Tilman Hausherr created PDFBOX-3920:
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Summary: CIDSet should be PDF/A-2b compatible
Key: PDFBOX-3920
URL: https://issues.apache.org/jira/browse/PDFBOX-3920
Project: PDFBox
Issue Type: Improvement
Components: PDModel
Affects Versions: 2.0.7
Reporter: Tilman Hausherr
Priority: Minor
Fix For: 2.0.8, 3.0.0
>From [~eruiz0] in the user mailing list:
{quote}
I have created PDF/A-2b document with pdfbox and I have found that the font
subsetting provided by pdfbox doesn't match the following requirement from the
specification:
Specification: ISO 19005-2:2011, Clause: 6.2.11.4, Test number: 4
If the FontDescriptor dictionary of an embedded CID font contains a CIDSet
stream, then it shall identify all CIDs which are present in the font program,
regardless of whether a CID in the font is referenced or used by the PDF or not.
That is: some CIDs which are in the CIDToGidMap don't appear in the CIDSet.
Maybe it is a bug or you can add an option to generate the CIDSet to be
consistent with the CIDToGidMap.
Additional details (including a sample pdf file) here:
https://github.com/veraPDF/veraPDF-library/issues/907
{quote}
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