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Posted to dev@pdfbox.apache.org by "Andreas Meier (JIRA)" <ji...@apache.org> on 2018/03/05 14:16:00 UTC
[jira] [Updated] (PDFBOX-4141) Suppress control characters?
[ https://issues.apache.org/jira/browse/PDFBOX-4141?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Andreas Meier updated PDFBOX-4141:
----------------------------------
Attachment: Test_without_MW.txt
Test_with_MW_linux.jpg
Test_with_MW_AdobeReader_export.txt
Test_with_MW.txt
Test_with_MW.pdf
> Suppress control characters?
> ----------------------------
>
> Key: PDFBOX-4141
> URL: https://issues.apache.org/jira/browse/PDFBOX-4141
> Project: PDFBox
> Issue Type: Improvement
> Components: Parsing
> Reporter: Andreas Meier
> Priority: Minor
> Attachments: Test_with_MW.pdf, Test_with_MW.txt, Test_with_MW_AdobeReader_export.txt, Test_with_MW_linux.jpg, Test_without_MW.txt
>
>
> At the moment pdfbox extracts all types of characters.
> Therefore control characters that occur will also be extracted.
> Unfortunately some of these control characters might deform text.
> For example 'MESSAGE WAITING' (U+0095) [MW]
> I attached some files and a screenshot how text is printed when MESSAGE WAITING is present.
> Should PDFBox handle this type of characters? Maybe suppress them in PDFTextStripper?
> I know that PDFBox works correctly in this case, a feature to turn off or suppress special characters might produce better output than the default Setting unless some control characters are used for any further processing!?
> Feedback appreciated.
> What other programs do:
> a) ignore control characters (Okular PDF Viewer - KDE)
> b) exchange them (Adobe Reader wrote a dot "." in place of MW)
> Regards
> Andreas
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