patch 8.2.3200: Vim9: hard to guess where a type error is given Commit: https://github.com/vim/vim/commit/7a3fe3e180bdbce8f193abdf399559c5154bdaae Author: Bram Moolenaar <Bram@vim.org> Date: Thu Jul 22 14:58:47 2021 +0200 patch 8.2.3200: Vim9: hard to guess where a type error is given Problem: Vim9: hard to guess where a type error is given. Solution: Add the function name where possible. (closes https://github.com/vim/vim/issues/8608)

" 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