Hi, I am using PDFBox to create legally valid PDF/A-2b documents, on a Linux Mint machine.
For this, I have .odt files with embedded fonts created by LibreOffice Writer, that I export as PDFs. Then, I manipulate the metadata of the documents by aligning the XMP metadata with the descriptive ones (author, title, subject, etc.), providing a color profile, and setting the identification schema to part 2 and conformance B, just like pointed out in your guides. I manually tested the output PDF/A-2b documents using this online validator: https://www.pdf-online.com/osa/validate.aspx, and I noticed that if the aforementioned documents contain certain fonts, e.g. MathJax-Typewriter, the validation fails with a series of errors like this: *The width for character X in font ‘FAAAAA+MathJax_Typewriter-Regular’ does not match.* I would like to know if this is caused by some limitations in the library, or if I am doing something wrong in conforming the PDF. The failing PDF and the output of the validator are provided as attachments to this mail. Best regards, Luca
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