patch 8.0.0380: with 'linebreak' double wide char wraps badly commit https://github.com/vim/vim/commit/38632faf635f6434441827e136bceb5a930c59ad Author: Bram Moolenaar <Bram@vim.org> Date: Sun Feb 26 19:40:59 2017 +0100 patch 8.0.0380: with 'linebreak' double wide char wraps badly Problem: With 'linebreak' set and 'breakat' includes ">" a double-wide character results in "<<" displayed. Solution: Check for the character not to be replaced. (Ozaki Kiichi, closes #1456)

" 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