/pwg/ipp/re=
gistrations/vendor-ipp-20250919.txt</a>> (which would be equivalent to =
the mail I am responding to) leads to a 404 error.</div><div><br></div><di=
v>I also noted that most references labeled [PWG5101.1] there lead to <=
<a href=3D"https://ftp.pwg.org/pub/pwg/candidates/cs-pwgmsn21-20230915-510=
1.1.pdf" rel=3D"noopener noreferrer">https://ftp.pwg.org/pub/pwg/candidate=
s/cs-pwgmsn21-20230915-5101.1.pdf</a>>, while some still link to <<a=
href=3D"https://ftp.pwg.org/pub/pwg/candidates/cs-pwgmsn20-20130328-5101.=
1.pdf" rel=3D"noopener noreferrer">https://ftp.pwg.org/pub/pwg/candidates/=
cs-pwgmsn20-20130328-5101.1.pdf</a>>.</div><div><br></div><div>Michael =
Sweet via ipp <[email protected]>, 2025-09-19 22:26:<br></div></div><block=
quote type=3D"cite"><div><br></div><div><div><div>The following registrati=
on template defines Chinese media size names for D0 to</div><div>D6 media =
defined in GB/T 148-1997 and the ZL envelope size defined in GB/T</div><di=
v>1416-2021.</div><div><br></div><div>Attributes (attribute syntax)</div><=
div> Keyword Attribute Value Reference</div><div> ----------------------- =
---------</div><div>media (type2 keyword | name(MAX)) [RFC8011]</div><div>=
prc_d0_764x1064mm [IPP-20250919]</div><div> prc_d1_532x760mm [IPP-2025091=
9]</div><div> prc_d2_380x528mm [IPP-20250919]</div><div> prc_d3_264x376mm =
[IPP-20250919]</div><div> prc_d4_188x260mm [IPP-20250919]</div><div> prc_d=
5_130x184mm [IPP-20250919]</div><div> prc_d6_92x126mm [IPP-20250919]</div>=
<div> prc_zl_120x230mm [IPP-20250919]<br></div></div></div></blockquote><d=
iv><br></div></div></body></html>
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