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https://issues.apache.org/jira/browse/PDFBOX-2035?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Andreas Lehmkühler updated PDFBOX-2035:
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Attachment: Ignore_badly-formatted_CMap_ToUnicode_instructions.patch
experienced_java_developer.pdf
> Ignore badly formatted toUnicode CMaps
> --------------------------------------
>
> Key: PDFBOX-2035
> URL: https://issues.apache.org/jira/browse/PDFBOX-2035
> Project: PDFBox
> Issue Type: Bug
> Components: Parsing, PDModel
> Affects Versions: 1.8.4, 2.0.0
> Reporter: Cheng Leong
> Assignee: Andreas Lehmkühler
> Fix For: 1.8.5, 2.0.0
>
> Attachments:
> Ignore_badly-formatted_CMap_ToUnicode_instructions.patch,
> experienced_java_developer.pdf
>
>
> Copied from PDFBOX-399:
> Submitting a patch for ignoring badly-formatted CMap ToUnicode instructions.
> This allows parsing of some ToUnicode resource streams that would otherwise
> throw exceptions which were silently consumed. This allows text extraction to
> get the correctly mapped characters.
> Specifically parse token<hex> adjacency without whitespace separating them,
> eat all whitespace within a hex value, and return a partially constructed
> CMap instead of throwing an exception.
> I don't see a problem with the previous test case example (BlackHat...) but
> I've modified the test case based on an example from the wild:
> http://www.itsix.com/media/experienced_java_developer.pdf
> edit: forgot to mention that this patch was designed on 1.8.3, but also
> worked on trunk.
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