patch 8.0.0275: the screen may be updated at the wrong time commit https://github.com/vim/vim/commit/e3caa1109072b9655f8d5103c92efd73177f8577 Author: Bram Moolenaar <Bram@vim.org> Date: Tue Jan 31 22:07:42 2017 +0100 patch 8.0.0275: the screen may be updated at the wrong time Problem: When checking for CTRL-C typed the GUI may detect a screen resize and redraw the screen, causing trouble. Solution: Set updating_screen in ui_breakcheck().