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Hi, The following error message is showing up:
I checked my input PDF and it's PDF/A-3A not PDF/A-3U but the converted PDF is indeed an PDF/A-3U. I thought for Zugferd you would need PDF/A-3A. Is that correct or do I have another option for validating a pdf except the --validate --source Command? Thank you in advance! :) |
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Replies: 2 comments
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ZUGFeRD indeed requires PDF/A-3 (or PDF/A-4, interestingly) (and Mustang --combine usually uses PDF/A-1 as input) but it doesn't matter if it's A-3 A, B or U. Mustang uses a embedded verapdf to check validity, it's open source, you can download and run that separately as well. To correct a PDF/A (losing ZF info) I recommend just running it through Ghostscript PDF/A conversion, if you really need to deep-dive to fix PDF issues on the almost-binary level I suggest itext RUPS. |
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Thank you! I figured out, that my PDF Printer made an automatic conversion of mails or website addresses to URIs which is not allowed in PDF/A-3! |
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ZUGFeRD indeed requires PDF/A-3 (or PDF/A-4, interestingly) (and Mustang --combine usually uses PDF/A-1 as input) but it doesn't matter if it's A-3 A, B or U. Mustang uses a embedded verapdf to check validity, it's open source, you can download and run that separately as well. To correct a PDF/A (losing ZF info) I recommend just running it through Ghostscript PDF/A conversion, if you really need to deep-dive to fix PDF issues on the almost-binary level I suggest itext RUPS.