patch 8.2.0372: prop_find() may not find text property at start of the line Commit: https://github.com/vim/vim/commit/66b98854d86f641db036fd1e6cf20f7b8905344e Author: Bram Moolenaar <Bram@vim.org> Date: Wed Mar 11 19:15:52 2020 +0100 patch 8.2.0372: prop_find() may not find text property at start of the line Problem: Prop_find() may not find text property at start of the line. Solution: Adjust the loop to find properties. (Axel Forsman, closes https://github.com/vim/vim/issues/5761, closes #5663)

" 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