patch 8.0.0396: 'balloonexpr' only works synchronously commit https://github.com/vim/vim/commit/59716a27bd5c6c64def6c3ca430ff1246deae749 Author: Bram Moolenaar <Bram@vim.org> Date: Wed Mar 1 20:32:44 2017 +0100 patch 8.0.0396: 'balloonexpr' only works synchronously Problem: 'balloonexpr' only works synchronously. Solution: Add balloon_show(). (Jusufadis Bakamovic, closes https://github.com/vim/vim/issues/1449)

" Vim script used in test_eval.in.  Needed for script-local function.

func! s:Testje()
  return "foo"
endfunc
let Bar = function('s:Testje')
$put ='s:Testje exists: ' . exists('s:Testje')
$put ='func s:Testje exists: ' . exists('*s:Testje')
$put ='Bar exists: ' . exists('Bar')
$put ='func Bar exists: ' . exists('*Bar')