patch 8.1.1622: wrong width if displaying a lot of lines in a popup window commit https://github.com/vim/vim/commit/e296e3177b67bdcaa8b1f144d2495b9413e7055c Author: Bram Moolenaar <Bram@vim.org> Date: Wed Jul 3 23:20:18 2019 +0200 patch 8.1.1622: wrong width if displaying a lot of lines in a popup window Problem: Wrong width if displaying a lot of lines in a popup window. Solution: Accurately compute the line overflow.

" 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