patch 8.1.0537: ui_breakcheck() may be called recursively commit https://github.com/vim/vim/commit/48d23bb4de3dd37ba0d0b22e7c39d6b894cb1f75 Author: Bram Moolenaar <Bram@vim.org> Date: Tue Nov 20 02:42:43 2018 +0100 patch 8.1.0537: ui_breakcheck() may be called recursively Problem: ui_breakcheck() may be called recursively, which doesn't work. Solution: When called recursively, just return. (James McCoy, closes https://github.com/vim/vim/issues/3617)