patch 8.2.3278: Vim9: error when adding 1 to float Commit: https://github.com/vim/vim/commit/7bf9a07bd7d6264f623109c2896b2a4002c86080 Author: Bram Moolenaar <Bram@vim.org> Date: Mon Aug 2 21:55:15 2021 +0200 patch 8.2.3278: Vim9: error when adding 1 to float Problem: Vim9: error when adding 1 to float. Solution: Accept t_number_bool. (closes https://github.com/vim/vim/issues/8687)

" 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