commit https://github.com/vim/vim/commit/6fc8227ebfbdfbbb48b81b679db81f421dbce79b Author: Bram Moolenaar <Bram@vim.org> Date: Sun Aug 28 19:26:43 2016 +0200 patch 7.4.2287 Problem: The callback passed to ch_sendraw() is not used. Solution: Pass the read part, not the send part. (haya14busa, closes https://github.com/vim/vim/issues/1019)

" 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')