Use SAL_USE_VCLPLUGIN=kde5 to launch LibreOffice 6.2 rc2, I can input both English and Chinese but can not delete characters with Backspace. I have to select the characters I want to delete and then hit Backspace.
Backspace works well under SAL_USE_VCLPLUGIN=kde4. It also works well in Writer/Impress/Draw/Math under SAL_USE_VCLPLUGIN=kde5. Only Calc under kde5 has this problem.
Steps to Reproduce:
1. open Calc with SAL_USE_VCLPLUGIN=kde5
2. Input some alphanumeric in a cell
3. Use Backspace to delete
Backspace doesn't work. No any reaction.
It should be able to delete characters.
User Profile Reset: No
When I select some texts I can use Backspace to delete.
Created attachment 148287 [details]
Screencast showing this problem
*** This bug has been marked as a duplicate of bug 122238 ***