[Libreoffice-bugs] [Bug 140289] New: PDF/UA export has no/incorrect tab order

[bugzilla-daemon at bugs.documentfoundation.org]

https://bugs.documentfoundation.org/show_bug.cgi?id=140289

            Bug ID: 140289
           Summary: PDF/UA export has no/incorrect tab order
           Product: LibreOffice
           Version: 7.1.0.3 release
          Hardware: All
                OS: All
            Status: UNCONFIRMED
          Severity: normal
          Priority: medium
         Component: Printing and PDF export
          Assignee: libreoffice-bugs at lists.freedesktop.org
          Reporter: dustinmatzel at yahoo.de

Created attachment 169605
  --> https://bugs.documentfoundation.org/attachment.cgi?id=169605&action=edit
Example odt file

Description:
When a document is exported as a pdf, the tab order seems to be set incorrectly
or not set at all. When a pdf is tested for accessibility using Adobe Acrobat
Pro DC, it always shows that the "Tab order" test failed for every page.
Adobe Acrobat can fix this issue with the following statement:
Tab order set to match structure order in all pages successfully.

Espacially with the new PDF/UA export, exported documents should not fail the
accessibility tests.

Tested:
Tested on 7.1.0 and dialy master build, which includes the fix for bug #139643.

Steps to reproduce:
1. Open new Writer document and add a title in the preferences.
2. Add 10,000 words lorem ipsum
2. "Export as PDF..." with "Universal Accessibillity (PDF/UA)" enabled.
3. Accessibility check with Adobe Acrobat Pro DC: Tab order - failed

Reproducible: Always, all OSs

Attachments:
- Example odt
- Example pdf created from lo
- Screenshot of the issue in Adobe Acrobat Pro DC
- Example pdf where the tab order was corrected by Adobe Acrobat Pro DC

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