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https://issues.apache.org/jira/browse/PDFBOX-624?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Villu Ruusmann updated PDFBOX-624:
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Attachment: documenta_math_page4-fixed.png
documenta_math-fixed.txt
> Misplaced text
> --------------
>
> Key: PDFBOX-624
> URL: https://issues.apache.org/jira/browse/PDFBOX-624
> Project: PDFBox
> Issue Type: Bug
> Components: FontBox, Text extraction, Utilities
> Affects Versions: 1.0.1
> Reporter: Villu Ruusmann
> Priority: Critical
> Attachments: documenta_math-fixed.txt, documenta_math.pdf,
> documenta_math.txt, documenta_math_page4-fixed.png, documenta_math_page4.png,
> FontBox.patch
>
>
> Thomas Fischer reported to [email protected] that
> org.apache.pdfbox.ExtractText interchanges typographic ligatures "fi" and
> "fl". The sample document "documenta_math.pdf" was created using TeX and AFPL
> Ghostscript 6.50.
> I used PDFBox 1.0.1-SNAPSHOT to verify this problem. The "fi" ligature
> behaves correctly (ie. text extraction yields "finite" and "infinite", not
> "flnite" and "inflnite"), but the overall text layout is a complete mess.
> Please see the PDF text extraction result "documenta_math.txt" and PDF
> rendering result "documenta_math_page4.png".
> The cause of the horizontal text misplacement is not yet known. This could
> affect all PDF documents which have been created using TeX.
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