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https://issues.apache.org/jira/browse/PDFBOX-5884?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17887882#comment-17887882
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ASF subversion and git services commented on PDFBOX-5884:
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Commit 1921201 from Tilman Hausherr in branch 'pdfbox/branches/3.0'
[ https://svn.apache.org/r1921201 ]
PDFBOX-5884: support OCG visibility expressions
> Support OCG visibility expressions
> ----------------------------------
>
> Key: PDFBOX-5884
> URL: https://issues.apache.org/jira/browse/PDFBOX-5884
> Project: PDFBox
> Issue Type: Improvement
> Components: Rendering
> Affects Versions: 2.0.32, 3.0.3 PDFBox
> Reporter: Tilman Hausherr
> Assignee: Tilman Hausherr
> Priority: Minor
> Labels: OCGs
> Fix For: 2.0.33, 3.0.4 PDFBox, 4.0.0
>
> Attachments: gs-bugzilla707999-OCG.pdf
>
>
> PDF specification about the /VE array in an Optional Content Membership
> Dictionary: "An array specifying a visibility expression, used to compute
> visibility of content based on a set of optional content groups". I found a
> single example in a recent issue in the ghostscript project.
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