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https://issues.apache.org/jira/browse/PDFBOX-6179?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18067863#comment-18067863
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Michael Klink commented on PDFBOX-6179:
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Exactly, the end of both the versions of that spec piece indicates that there
can be actual distinct field objects with the same FQN. They can differ in more
aspects than mere widgets of the same field can
> Removing fields not possible
> ----------------------------
>
> Key: PDFBOX-6179
> URL: https://issues.apache.org/jira/browse/PDFBOX-6179
> Project: PDFBox
> Issue Type: Bug
> Components: AcroForm
> Affects Versions: 2.0.36, 3.0.7 PDFBox
> Reporter: Stefan Ziegler
> Priority: Major
> Fix For: 2.0.37, 3.0.8 PDFBox, 4.0.0
>
> Attachments: simple_form.pdf
>
>
> Seems that fields can no longer be removed like this:
> PDField field = acroForm.getField("XXXXX");
> List<PDField> fields = acroForm.getFields();
> fields.remove(field);
> Internally, the field is never found. PDField has no equals method. getField
> and getFields create new PDField instances and so equals fails in this case.
> Shouldn't there be an equals method in PDField, that compares the underlying
> COSObject?
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