patch 9.0.0411: only created files can be cleaned up with one call Commit: https://github.com/vim/vim/commit/6f14da15ac900589f2f413d77898b9bff3b31ece Author: Bram Moolenaar <Bram@vim.org> Date: Wed Sep 7 21:30:44 2022 +0100 patch 9.0.0411: only created files can be cleaned up with one call Problem: Only created files can be cleaned up with one call. Solution: Add flags to mkdir() to delete with a deferred function. Expand the writefile() name to a full path to handle changing directory.

" 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