patch 9.0.0961: using deletebufline() may jump to another window Commit: https://github.com/vim/vim/commit/3da8597fc07505c0f8839b0834aafe1c10ffb456 Author: Bram Moolenaar <Bram@vim.org> Date: Sun Nov 27 19:45:49 2022 +0000 patch 9.0.0961: using deletebufline() may jump to another window Problem: Using deletebufline() may jump to another window. Solution: Do not use a window where the buffer was only in the past. (closes #11594)

" 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