patch 8.2.4829: a key may be simplified to NUL Commit: https://github.com/vim/vim/commit/17c95d9608370559441bb73941ba6d9a4b6b26bd Author: zeertzjq <zeertzjq@outlook.com> Date: Tue Apr 26 12:51:07 2022 +0100 patch 8.2.4829: a key may be simplified to NUL Problem: A key may be simplified to NUL. Solution: Use K_ZERO instead. Use macros instead of hard coded values. (closes #10290)

" 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