[jira] Updated: (PDFBOX-727) The extracted text of a PDF document created using TeX contains remnants of TeX commands like \parenleftbig etc.

["Thomas Fischer (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/PDFBOX-727?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Thomas Fischer updated PDFBOX-727:
----------------------------------

    Attachment: 359.pdf
                359.txt

A PDF file showing this behaviour and the text extracted from there using PDFBox 1.1.0 with org.apache.pdfbox.ExtractText -encoding UTF-8.

> 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
>
>
> 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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