[okular] [Bug 372457] New: Bookmarks loosing in big documents.

[Max]

https://bugs.kde.org/show_bug.cgi?id=372457

            Bug ID: 372457
           Summary: Bookmarks loosing in big documents.
           Product: okular
           Version: 0.25.0
          Platform: Ubuntu Packages
                OS: Linux
            Status: UNCONFIRMED
          Severity: critical
          Priority: NOR
         Component: PDF backend
          Assignee: okular-devel at kde.org
          Reporter: fmaksim74 at gmail.com
  Target Milestone: ---

Created attachment 102225
  --> https://bugs.kde.org/attachment.cgi?id=102225&action=edit
Big pdf.

I found that all xpdf+poppler libs based PDF viewers has error with bookmarks
processing. In big pdf documents with long table of contents with many
sublevel, they cut TOC unpredictable.

I had test Okular, Evinece, xpdf and other viewers and all of them show the
same problem.

I attach a example document in samplebigpdf.zip. It was fixed in Master PDF 3
(bookmarks added for navigation).

In sample file PDF viewers do lose bookmarks:
Chapter I > 1. Some Basic Items  lost "Terms and Definitions"

Chapter I >  2. Binary and Hexadecimal Numbers lost all from 2.10

Chapter II > 3. Conceptual Structure of System Z  lost all from 3.8

and more.

The Adobe PDF Reader, Foxit Reader and PDF.js do not lose a bookmarks.

Thahks!

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