patch 8.2.0844: text properties crossing lines not handled correctly Commit: https://github.com/vim/vim/commit/a9d4b84d97fb74061eeb42c1433e111fb58825dc Author: Bram Moolenaar <Bram@vim.org> Date: Sat May 30 14:46:52 2020 +0200 patch 8.2.0844: text properties crossing lines not handled correctly Problem: Text properties crossing lines not handled correctly. Solution: When saving for undo include an extra line when needed and do not adjust properties when undoing. (Axel Forsman, closes #5875)

" Tests for the :set command

function Test_set_backslash()
  let isk_save = &isk

  set isk=a,b,c
  set isk+=d
  call assert_equal('a,b,c,d', &isk)
  set isk+=\\,e
  call assert_equal('a,b,c,d,\,e', &isk)
  set isk-=e
  call assert_equal('a,b,c,d,\', &isk)
  set isk-=\\
  call assert_equal('a,b,c,d', &isk)

  let &isk = isk_save
endfunction

function Test_set_add()
  let wig_save = &wig

  set wildignore=*.png,
  set wildignore+=*.jpg
  call assert_equal('*.png,*.jpg', &wig)

  let &wig = wig_save
endfunction