patch 8.2.3314: behavior of exists() in a :def function is unpredictable Commit: https://github.com/vim/vim/commit/267359902c8792fed13543ddeb56c6df0ae74957 Author: Bram Moolenaar <Bram@vim.org> Date: Sun Aug 8 14:43:22 2021 +0200 patch 8.2.3314: behavior of exists() in a :def function is unpredictable Problem: Behavior of exists() in a :def function is unpredictable. Solution: Add exists_compiled().

" Tests for :undo

func Test_ex_undo()
  new ex-undo
  setlocal ul=10
  exe "normal ione\n\<Esc>"
  setlocal ul=10
  exe "normal itwo\n\<Esc>"
  setlocal ul=10
  exe "normal ithree\n\<Esc>"
  call assert_equal(4, line('$'))
  undo
  call assert_equal(3, line('$'))
  undo 1
  call assert_equal(2, line('$'))
  undo 0
  call assert_equal(1, line('$'))
  quit!
endfunc

" vim: shiftwidth=2 sts=2 expandtab