patch 8.2.4224: Vim9: no error when using a number for map() second argument Commit: https://github.com/vim/vim/commit/1080c48ec8d672d7e9fbefb5a1255c9df09a2884 Author: Bram Moolenaar <Bram@vim.org> Date: Wed Jan 26 18:26:21 2022 +0000 patch 8.2.4224: Vim9: no error when using a number for map() second argument Problem: Vim9: no error when using a number for map() second argument Solution: Disallow number to string conversion. (closes https://github.com/vim/vim/issues/9630)

" 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