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https://issues.apache.org/jira/browse/TIKA-3008?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16993842#comment-16993842
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Cristian Vat commented on TIKA-3008:
------------------------------------
Added parser test and sample documents to my branch.
Seems to work in most cases and all WordParser tests still pass.
But I have a .doc that I can't share where some superscript fails to get
detected.
I'll try a little longer to duplicate the document somehow, but I have a
feeling it might be an issue for POI since during parsing the character run
doesn't have the style id I expect it to have.
> Word Doc/Docx Formatting Extraction - Superscript/Subscript
> -----------------------------------------------------------
>
> Key: TIKA-3008
> URL: https://issues.apache.org/jira/browse/TIKA-3008
> Project: Tika
> Issue Type: Bug
> Components: parser
> Affects Versions: 1.23
> Reporter: Cristian Vat
> Priority: Major
>
> Word extraction from .doc/.docx doesn't handle Superscript/Subscript at all.
> This changes the actual text extracted since character runs are merged
> together if only sup/sub is the difference since it doesn't generate any tags
> in between.
> Found to be especially problematic in case of some legal documents where
> getting "according to Art 51" instead of "according to Art 5^1^" completely
> changes the meaning.
>
> Problem seems to be both in old Word .doc and OOXML .docx formats parsing.
> Sub/sup can be present on actual character run or on the document style
> assigned to a character run.
>
> I'm already working on fixes and test documents, will comment with work in
> progress branch.
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