patch 8.0.1293: setting a breakpoint in the terminal debugger sometimes fails commit https://github.com/vim/vim/commit/60e73f2acc890f07056fa1bea8dbe89d26918b3e Author: Bram Moolenaar <Bram@vim.org> Date: Sun Nov 12 18:02:06 2017 +0100 patch 8.0.1293: setting a breakpoint in the terminal debugger sometimes fails Problem: Setting a breakpoint in the terminal debugger sometimes fails. Solution: Interrupt the program if needed. Set the interface to async.

" vimrc for test_gui_init.vim

" Note that this flag must be added in the .vimrc file, before switching on
" syntax or filetype recognition (when the |gvimrc| file is sourced the system
" menu has already been loaded; the ":syntax on" and ":filetype on" commands
" load the menu too).
set guioptions+=M