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https://issues.apache.org/jira/browse/PDFBOX-5143?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17325993#comment-17325993
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Tilman Hausherr commented on PDFBOX-5143:
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The file [^evince-bug431088.pdf] looks different ("Ubuntu" no longer bold) and
brings an exception. This is because positioning exactly at the end now brings
an exception. The previous code didn't bring an exception because
{{readDictData(CFFDataInput input, int dictSize)}} never read anything if
{{dictSize}} was 0. So allow positioning at the end, or don't position if
{{dictSize}} is 0.
> Refactor/Simplify CFF parsing
> -----------------------------
>
> Key: PDFBOX-5143
> URL: https://issues.apache.org/jira/browse/PDFBOX-5143
> Project: PDFBox
> Issue Type: Improvement
> Components: FontBox
> Affects Versions: 3.0.0 PDFBox
> Reporter: Andreas Lehmkühler
> Assignee: Andreas Lehmkühler
> Priority: Major
> Attachments: evince-bug431088.pdf
>
>
> The classes used for the parsing of CFF-based fonts have some room for
> improvements w.r.t. the memory footprint, the complexity of the code and the
> test coverage.
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