Re: [NTG-context] XMP metadata schema yields invalid PDF/A

2022-02-05 Thread Karl Pettersson via ntg-context
On Sat, Feb 05, 2022 at 03:18:08PM +0100, luigi scarso wrote: > > > Following > https://www.pdfa.org/wp-content/until2016_uploads/2011/08/pdfa_metadata-2b.pdf > I think we should replace > Text > with > Lang Alt > > -- > luigi Yes, if a custom schema is needed at all (from what I can see, the

Re: [NTG-context] XMP metadata schema yields invalid PDF/A

2022-02-05 Thread luigi scarso via ntg-context
On Sat, Feb 5, 2022 at 1:33 PM luigi scarso wrote: > > > On Sat, Feb 5, 2022 at 1:28 PM Karl Pettersson > wrote: > >> >> > >> > From what I understand, ConTeXt applies a custom Dublin Core schema >> > containing just a redefinition of dc:description, which is not coherent >> > with how

Re: [NTG-context] XMP metadata schema yields invalid PDF/A

2022-02-05 Thread luigi scarso via ntg-context
On Sat, Feb 5, 2022 at 1:28 PM Karl Pettersson wrote: > > > > > From what I understand, ConTeXt applies a custom Dublin Core schema > > containing just a redefinition of dc:description, which is not coherent > > with how dc:description is written by the application. > > > > This patch to

Re: [NTG-context] XMP metadata schema yields invalid PDF/A

2022-02-05 Thread Karl Pettersson via ntg-context
> > From what I understand, ConTeXt applies a custom Dublin Core schema > containing just a redefinition of dc:description, which is not coherent > with how dc:description is written by the application. > > This patch to lpdf-pda.xml removes the validation error. > Sorry, diff the other way

Re: [NTG-context] XMP metadata schema yields invalid PDF/A

2022-02-05 Thread Karl Pettersson via ntg-context
On Sat, Feb 05, 2022 at 09:59:44AM +0100, luigi scarso wrote: > it's not redefined -- it's dropped. And this is ok. > You can also check with > FOO > > > TITLE > > > and again it's valid. > But >

Re: [NTG-context] XMP metadata schema yields invalid PDF/A

2022-02-05 Thread luigi scarso via ntg-context
On Sat, Feb 5, 2022 at 9:48 AM Karl Pettersson wrote: > > 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

Re: [NTG-context] XMP metadata schema yields invalid PDF/A

2022-02-05 Thread Karl Pettersson via ntg-context
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

Re: [NTG-context] XMP metadata schema yields invalid PDF/A

2022-02-04 Thread luigi scarso via ntg-context
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

Re: [NTG-context] XMP metadata schema yields invalid PDF/A

2022-02-04 Thread Karl Pettersson via ntg-context
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

Re: [NTG-context] XMP metadata schema yields invalid PDF/A

2022-02-04 Thread luigi scarso via ntg-context
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

Re: [NTG-context] XMP metadata schema yields invalid PDF/A

2022-02-04 Thread Hans Hagen via ntg-context
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.

[NTG-context] XMP metadata schema yields invalid PDF/A

2022-02-04 Thread Karl Pettersson via ntg-context
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