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https://issues.apache.org/jira/browse/PDFBOX-6230?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18138735#comment-18138735
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Tilman Hausherr commented on PDFBOX-6230:
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[~capSVD] any opinion?
> Documentation is misleading/outdated around incremental writing
> ---------------------------------------------------------------
>
> Key: PDFBOX-6230
> URL: https://issues.apache.org/jira/browse/PDFBOX-6230
> Project: PDFBox
> Issue Type: Bug
> Components: PDModel
> Affects Versions: 3.0.8 PDFBox
> Reporter: Jakob Heher
> Priority: Minor
> Labels: documentation
> Original Estimate: 2h
> Remaining Estimate: 2h
>
> The documentation on
> [PDDocument::saveIncremental|https://javadoc.io/static/org.apache.pdfbox/pdfbox/3.0.8/org/apache/pdfbox/pdmodel/PDDocument.html#saveIncremental-java.io.OutputStream-]
> and
> [COSWriter::COSWriter|https://javadoc.io/static/org.apache.pdfbox/pdfbox/3.0.8/org/apache/pdfbox/pdfwriter/COSWriter.html#COSWriter-java.io.OutputStream-org.apache.pdfbox.io.RandomAccessRead-]
> specifies:
> {quote}There must be a path of objects that have
> [{{COSUpdateInfo.isNeedToBeUpdated()}}|https://javadoc.io/static/org.apache.pdfbox/pdfbox/3.0.8/org/apache/pdfbox/cos/COSUpdateInfo.html#isNeedToBeUpdated--]
> set, starting from the document catalog.
> {quote}
>
> However, I believe this to be incorrect, since COSIncrement includes a
> (transitive) parent if there is a direct child (of a direct child of...) that
> requires an update:
> [https://github.com/apache/pdfbox/blob/3.0.8/pdfbox/src/main/java/org/apache/pdfbox/cos/COSIncrement.java#L114]
> This was added in
> [https://github.com/apache/pdfbox/commit/23e85be12c8968cbb68ce99b6071f2a12bf7a5f4]
> in response to PDFBOX-5263, I believe.
> Was the documentation update simply missed here, or is there something I am
> missing?
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