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https://issues.apache.org/jira/browse/PDFBOX-2250?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14106686#comment-14106686
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Andreas Lehmkühler commented on PDFBOX-2250:
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IMHO it's ok to treat a "0" offset as "null" offset as such a value is invalid
and thus doesn't make any sense.
In the mentioned pdf the "0"-offset belongs to the object 3 0 which is
referenced in the catalog but doesn't exists in the pdf
> Improve XRef self healing mechanism
> -----------------------------------
>
> Key: PDFBOX-2250
> URL: https://issues.apache.org/jira/browse/PDFBOX-2250
> Project: PDFBox
> Issue Type: Improvement
> Components: Parsing
> Affects Versions: 1.8.6, 1.8.7, 2.0.0
> Reporter: Andreas Lehmkühler
> Assignee: Andreas Lehmkühler
> Attachments: PDFBOX-2250-107425-empty-xref.pdf,
> PDFBOX-2250-110264-xref-zeronumber.pdf
>
>
> PDFBOX-1769 introduced a "self healing" mechanism to repair corrupt XRef
> offsets. But that one was just a starter and there remain a lot of issues to
> be solved. I'm planing to solve at least some of them.
> All fixes and improvements are targeting the non-sequential parser and I
> won't port those changes to the old parser.
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