From: Karl Pettersson via ntg-context <ntg-context@ntg.nl>
To: mailing list for ConTeXt users <ntg-context@ntg.nl>
Cc: Karl Pettersson <karl.pettersson@klpn.se>
Subject: Re: XMP metadata schema yields invalid PDF/A
Date: Sat, 5 Feb 2022 09:48:16 +0100 [thread overview]
Message-ID: <Yf450DSUa2WAqScs@karl-ThinkPad-P50> (raw)
In-Reply-To: <CAG5iGsBY04sQj=sJoopH5F1ru=Qr-xK5OgzvFNkuhab1D+TU9w@mail.gmail.com>
[-- Attachment #1: Type: text/plain, Size: 3020 bytes --]
On Sat, Feb 05, 2022 at 12:37:44AM +0100, luigi scarso via ntg-context wrote:
> On Fri, Feb 4, 2022 at 11:11 PM Karl Pettersson via ntg-context <
> ntg-context@ntg.nl> wrote:
>
> > On Fri, Feb 04, 2022 at 10:25:27PM +0100, Hans Hagen via ntg-context wrote:
> > > On 2/4/2022 7:29 PM, Karl Pettersson via ntg-context wrote:
> > > > Hi
> > > >
> > > > PDF/A files generated using ConTeXt fail validation with veraPDF, and
> > > > the reason seems to be that the dc:description metadata is defined with
> > > > the wrong type in the embedded XMP extension schema.
> > > >
> > > >
> > https://tex.stackexchange.com/questions/632380/generate-pdf-a-with-context
> > > >
> > > > https://github.com/veraPDF/veraPDF-library/issues/1224
> > > >
> > > > I can reproduce the problem using TeX Live 2021 (MkIV 2021.03.05). The
> > > > definition seems to be controlled by this code.
> > > >
> > > >
> > https://source.contextgarden.net/tex/context/base/mkiv/lpdf-pua.xml?search=rdf#l81
> > > so "dc:description" is not permitted? it is mentioned in
> > >
> > >
> > https://www.dublincore.org/specifications/dublin-core/dcmi-terms/#http://purl.org/dc/elements/1.1/description
> > >
> > > (btw it never failed before)
> >
> > The description element is permitted, but the problem seems to be that
> > its valueType is defined as Text in the embedded schema, while the
> > metadata element in the PDF has an embedded <rdf:Alt><rdf:li
> > xml:lang="x-default"> structure.
> >
> >
> > https://github.com/veraPDF/veraPDF-library/issues/1224#issuecomment-1029932963
> >
> > (I suppose the reference to "title" in the issue comment should be
> > "description".)
> >
> > Validating with veraPDF <1.20 does not raise the error. The validation
> > seems to have changed for redefined types in that version.
> >
> >
> > https://github.com/veraPDF/veraPDF-library/blob/integration/RELEASENOTES.md#validation
>
>
> I am missing something here... true
> <dc:description>FOO</dc:description>
> makes a valid pdf 3a with verapdf 1.20.1.
> But dc:description is like dc:title, so where we are redefining
> dc:description as Text ?
>
> --
> luigi
Attach metadata xml for the non-validating and validating example
(extraced with `pdfinfo -meta | xmllint format -`) in the
Github issue.
Here is a reference to the description element. Note that only
description seems to be redefined, not title.
https://source.contextgarden.net/tex/context/base/mkiv/lpdf-pua.xml#l81
> ___________________________________________________________________________________
> If your question is of interest to others as well, please add an entry to the Wiki!
>
> maillist : ntg-context@ntg.nl / http://www.ntg.nl/mailman/listinfo/ntg-context
> webpage : http://www.pragma-ade.nl / http://context.aanhet.net
> archive : https://bitbucket.org/phg/context-mirror/commits/
> wiki : http://contextgarden.net
> ___________________________________________________________________________________
--
Karl Pettersson
Uppsala, Sweden
https://static-dust.klpn.se/
[-- Attachment #2: test.xml --]
[-- Type: text/xml, Size: 12572 bytes --]
<?xml version="1.0"?>
<?xpacket begin="" id="W5M0MpCehiHzreSzNTczkc9d"?>
<x:xmpmeta xmlns:x="adobe:ns:meta/">
<!-- http://www.pdfa.org/wp-content/uploads/2011/08/tn0008_predefined_xmp_properties_in_pdfa-1_2008-03-20.pdf -->
<rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#">
<rdf:Description xmlns:dc="http://purl.org/dc/elements/1.1/" rdf:about="">
<dc:format>application/pdf</dc:format>
<dc:creator>
<rdf:Seq>
<rdf:li xml:lang="x-default">AUTHOR</rdf:li>
</rdf:Seq>
</dc:creator>
<dc:description>
<rdf:Alt>
<rdf:li xml:lang="x-default"/>
</rdf:Alt>
</dc:description>
<dc:title>
<rdf:Alt>
<rdf:li xml:lang="x-default">TITLE</rdf:li>
</rdf:Alt>
</dc:title>
</rdf:Description>
<rdf:Description xmlns:pdfx="http://ns.adobe.com/pdfx/1.3/" rdf:about="">
<pdfx:ID>out | 2022-02-02T21:34:48+01:00</pdfx:ID>
<pdfx:ConTeXt.Jobname>out</pdfx:ConTeXt.Jobname>
<pdfx:ConTeXt.Time>2022-02-02 21:34</pdfx:ConTeXt.Time>
<pdfx:ConTeXt.Url>www.pragma-ade.com</pdfx:ConTeXt.Url>
<pdfx:ConTeXt.Support>contextgarden.net</pdfx:ConTeXt.Support>
<pdfx:ConTeXt.Version>2019.03.21 21:39</pdfx:ConTeXt.Version>
<pdfx:ConTeXt.LMTX/>
<pdfx:TeX.Support>tug.org</pdfx:TeX.Support>
<pdfx:LuaTeX.Version>1.10</pdfx:LuaTeX.Version>
<pdfx:LuaTeX.Functionality>7127</pdfx:LuaTeX.Functionality>
<pdfx:LuaTeX.LuaVersion>5.3</pdfx:LuaTeX.LuaVersion>
<pdfx:LuaTeX.Platform>linux-64</pdfx:LuaTeX.Platform>
</rdf:Description>
<rdf:Description xmlns:xmp="http://ns.adobe.com/xap/1.0/" rdf:about="">
<xmp:CreateDate>2022-02-02T21:34:48+01:00</xmp:CreateDate>
<xmp:CreatorTool>LuaTeX 1.10 7127 + ConTeXt MkIV 2019.03.21 21:39</xmp:CreatorTool>
<xmp:ModifyDate>2022-02-02T21:34:48+01:00</xmp:ModifyDate>
<xmp:MetadataDate>2022-02-02T21:34:48+01:00</xmp:MetadataDate>
</rdf:Description>
<rdf:Description xmlns:pdf="http://ns.adobe.com/pdf/1.3/" rdf:about="">
<pdf:Keywords/>
<pdf:Producer>LuaTeX-1.10</pdf:Producer>
<pdf:Trapped>False</pdf:Trapped>
</rdf:Description>
<rdf:Description xmlns:xmpMM="http://ns.adobe.com/xap/1.0/mm/" rdf:about="">
<xmpMM:DocumentID>uuid:77baf08a-41c6-87cb-47d0-807f764f5064</xmpMM:DocumentID>
<xmpMM:InstanceID>uuid:fe6c773e-42b0-864d-4c63-da5c57ec1a40</xmpMM:InstanceID>
</rdf:Description>
<rdf:Description xmlns:pdfaExtension="http://www.aiim.org/pdfa/ns/extension/" xmlns:pdfaProperty="http://www.aiim.org/pdfa/ns/property#" xmlns:pdfaSchema="http://www.aiim.org/pdfa/ns/schema#" rdf:about="">
<pdfaExtension:schemas>
<rdf:Bag>
<rdf:li rdf:parseType="Resource">
<pdfaSchema:namespaceURI>http://ns.adobe.com/pdf/1.3/</pdfaSchema:namespaceURI>
<pdfaSchema:prefix>pdf</pdfaSchema:prefix>
<pdfaSchema:schema>Adobe PDF Schema</pdfaSchema:schema>
<pdfaSchema:property>
<rdf:Seq>
<rdf:li rdf:parseType="Resource">
<pdfaProperty:category>internal</pdfaProperty:category>
<pdfaProperty:description>A name object indicating whether the document has been modified to include trapping information</pdfaProperty:description>
<pdfaProperty:name>Trapped</pdfaProperty:name>
<pdfaProperty:valueType>Text</pdfaProperty:valueType>
</rdf:li>
</rdf:Seq>
</pdfaSchema:property>
<pdfaSchema:valueType>
<rdf:Seq/>
</pdfaSchema:valueType>
</rdf:li>
<rdf:li rdf:parseType="Resource">
<pdfaSchema:namespaceURI>http://purl.org/dc/elements/1.1/</pdfaSchema:namespaceURI>
<pdfaSchema:prefix>pdf</pdfaSchema:prefix>
<pdfaSchema:schema>Dubline Core Schema</pdfaSchema:schema>
<pdfaSchema:property>
<rdf:Seq>
<rdf:li rdf:parseType="Resource">
<pdfaProperty:category>internal</pdfaProperty:category>
<pdfaProperty:description>Subject in Document Properties</pdfaProperty:description>
<pdfaProperty:name>description</pdfaProperty:name>
<pdfaProperty:valueType>Text</pdfaProperty:valueType>
</rdf:li>
</rdf:Seq>
</pdfaSchema:property>
<pdfaSchema:valueType>
<rdf:Seq/>
</pdfaSchema:valueType>
</rdf:li>
<rdf:li rdf:parseType="Resource">
<pdfaSchema:namespaceURI>http://ns.adobe.com/pdfx/1.3/</pdfaSchema:namespaceURI>
<pdfaSchema:prefix>pdfx</pdfaSchema:prefix>
<pdfaSchema:schema>PDF/X ID Schema</pdfaSchema:schema>
<pdfaSchema:property>
<rdf:Seq>
<rdf:li rdf:parseType="Resource">
<pdfaProperty:category>external</pdfaProperty:category>
<pdfaProperty:description>Name of the ConTeXt job</pdfaProperty:description>
<pdfaProperty:name>ConTeXt.Jobname</pdfaProperty:name>
<pdfaProperty:valueType>Text</pdfaProperty:valueType>
</rdf:li>
<rdf:li rdf:parseType="Resource">
<pdfaProperty:category>external</pdfaProperty:category>
<pdfaProperty:description>Time stamp of ConTeXt version</pdfaProperty:description>
<pdfaProperty:name>ConTeXt.Time</pdfaProperty:name>
<pdfaProperty:valueType>Text</pdfaProperty:valueType>
</rdf:li>
<rdf:li rdf:parseType="Resource">
<pdfaProperty:category>external</pdfaProperty:category>
<pdfaProperty:description>ConTeXt website</pdfaProperty:description>
<pdfaProperty:name>ConTeXt.Url</pdfaProperty:name>
<pdfaProperty:valueType>Text</pdfaProperty:valueType>
</rdf:li>
<rdf:li rdf:parseType="Resource">
<pdfaProperty:category>external</pdfaProperty:category>
<pdfaProperty:description>ConTeXt support</pdfaProperty:description>
<pdfaProperty:name>ConTeXt.Support</pdfaProperty:name>
<pdfaProperty:valueType>Text</pdfaProperty:valueType>
</rdf:li>
<rdf:li rdf:parseType="Resource">
<pdfaProperty:category>external</pdfaProperty:category>
<pdfaProperty:description>ConTeXt version</pdfaProperty:description>
<pdfaProperty:name>ConTeXt.Version</pdfaProperty:name>
<pdfaProperty:valueType>Text</pdfaProperty:valueType>
</rdf:li>
<rdf:li rdf:parseType="Resource">
<pdfaProperty:category>external</pdfaProperty:category>
<pdfaProperty:description>ConTeXt LMTX version</pdfaProperty:description>
<pdfaProperty:name>ConTeXt.LMTX</pdfaProperty:name>
<pdfaProperty:valueType>Text</pdfaProperty:valueType>
</rdf:li>
<rdf:li rdf:parseType="Resource">
<pdfaProperty:category>external</pdfaProperty:category>
<pdfaProperty:description>TeX support</pdfaProperty:description>
<pdfaProperty:name>TeX.Support</pdfaProperty:name>
<pdfaProperty:valueType>Text</pdfaProperty:valueType>
</rdf:li>
<rdf:li rdf:parseType="Resource">
<pdfaProperty:category>external</pdfaProperty:category>
<pdfaProperty:description>LuaTeX version</pdfaProperty:description>
<pdfaProperty:name>LuaTeX.Version</pdfaProperty:name>
<pdfaProperty:valueType>Text</pdfaProperty:valueType>
</rdf:li>
<rdf:li rdf:parseType="Resource">
<pdfaProperty:category>external</pdfaProperty:category>
<pdfaProperty:description>LuaTeX functionality</pdfaProperty:description>
<pdfaProperty:name>LuaTeX.Functionality</pdfaProperty:name>
<pdfaProperty:valueType>Text</pdfaProperty:valueType>
</rdf:li>
<rdf:li rdf:parseType="Resource">
<pdfaProperty:category>external</pdfaProperty:category>
<pdfaProperty:description>LuaTeX Lua version</pdfaProperty:description>
<pdfaProperty:name>LuaTeX.LuaVersion</pdfaProperty:name>
<pdfaProperty:valueType>Text</pdfaProperty:valueType>
</rdf:li>
<rdf:li rdf:parseType="Resource">
<pdfaProperty:category>external</pdfaProperty:category>
<pdfaProperty:description>LuaTeX platform</pdfaProperty:description>
<pdfaProperty:name>LuaTeX.Platform</pdfaProperty:name>
<pdfaProperty:valueType>Text</pdfaProperty:valueType>
</rdf:li>
<rdf:li rdf:parseType="Resource">
<pdfaProperty:category>external</pdfaProperty:category>
<pdfaProperty:description>Document identifier</pdfaProperty:description>
<pdfaProperty:name>ID</pdfaProperty:name>
<pdfaProperty:valueType>Text</pdfaProperty:valueType>
</rdf:li>
</rdf:Seq>
</pdfaSchema:property>
<pdfaSchema:valueType>
<rdf:Seq/>
</pdfaSchema:valueType>
</rdf:li>
<rdf:li rdf:parseType="Resource">
<pdfaSchema:namespaceURI>http://ns.adobe.com/xap/1.0/mm/</pdfaSchema:namespaceURI>
<pdfaSchema:prefix>xmpMM</pdfaSchema:prefix>
<pdfaSchema:schema>XMP Media Management Schema</pdfaSchema:schema>
<pdfaSchema:property>
<rdf:Seq>
<rdf:li rdf:parseType="Resource">
<pdfaProperty:category>internal</pdfaProperty:category>
<pdfaProperty:description>UUID based identifier for specific incarnation of a document</pdfaProperty:description>
<pdfaProperty:name>InstanceID</pdfaProperty:name>
<pdfaProperty:valueType>URI</pdfaProperty:valueType>
</rdf:li>
</rdf:Seq>
</pdfaSchema:property>
<pdfaSchema:valueType>
<rdf:Seq/>
</pdfaSchema:valueType>
</rdf:li>
<rdf:li rdf:parseType="Resource">
<pdfaSchema:namespaceURI>http://www.aiim.org/pdfa/ns/id/</pdfaSchema:namespaceURI>
<pdfaSchema:prefix>pdfaid</pdfaSchema:prefix>
<pdfaSchema:schema>PDF/A ID Schema</pdfaSchema:schema>
<pdfaSchema:property>
<rdf:Seq>
<rdf:li rdf:parseType="Resource">
<pdfaProperty:category>internal</pdfaProperty:category>
<pdfaProperty:description>Part of PDF/A standard</pdfaProperty:description>
<pdfaProperty:name>part</pdfaProperty:name>
<pdfaProperty:valueType>Integer</pdfaProperty:valueType>
</rdf:li>
<rdf:li rdf:parseType="Resource">
<pdfaProperty:category>internal</pdfaProperty:category>
<pdfaProperty:description>Amendment of PDF/A standard</pdfaProperty:description>
<pdfaProperty:name>amd</pdfaProperty:name>
<pdfaProperty:valueType>Text</pdfaProperty:valueType>
</rdf:li>
<rdf:li rdf:parseType="Resource">
<pdfaProperty:category>internal</pdfaProperty:category>
<pdfaProperty:description>Conformance level of PDF/A standard</pdfaProperty:description>
<pdfaProperty:name>conformance</pdfaProperty:name>
<pdfaProperty:valueType>Text</pdfaProperty:valueType>
</rdf:li>
</rdf:Seq>
</pdfaSchema:property>
<pdfaSchema:valueType>
<rdf:Seq/>
</pdfaSchema:valueType>
</rdf:li>
</rdf:Bag>
</pdfaExtension:schemas>
</rdf:Description>
<rdf:Description xmlns:pdfaid="http://www.aiim.org/pdfa/ns/id/" rdf:about="">
<pdfaid:part>3</pdfaid:part>
<pdfaid:conformance>A</pdfaid:conformance>
</rdf:Description>
</rdf:RDF>
</x:xmpmeta>
<?xpacket end="w"?>
[-- Attachment #3: test-fixed.xml --]
[-- Type: text/xml, Size: 10782 bytes --]
<?xml version="1.0"?>
<?xpacket begin="" id="W5M0MpCehiHzreSzNTczkc9d"?>
<x:xmpmeta xmlns:x="adobe:ns:meta/" x:xmptk="Adobe XMP Core 7.1-c000 79.425dc87, 2021/10/27-16:20:32 ">
<rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#">
<rdf:Description xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:pdfx="http://ns.adobe.com/pdfx/1.3/" xmlns:xmp="http://ns.adobe.com/xap/1.0/" xmlns:pdf="http://ns.adobe.com/pdf/1.3/" xmlns:xmpMM="http://ns.adobe.com/xap/1.0/mm/" xmlns:pdfaid="http://www.aiim.org/pdfa/ns/id/" xmlns:pdfaExtension="http://www.aiim.org/pdfa/ns/extension/" xmlns:pdfaSchema="http://www.aiim.org/pdfa/ns/schema#" xmlns:pdfaProperty="http://www.aiim.org/pdfa/ns/property#" rdf:about="">
<dc:format>application/pdf</dc:format>
<dc:creator>
<rdf:Seq>
<rdf:li xml:lang="x-default">AUTHOR</rdf:li>
</rdf:Seq>
</dc:creator>
<dc:title>
<rdf:Alt>
<rdf:li xml:lang="x-default">TITLE</rdf:li>
</rdf:Alt>
</dc:title>
<pdfx:ID>out | 2022-02-02T21:34:48+01:00</pdfx:ID>
<pdfx:ConTeXt.Jobname>out</pdfx:ConTeXt.Jobname>
<pdfx:ConTeXt.Time>2022-02-02 21:34</pdfx:ConTeXt.Time>
<pdfx:ConTeXt.Url>www.pragma-ade.com</pdfx:ConTeXt.Url>
<pdfx:ConTeXt.Support>contextgarden.net</pdfx:ConTeXt.Support>
<pdfx:ConTeXt.Version>2019.03.21 21:39</pdfx:ConTeXt.Version>
<pdfx:ConTeXt.LMTX/>
<pdfx:TeX.Support>tug.org</pdfx:TeX.Support>
<pdfx:LuaTeX.Version>1.10</pdfx:LuaTeX.Version>
<pdfx:LuaTeX.Functionality>7127</pdfx:LuaTeX.Functionality>
<pdfx:LuaTeX.LuaVersion>5.3</pdfx:LuaTeX.LuaVersion>
<pdfx:LuaTeX.Platform>linux-64</pdfx:LuaTeX.Platform>
<xmp:CreateDate>2022-02-02T21:34:48+01:00</xmp:CreateDate>
<xmp:CreatorTool>LuaTeX 1.10 7127 + ConTeXt MkIV 2019.03.21 21:39</xmp:CreatorTool>
<xmp:ModifyDate>2022-02-04T15:11:05+03:00</xmp:ModifyDate>
<xmp:MetadataDate>2022-02-04T15:11:05+03:00</xmp:MetadataDate>
<pdf:Producer>LuaTeX-1.10</pdf:Producer>
<pdf:Trapped>Unknown</pdf:Trapped>
<pdf:Keywords/>
<xmpMM:DocumentID>uuid:77baf08a-41c6-87cb-47d0-807f764f5064</xmpMM:DocumentID>
<xmpMM:InstanceID>uuid:00ca627f-3d6c-46bd-8c42-793d2c04eb4d</xmpMM:InstanceID>
<pdfaid:part>3</pdfaid:part>
<pdfaid:conformance>A</pdfaid:conformance>
<pdfaExtension:schemas>
<rdf:Bag>
<rdf:li rdf:parseType="Resource">
<pdfaSchema:namespaceURI>http://ns.adobe.com/pdf/1.3/</pdfaSchema:namespaceURI>
<pdfaSchema:prefix>pdf</pdfaSchema:prefix>
<pdfaSchema:schema>Adobe PDF Schema</pdfaSchema:schema>
<pdfaSchema:property>
<rdf:Seq>
<rdf:li rdf:parseType="Resource">
<pdfaProperty:category>internal</pdfaProperty:category>
<pdfaProperty:description>A name object indicating whether the document has been modified to include trapping information</pdfaProperty:description>
<pdfaProperty:name>Trapped</pdfaProperty:name>
<pdfaProperty:valueType>Text</pdfaProperty:valueType>
</rdf:li>
</rdf:Seq>
</pdfaSchema:property>
</rdf:li>
<rdf:li rdf:parseType="Resource">
<pdfaSchema:namespaceURI>http://ns.adobe.com/pdfx/1.3/</pdfaSchema:namespaceURI>
<pdfaSchema:prefix>pdfx</pdfaSchema:prefix>
<pdfaSchema:schema>PDF/X ID Schema</pdfaSchema:schema>
<pdfaSchema:property>
<rdf:Seq>
<rdf:li rdf:parseType="Resource">
<pdfaProperty:category>external</pdfaProperty:category>
<pdfaProperty:description>Name of the ConTeXt job</pdfaProperty:description>
<pdfaProperty:name>ConTeXt.Jobname</pdfaProperty:name>
<pdfaProperty:valueType>Text</pdfaProperty:valueType>
</rdf:li>
<rdf:li rdf:parseType="Resource">
<pdfaProperty:category>external</pdfaProperty:category>
<pdfaProperty:description>Time stamp of ConTeXt version</pdfaProperty:description>
<pdfaProperty:name>ConTeXt.Time</pdfaProperty:name>
<pdfaProperty:valueType>Text</pdfaProperty:valueType>
</rdf:li>
<rdf:li rdf:parseType="Resource">
<pdfaProperty:category>external</pdfaProperty:category>
<pdfaProperty:description>ConTeXt website</pdfaProperty:description>
<pdfaProperty:name>ConTeXt.Url</pdfaProperty:name>
<pdfaProperty:valueType>Text</pdfaProperty:valueType>
</rdf:li>
<rdf:li rdf:parseType="Resource">
<pdfaProperty:category>external</pdfaProperty:category>
<pdfaProperty:description>ConTeXt support</pdfaProperty:description>
<pdfaProperty:name>ConTeXt.Support</pdfaProperty:name>
<pdfaProperty:valueType>Text</pdfaProperty:valueType>
</rdf:li>
<rdf:li rdf:parseType="Resource">
<pdfaProperty:category>external</pdfaProperty:category>
<pdfaProperty:description>ConTeXt version</pdfaProperty:description>
<pdfaProperty:name>ConTeXt.Version</pdfaProperty:name>
<pdfaProperty:valueType>Text</pdfaProperty:valueType>
</rdf:li>
<rdf:li rdf:parseType="Resource">
<pdfaProperty:category>external</pdfaProperty:category>
<pdfaProperty:description>ConTeXt LMTX version</pdfaProperty:description>
<pdfaProperty:name>ConTeXt.LMTX</pdfaProperty:name>
<pdfaProperty:valueType>Text</pdfaProperty:valueType>
</rdf:li>
<rdf:li rdf:parseType="Resource">
<pdfaProperty:category>external</pdfaProperty:category>
<pdfaProperty:description>TeX support</pdfaProperty:description>
<pdfaProperty:name>TeX.Support</pdfaProperty:name>
<pdfaProperty:valueType>Text</pdfaProperty:valueType>
</rdf:li>
<rdf:li rdf:parseType="Resource">
<pdfaProperty:category>external</pdfaProperty:category>
<pdfaProperty:description>LuaTeX version</pdfaProperty:description>
<pdfaProperty:name>LuaTeX.Version</pdfaProperty:name>
<pdfaProperty:valueType>Text</pdfaProperty:valueType>
</rdf:li>
<rdf:li rdf:parseType="Resource">
<pdfaProperty:category>external</pdfaProperty:category>
<pdfaProperty:description>LuaTeX functionality</pdfaProperty:description>
<pdfaProperty:name>LuaTeX.Functionality</pdfaProperty:name>
<pdfaProperty:valueType>Text</pdfaProperty:valueType>
</rdf:li>
<rdf:li rdf:parseType="Resource">
<pdfaProperty:category>external</pdfaProperty:category>
<pdfaProperty:description>LuaTeX Lua version</pdfaProperty:description>
<pdfaProperty:name>LuaTeX.LuaVersion</pdfaProperty:name>
<pdfaProperty:valueType>Text</pdfaProperty:valueType>
</rdf:li>
<rdf:li rdf:parseType="Resource">
<pdfaProperty:category>external</pdfaProperty:category>
<pdfaProperty:description>LuaTeX platform</pdfaProperty:description>
<pdfaProperty:name>LuaTeX.Platform</pdfaProperty:name>
<pdfaProperty:valueType>Text</pdfaProperty:valueType>
</rdf:li>
<rdf:li rdf:parseType="Resource">
<pdfaProperty:category>external</pdfaProperty:category>
<pdfaProperty:description>Document identifier</pdfaProperty:description>
<pdfaProperty:name>ID</pdfaProperty:name>
<pdfaProperty:valueType>Text</pdfaProperty:valueType>
</rdf:li>
</rdf:Seq>
</pdfaSchema:property>
</rdf:li>
<rdf:li rdf:parseType="Resource">
<pdfaSchema:namespaceURI>http://ns.adobe.com/xap/1.0/mm/</pdfaSchema:namespaceURI>
<pdfaSchema:prefix>xmpMM</pdfaSchema:prefix>
<pdfaSchema:schema>XMP Media Management Schema</pdfaSchema:schema>
<pdfaSchema:property>
<rdf:Seq>
<rdf:li rdf:parseType="Resource">
<pdfaProperty:category>internal</pdfaProperty:category>
<pdfaProperty:description>UUID based identifier for specific incarnation of a document</pdfaProperty:description>
<pdfaProperty:name>InstanceID</pdfaProperty:name>
<pdfaProperty:valueType>URI</pdfaProperty:valueType>
</rdf:li>
</rdf:Seq>
</pdfaSchema:property>
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next prev parent reply other threads:[~2022-02-05 8:48 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-02-04 18:29 Karl Pettersson via ntg-context
2022-02-04 21:25 ` Hans Hagen via ntg-context
2022-02-04 21:36 ` luigi scarso via ntg-context
2022-02-04 22:11 ` Karl Pettersson via ntg-context
2022-02-04 23:37 ` luigi scarso via ntg-context
2022-02-05 8:48 ` Karl Pettersson via ntg-context [this message]
2022-02-05 8:59 ` luigi scarso via ntg-context
2022-02-05 12:14 ` Karl Pettersson via ntg-context
2022-02-05 12:28 ` Karl Pettersson via ntg-context
2022-02-05 12:33 ` luigi scarso via ntg-context
2022-02-05 14:18 ` luigi scarso via ntg-context
2022-02-05 14:29 ` Karl Pettersson via ntg-context
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