patch 8.1.1419: listener callbacks may be called recursively commit https://github.com/vim/vim/commit/68a4b04a8d2471adf9de595745437c7cf20b98d8 Author: Bram Moolenaar <Bram@vim.org> Date: Wed May 29 22:28:29 2019 +0200 patch 8.1.1419: listener callbacks may be called recursively Problem: Listener callbacks may be called recursively. Solution: Set "updating_screen" while listener callbacks are invoked.