patch 8.1.2265: when popup with "botleft" does not fit it flips incorrectly Commit: https://github.com/vim/vim/commit/638a4a7508082f8700b135953e4f9465f675a0f5 Author: Bram Moolenaar <Bram@vim.org> Date: Wed Nov 6 19:25:22 2019 +0100 patch 8.1.2265: when popup with "botleft" does not fit it flips incorrectly Problem: When popup with "botleft" does not fit it flips incorrectly. Solution: Only flip when there is more space on the other side. Add the "posinvert" option to disable flipping and do it in both directions if enabled. (closes #5151)

" 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