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From: Esteban R <eruiz0@hotmail.com>
To: "users@pdfbox.apache.org" <users@pdfbox.apache.org>
Subject: Font subset issue
Thread-Topic: Font subset issue
Thread-Index: AQHTJZids73qwRzUOEeLj1ErEQveHQ==
Date: Mon, 4 Sep 2017 16:22:56 +0000
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Hello.

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 progr=
am, regardless of whether a CID in the font is referenced or used by the PD=
F 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 con=
sistent with the CIDToGidMap.

Additional details (including a sample pdf file) here:
https://github.com/veraPDF/veraPDF-library/issues/907


I think that I can provide the code used to generate the sample pdf if need=
ed.


Esteban

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