patch 9.0.0341: mapset() does not restore <Nop> mapping properly Commit: https://github.com/vim/vim/commit/92a3d20682d46359bb50a452b4f831659e799155 Author: zeertzjq <zeertzjq@outlook.com> Date: Wed Aug 31 16:40:17 2022 +0100 patch 9.0.0341: mapset() does not restore <Nop> mapping properly Problem: mapset() does not restore <Nop> mapping properly. Solution: Use an empty string for <Nop>. (closes https://github.com/vim/vim/issues/11022)