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https://issues.apache.org/jira/browse/TIKA-3852?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17603644#comment-17603644
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Tim Allison commented on TIKA-3852:
-----------------------------------

[~tilman]...this is embarrassing...  Is it possible to have a signature on an 
acrofield, but then not also have that signature at the document level?

We're currently writing Acrofield signature info to the stream starting here: 
https://github.com/apache/tika/blob/main/tika-parsers/tika-parsers-standard/tika-parsers-standard-modules/tika-parser-pdf-module/src/main/java/org/apache/tika/parser/pdf/AbstractPDF2XHTML.java#L1121

Do we also need to write that info to the parent's metadata or will the new 
code 
(https://github.com/apache/tika/blob/main/tika-parsers/tika-parsers-standard/tika-parsers-standard-modules/tika-parser-pdf-module/src/main/java/org/apache/tika/parser/pdf/PDFParser.java#L224)
 suffice?

Sorry and thank you!

> Extract signature info from PDFs
> --------------------------------
>
>                 Key: TIKA-3852
>                 URL: https://issues.apache.org/jira/browse/TIKA-3852
>             Project: Tika
>          Issue Type: Wish
>            Reporter: Tim Allison
>            Priority: Minor
>
> We already do this for acroforms (at least in the contents), but we should 
> also do this at the document level.



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