[okular] [Bug 462304] New: Okular and other poppler related tools cannot handle some pdf pages

[cipricus]

https://bugs.kde.org/show_bug.cgi?id=462304

            Bug ID: 462304
           Summary: Okular and other poppler related tools cannot handle
                    some pdf pages
    Classification: Applications
           Product: okular
           Version: 22.08.1
          Platform: Ubuntu
                OS: Linux
            Status: REPORTED
          Severity: normal
          Priority: NOR
         Component: PDF backend
          Assignee: okular-devel at kde.org
          Reporter: cipricus at gmail.com
  Target Milestone: ---

Created attachment 154078
  --> https://bugs.kde.org/attachment.cgi?id=154078&action=edit
example of the pdf page Okular views as blank

Okular cannot see the content of many pages of an old scanned book. they appear
blank although many other tools can see them just fine (internet browser except
Falkon, Adobe Reader, Foxit, Master PDF, WPS PDF,  LibreOffice Draw,
ImageMagick, mupdf, PDF Studio Viewer).

 The problem seems to be with poppler, because qpdfviewer and Falkon have the
same problem. As far as I could test Evince cannot even open that pdf.

I couldn't get technical details on that type of page, so I'll upload here a
sample.

More details at links posted here:
https://www.reddit.com/r/kde/comments/z591ia/how_come_only_okular_cannot_see_this_pdf_page/?utm_source=share&utm_medium=web2x&context=3

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