STEPS TO REPRODUCE 1. Configure Kate -> Editing -> Vi input Mode 2. In "Key Mapping" table, create a mapping. 3. In the command or replacement column, input "<BS>" 4. Apply and save OBSERVED RESULT When you open the setting again, you'll see a wrong non-ASCII character in the keymapping column. And the keymapping won't work. EXPECTED RESULT Keymapping works. The column shows the original "<BS>" string SOFTWARE/OS VERSIONS Linux/KDE Plasma: kded-5.76.0 (available in About System) KDE Plasma Version: 5.18.6 KDE Frameworks Version: 5.76.0 Qt Version: 5.12.7