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https://issues.apache.org/jira/browse/FOP-3152?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17767887#comment-17767887
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Juhani Laiho commented on FOP-3152:
-----------------------------------
I was able to work around the problem using an addition to fo:declarations
found here: https://stackoverflow.com/a/55288153
Maybe this could be added to the FOP accessibility [Changes to your XSL-FO
input files|https://xmlgraphics.apache.org/fop/2.9/accessibility.html#source]
documentation?
> DisplayDocTitle true for accessible PDFs even when PDF/UA is not enabled
> ------------------------------------------------------------------------
>
> Key: FOP-3152
> URL: https://issues.apache.org/jira/browse/FOP-3152
> Project: FOP
> Issue Type: Improvement
> Components: renderer/pdf
> Affects Versions: 2.9
> Reporter: Juhani Laiho
> Priority: Major
> Labels: accessibility
>
> I noticed that the document title check fails in Acrobat Pro accessibility
> checker when [accessibility element is
> true|https://xmlgraphics.apache.org/fop/2.9/accessibility.html#Enabling-accessibility]
> in fop.xconf but [pdf-ua-mode
> element|https://xmlgraphics.apache.org/fop/2.9/accessibility.html#fop-xconf]
> is omitted. When, in addition to setting accessibility to true, I include
> pdf-ua-mode in fop.xconf with the value PDF/UA-1, the Acrobat Pro check
> passes.
> Based on comparing the decoded original PDF and a decoded PDF fixed by
> Acrobat Pro, the difference in failing and passing lies in the inclusion of
> DisplayDocTitle (with value true). [WCAG 2.1 technique page
> PDF18|https://www.w3.org/WAI/WCAG21/Techniques/pdf/PDF18] supports this
> conclusion.
> Is setting DisplayDocTitle to true tied to PDF/UA mode instead of
> accessibility in general on purpose? If not, could DisplayDocTitle be true
> whenever accessibility is enabled? My thinking is that some might not target
> PDF/UA compliance but would like to minimize the failures in accessibility
> checks nevertheless.
> Source files that are relevant in this to my understanding:
> fop-core/src/main/java/org/apache/fop/pdf/PDFRoot.java
> fop-core/src/test/java/org/apache/fop/pdf/PDFUATestCase.java
> Relevant Adobe Acrobat Pro support page (see heading "TITLE"):
> https://helpx.adobe.com/acrobat/using/create-verify-pdf-accessibility.html#check_accessibility_of_PDFs
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