patch 9.0.1576: users may not know what to do with an internal error Commit: https://github.com/vim/vim/commit/097c5370ea8abab17ceb0f3bcd74f57b1655c7f7 Author: Bram Moolenaar <Bram@vim.org> Date: Wed May 24 21:02:24 2023 +0100 patch 9.0.1576: users may not know what to do with an internal error Problem: Users may not know what to do with an internal error. Solution: Add a translated message with instructions.

" 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