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https://issues.apache.org/jira/browse/PDFBOX-727?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12868012#action_12868012
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Andreas Lehmkühler commented on PDFBOX-727:
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Most of the wrong text is gone with solving PDFBOX-534. There are only
"arrowrighttophalf" and "arrowhookleft" left for which I can't find any unicode
mapping. I've attached the extracted text including the fix
> The extracted text of a PDF document created using TeX contains remnants of
> TeX commands like \parenleftbig etc.
> ----------------------------------------------------------------------------------------------------------------
>
> Key: PDFBOX-727
> URL: https://issues.apache.org/jira/browse/PDFBOX-727
> Project: PDFBox
> Issue Type: Bug
> Components: Text extraction
> Affects Versions: 1.1.0
> Environment: Mac OS X 10.6.3, using org.apache.pdfbox.ExtractText
> -encoding UTF-8
> Reporter: Thomas Fischer
> Attachments: 359.pdf, 359.txt, 359_r944875.txt
>
>
> In otherwise (more or less) correctly recognised text there appear remnants
> of TeX commands, e.g.
> parenleftbigparenleftbigparenleftbig
> Aσ̇,τ − σ
> parenrightbigparenrightbigparenrightbig
> +
> parenleftbigparenleftbigparenleftbig
> ξ̇,η − ξ
> parenrightbigparenrightbigparenrightbig
> that are not visible in any PDF viewer nor present if text is copied from
> there (tested: Acrobat Reades 9.3.2 and Preview 5.0.2).
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