[jira] [Created] (PDFBOX-4471) Different fields look alike if they have the same /AP/N before value change

["Tilman Hausherr (JIRA)" <ji...@apache.org>]

Tilman Hausherr created PDFBOX-4471:
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             Summary: Different fields look alike if they have the same /AP/N before value change
                 Key: PDFBOX-4471
                 URL: https://issues.apache.org/jira/browse/PDFBOX-4471
             Project: PDFBox
          Issue Type: Bug
          Components: AcroForm
    Affects Versions: 2.0.13
            Reporter: Tilman Hausherr
         Attachments: csOnePage.pdf

See attached SO answer - in the attached file, different fields point to the same /AP/N object. I think this could be fixed by changing {{AppearanceGeneratorHelper.setAppearanceValue()}} by removing the "if" segment in {{if (appearance != null && appearance.isStream())}} and keep the "else" part only.

I'm wondering why we are reusing the existing appearance stream, is there are use case to this? I ran the tests after making the change and there was a difference but it was invisible.



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