[jira] [Commented] (PDFBOX-1017) Some Ligatures in a PDF file are not recognised.

[Thomas Fischer (JIRA)]

    [ 
https://issues.apache.org/jira/browse/PDFBOX-1017?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13039000#comment-13039000
 ] 

Thomas Fischer commented on PDFBOX-1017:
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Yes, I believe that there is no mapping provided. I have two questions:
1. Is this a standard behaviour for PDF files created with OpenOffice or 
NeoOffice with usage of ligatures activated?
2. If this is the case, is there a way to "teach" PDFBox to transform these 
ligatures to the respective two- or three-character resolutions in the same way 
that PDFBox resolves the TeX-created ligatures fi, fl etc.? I would like to 
embed mappings like
E035 -> fft
E039 -> ft
E03A -> ck
into PDFBox, can this be done?

> Some Ligatures in a PDF file are not recognised.
> ------------------------------------------------
>
>                 Key: PDFBOX-1017
>                 URL: https://issues.apache.org/jira/browse/PDFBOX-1017
>             Project: PDFBox
>          Issue Type: Improvement
>          Components: Text extraction
>    Affects Versions: 1.6.0
>         Environment: Mac OS X 10.6.7, java version "1.6.0_24"
>            Reporter: Thomas Fischer
>              Labels: textExtraction
>         Attachments: Ligatures.pdf, Ligatures.txt
>
>
> In the attached file, some ligatures (Qu, Th, ch, ck, fft, ft, tt) are not 
> transformed but remain in the text with Unicode characters in the private 
> range UE0xx: "...im rabbinisen Sritum in untersiedlien Kontexten und 
> dort,..."

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