Description: On Windows, the default shortcut for ZWNJ is ctrl+shift+2. To use that, one should activate Persian keyboard layout, and then press this key combination. Zero-width non-joiner https://en.wikipedia.org/wiki/ZWNJ This does not work on LibreOffice Calc. At the same time, typing ZWNJ using this key combination is possible in Notepad. Steps to Reproduce: 1. Open Calc 2. Activate Persian keyboard layout 2. Type می then ctrl+shift+2 and then شود Actual Results: After pressing ctrl+shift+2, the selected cell comes out of the editing mode, and the rest of the word that is typed is overwritten on the previous text. Expected Results: ZWNJ should be inserted in the document. For example, if you type می then ZWNJ and then شود you should get میشود, but you will get شود because the previous part is overwritten. Reproducible: Always User Profile Reset: No Additional Info: Additional Info: Version: 7.5.0.0.alpha0+ (x64) / LibreOffice Community Build ID: f505d8fee149f089090b208db99a7b4107af76e9 CPU threads: 4; OS: Windows 10.0 Build 19044; UI render: Skia/Raster; VCL: win Locale: fa-IR (fa_IR); UI: en-US Calc: threaded