[jira] [Closed] (PDFBOX-4141) Suppress control characters?

["Andreas Meier (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/PDFBOX-4141?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Andreas Meier closed PDFBOX-4141.
---------------------------------
    Resolution: Feedback Received

> Suppress control characters?
> ----------------------------
>
>                 Key: PDFBOX-4141
>                 URL: https://issues.apache.org/jira/browse/PDFBOX-4141
>             Project: PDFBox
>          Issue Type: Improvement
>          Components: Text extraction
>    Affects Versions: 2.0.8
>            Reporter: Andreas Meier
>            Priority: Minor
>         Attachments: 000016.pdf, Mapping_default_to_adobe.csv, 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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