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https://issues.apache.org/jira/browse/PDFBOX-4949?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17190195#comment-17190195
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Michael Klink commented on PDFBOX-4949:
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Strictly speaking *W* must follow a path object, so it cannot be _applied to a
non existent path_ in a valid PDF.
Thus, this is not fixing a _major bug_ but at best being nice to people having
to deal with broken PDFs and at worst encouraging people to create broken PDFs.
> "W n" applied to non existent path produces empty clipping result
> -----------------------------------------------------------------
>
> Key: PDFBOX-4949
> URL: https://issues.apache.org/jira/browse/PDFBOX-4949
> Project: PDFBox
> Issue Type: Bug
> Components: Rendering
> Affects Versions: 1.8.16, 2.0.21
> Reporter: Tilman Hausherr
> Assignee: Tilman Hausherr
> Priority: Major
> Fix For: 3.0.0 PDFBox, 2.0.22
>
> Attachments: PDFJS-12306-p23.pdf
>
>
> The content stream has "W n" applied to a non existent path. If the software
> treats this as an empty path, the result of the clip will be an empty path 😭
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