https://bugs.kde.org/show_bug.cgi?id=426636

            Bug ID: 426636
           Summary: LaTeX output scrambled
           Product: cantor
           Version: 20.08
          Platform: Archlinux Packages
                OS: Linux
            Status: REPORTED
          Severity: major
          Priority: NOR
         Component: general
          Assignee: cantor-b...@kde.org
          Reporter: falsifiabil...@posteo.de
  Target Milestone: ---

Created attachment 131719
  --> https://bugs.kde.org/attachment.cgi?id=131719&action=edit
LaTeX output

SUMMARY

[Problem]
Any LaTeX output (from a LaTeX entry or output of e.g. a sagemath command) is
scrambled.

[System]
I use a 64bit arch linux with X window system with KDE as DE. Packages from
arch repo.

[Application and library versions]
cantor version: 20.08.1
KDE Frameworks 5.74.0
Qt 5.15.1 (built against 5.15.1)

GPL Ghostscript 9.53.1 (2020-09-14)
libspectre 0.2.9-1

[Terminal Output]
converting to eps:  "/usr/bin/dvips" -E -o
"/tmp/cantor_02a144ee_54be_4fa4_9076_272b024af729.eps"
"/tmp/cantor_02a144ee_54be_4fa4_9076_272b024af729.dvi"
remove temporary files for  "/tmp/cantor_tex-eoHEfR.tex"
rendered a result to  "/tmp/cantor_02a144ee_54be_4fa4_9076_272b024af729.eps"
setting result to a type  7  result
update Entry
rendering eps file: 
QUrl("file:///tmp/cantor_02a144ee_54be_4fa4_9076_272b024af729.eps")
scale:  1.8
dimension:  126 x 23.4
**** Unable to open the initial device, quitting.
(libspectre) ghostscript reports: fatal internal error
-100QUrl("internal:0bc197c3_2108_4505_b939_7b27c2f26835")

[Remark]

STEPS TO REPRODUCE
1. Install cantor on arch linux
2. Open Worksheet (any backend)
3. Insert a LaTeX entry and execute

or

1. Install cantor on arch linux
2. Open Worksheet (Sage backend)
3. Insert a command (any matrix will do), see attachment

OBSERVED RESULT
No correct display of LaTeX/command output.


EXPECTED RESULT
Correct display of LaTeX/command output.

SOFTWARE/OS VERSIONS
Linux/KDE Plasma: Arch Linux x86_64, Kernel 5.8.9-arch2-1
(available in About System)
KDE Plasma Version: 5.19.5
KDE Frameworks Version: 5.74.0
Qt Version: 5.15.1

ADDITIONAL INFORMATION

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