On 9/12/2024 5:50 PM, Thomas Meyer wrote:

Thank you, Jakob, for your answer,

I didn't think that my example was too complex.
pdf/A-2a works with ConTeXt, it is recognized as pdf/A by FoxitReader. However, I would like the result to be valid, as with pdf/A-2u.

Does anyone else have any tips or ideas? Is it not that important?

i have no time for validation / tagging now but you can try

% \setupbackend[format=pdf/ua-2]
% \setuptagging[state=start]

we will pick up on tagging etc in a couplke of months ... the pdf standard is not as stable as one thinks nor are these validators so it's a waste of time to continously look at it (and no fun either) so that goes in batches

Hans


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