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https://issues.apache.org/jira/browse/PDFBOX-5863?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17872665#comment-17872665
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Tilman Hausherr commented on PDFBOX-5863:
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1 and 2 stay 1 and 2 in conversion. Byte values > 0x7f become negative numbers
in conversion, that's the problem.
> bad comparison of byte with 128
> -------------------------------
>
> Key: PDFBOX-5863
> URL: https://issues.apache.org/jira/browse/PDFBOX-5863
> Project: PDFBox
> Issue Type: Bug
> Components: PDModel
> Affects Versions: 3.0.2 PDFBox
> Reporter: Dieter von Holten
> Assignee: Tilman Hausherr
> Priority: Major
> Fix For: 3.0.3 PDFBox, 4.0.0
>
>
> inspection by spotbugs shows a problem in
> o.a.padfbox.pdmodel.font.FontFactory line 285:
> the partial expression {{header[0] == 0x80 && ...}}
> is always false. The code should be{{ header[0] == (byte) 0x80 && ...}}
>
>
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