patch 8.2.3263: Vim9: "..=" does not accept same types as the ".." operator Commit: https://github.com/vim/vim/commit/f5d52c90e0f2f51622a911b646024b2ad1225ed4 Author: Bram Moolenaar <Bram@vim.org> Date: Sat Jul 31 22:51:10 2021 +0200 patch 8.2.3263: Vim9: "..=" does not accept same types as the ".." operator Problem: Vim9: "..=" does not accept same types as the ".." operator. Solution: Convert value to string like ".." does. (issue https://github.com/vim/vim/issues/8664)

" 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