https://bugs.kde.org/show_bug.cgi?id=469455
Bug ID: 469455
Summary: Certain common math character not rendered
Classification: Applications
Product: okular
Version: 23.04.0
Platform: Manjaro
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: PDF backend
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: ---
SUMMARY
I'm reading a scientific paper and came across a strange gap. Using other pdf
readers like the ones provided by firefox and chromium browsers, the symbol was
rendered correctly. The symbol in question being ∈. For some reason, it doens't
render, leaving a blank void. The text can be copied, however, which results in
this: `he ∈` and sometimes this `den ∈`, it appears to be random. It's
possible this issue may need to be escalated to whoever maintains the poppler
backend, if that's where the issue lies.
The file in question is freely available here:
https://www.dbs.ifi.lmu.de/Publikationen/Papers/KDD-96.final.frame.pdf
The problem appears a lot on page 3.
STEPS TO REPRODUCE
1. Open the example pdf
2. Scroll to page 3
OBSERVED RESULT
There is a blank void where the character should be.
EXPECTED RESULT
The character should be rendered correctly.
SOFTWARE/OS VERSIONS
Operating System: Manjaro Linux
KDE Plasma Version: 5.27.4
KDE Frameworks Version: 5.105.0
Qt Version: 5.15.9
Kernel Version: 6.2.12-1-MANJARO (64-bit)
Graphics Platform: X11
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