patch 9.0.1468: recursively calling :defer function if it does :qa Commit: https://github.com/vim/vim/commit/a1f2b5ddc63d4e2b6ab047d8c839dd8477b36aba Author: zeertzjq <zeertzjq@outlook.com> Date: Tue Apr 18 21:04:53 2023 +0100 patch 9.0.1468: recursively calling :defer function if it does :qa Problem: Recursively calling :defer function if it does :qa in a compiled function. Solution: Clear the defer entry before calling the function. (closes #12271)

" 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