[konsole] [Bug 433604] New: Odd misalignment of unicode symbols

[Ricardo Bánffy]

https://bugs.kde.org/show_bug.cgi?id=433604

            Bug ID: 433604
           Summary: Odd misalignment of unicode symbols
           Product: konsole
           Version: 20.08.2
          Platform: Ubuntu Packages
                OS: Linux
            Status: REPORTED
          Severity: normal
          Priority: NOR
         Component: font
          Assignee: konsole-devel at kde.org
          Reporter: rbanffy at gmail.com
  Target Milestone: ---

SUMMARY

The top and bottom halfves of large parentheses, probably coming from the
fallback font, show a misalignment issue. The spacing changes depending on
which cells are selected or not. It doesn't affect all fonts.


STEPS TO REPRODUCE
1. Set the terminal to an affected font (my https://github.com/rbanffy/3270font
is one)
2. Run Sage (`docker run -it sagemath/sagemath`)
3. Enter commands `%display unicode_art` and `diff(sin(x ** 2), x, 4)`
4. See the misalignment parentheses
5. Start selecting the bottom line. When selection goes over the '⋅', the
spacing changes, changing the misalignments

OBSERVED RESULT
Characters are misaligned
Misalignment changes with selection

EXPECTED RESULT
Characters are aligned
Alignment doesn't change with selection


SOFTWARE/OS VERSIONS
Windows: 
macOS: 
Linux/KDE Plasma: Ubuntu 20.10 
(available in About System)
KDE Plasma Version: 
KDE Frameworks Version: 
Qt Version: 5.14.2

ADDITIONAL INFORMATION

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