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https://issues.apache.org/jira/browse/PDFBOX-1314?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Petras updated PDFBOX-1314:
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Attachment: sample_signed_with_increment.pdf
PDF with 2 signatures. 2nd was added with PDFBox.
> PDFParser should set "direct" property in COSBase if this object is direct
> --------------------------------------------------------------------------
>
> Key: PDFBOX-1314
> URL: https://issues.apache.org/jira/browse/PDFBOX-1314
> Project: PDFBox
> Issue Type: Bug
> Components: Parsing
> Affects Versions: 1.6.0
> Reporter: Petras
> Labels: COSWriter, PDFParser
> Attachments: sample_signed_with_increment.pdf
>
>
> PDFParser during PDF parsing does not update COSBase#direct property - it
> always return false when read. Especially this issue manifests for dictionary
> objects when PDF is saved (either regularly or incrementally) - all
> dictionary objects in saved PDF, if they do not have COSBase#direct property
> set or are not specifically treated by COSWriter (like XObject or Resources)
> are written as indirect objects. Though PDF specification allows dictionary
> objects to be indirect, but not for /Extensions dictionary in document
> catalog: "The extensions dictionary, all developer extensions dictionary
> entries in the extensions dictionary, as well as their entries, all shall be
> direct objects (i.e., this information shall be nested directly within the
> catalog dictionary with no indirect objects used)." (see ISO 32000-1: 7.12
> Extensions Dictionary).
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