patch 8.2.4379: an empty change is reported to a listener Commit: https://github.com/vim/vim/commit/55737c2a31ed450dd7bf2a9c587adfbb32b755bb Author: Bram Moolenaar <Bram@vim.org> Date: Mon Feb 14 14:51:22 2022 +0000 patch 8.2.4379: an empty change is reported to a listener Problem: An empty change is reported to a listener. Solution: Do not report an empty change. (closes https://github.com/vim/vim/issues/9768) Remove unused return value.

" 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