patch 8.2.3609: internal error when ModeChanged is triggered recursively Commit: https://github.com/vim/vim/commit/3075a45592fe76f2febb6321632a23e352efe949 Author: Bram Moolenaar <Bram@vim.org> Date: Wed Nov 17 15:51:52 2021 +0000 patch 8.2.3609: internal error when ModeChanged is triggered recursively Problem: Internal error when ModeChanged is triggered when v:event is already in use. Solution: Save and restore v:event if needed.