patch 8.1.1300: in a terminal 'ballooneval' does not work right away commit https://github.com/vim/vim/commit/2f10658b06bbdd8f25c4ff152266c808234cee0a Author: Bram Moolenaar <Bram@vim.org> Date: Wed May 8 21:59:25 2019 +0200 patch 8.1.1300: in a terminal 'ballooneval' does not work right away Problem: In a terminal 'ballooneval' does not work right away. Solution: Flush output after drawing the balloon. Add the <Ignore> key code. Add a test.

" Settings for test script execution
" Always use "COMMAND.COM", don't use the value of "$SHELL".
set shell=c:\COMMAND.COM shellquote= shellxquote= shellcmdflag=/c shellredir=>
" This is used only when the +eval feature is available.
if executable("cmd.exe")
   set shell=cmd.exe
endif

source setup.vim