From: luigi scarso via ntg-context <ntg-context@ntg.nl>
To: mailing list for ConTeXt users <ntg-context@ntg.nl>
Cc: luigi scarso <luigi.scarso@gmail.com>
Subject: Re: XMP metadata schema yields invalid PDF/A
Date: Fri, 4 Feb 2022 22:36:40 +0100 [thread overview]
Message-ID: <CAG5iGsAK2b6buL466qttY1LnSB3mfwOoKrJj4WK-5KqaFJC=FQ@mail.gmail.com> (raw)
In-Reply-To: <1f7be313-e921-1fdf-f87c-33d3899e397a@xs4all.nl>
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On Fri, Feb 4, 2022 at 10:26 PM Hans Hagen via ntg-context <
ntg-context@ntg.nl> 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
>
>
and also in XMPSpecificationPart1.pdf
https://github.com/adobe/XMP-Toolkit-SDK/tree/main/docs
dc:description
Language
Alternative
DCMI definition: An account of the resource.
XMP addition: XMP usage is a list of textual descriptions of the content of
the
resource, given in various languages.
--
luigi
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next prev parent reply other threads:[~2022-02-04 21:36 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 [this message]
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
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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