[okular] [Bug 453758] New: Okular fails to render some mathematical symbols in PDF

[Corentin Poupry]

https://bugs.kde.org/show_bug.cgi?id=453758

            Bug ID: 453758
           Summary: Okular fails to render some mathematical symbols in
                    PDF
           Product: okular
           Version: 22.04.0
          Platform: Archlinux Packages
                OS: Linux
            Status: REPORTED
          Severity: normal
          Priority: NOR
         Component: PDF backend
          Assignee: okular-devel at kde.org
          Reporter: pouprycorentin44 at gmail.com
  Target Milestone: ---

SUMMARY

Okular does not correctly render some mathematical symbols in some PDFs I use
as a student. I found a reference to a similar bug here
https://bugs.freedesktop.org/show_bug.cgi?id=32237

I can't provide the PDF here for copyright reasons, but I could send it to a
developer

STEPS TO REPRODUCE
1. Open the PDF
2. Note that some symbols are missing

OBSERVED RESULT
Some symbols are missing and make the document uninterpretable


EXPECTED RESULT
The document symbols should be interpretable

SOFTWARE/OS VERSIONS
Operating System: Arch Linux
KDE Plasma Version: 5.24.5
KDE Frameworks Version: 5.93.0
Qt Version: 5.15.3
Kernel Version: 5.17.5-arch1-1 (64-bit)
Graphics Platform: X11
Processors: 8 × Intel® Core™ i7-7700 CPU @ 3.60GHz
Memory: 15.6 Gio of RAM
Graphics Processor: NVIDIA GeForce GTX 1070/PCIe/SSE2

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