patch 9.0.1362: ml_get error when going to another tab Commit: https://github.com/vim/vim/commit/99ad3a8bb95c6f860545a050472b6181e33bac1a Author: Bram Moolenaar <Bram@vim.org> Date: Mon Feb 27 17:18:01 2023 +0000 patch 9.0.1362: ml_get error when going to another tab Problem: ml_get error when going to another tab. (Daniel J. Perry) Solution: Do not call update_topline() if "curwin" is invalid. (closes #11907)

" 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