patch 8.1.1756: autocommand that splits window messes up window layout commit https://github.com/vim/vim/commit/1417c766f55e5959b31da488417b7d9b141404af Author: Bram Moolenaar <Bram@vim.org> Date: Sat Jul 27 17:31:36 2019 +0200 patch 8.1.1756: autocommand that splits window messes up window layout Problem: Autocommand that splits window messes up window layout. Solution: Disallow splitting a window while closing one. In ":all" give an error when moving a window will not work.

func Test_yank_put_clipboard()
  new
  call setline(1, ['a', 'b', 'c'])
  set clipboard=unnamed
  g/^/normal yyp
  call assert_equal(['a', 'a', 'b', 'b', 'c', 'c'], getline(1, 6))

  set clipboard&
  bwipe!
endfunc

func Test_nested_global()
  new
  call setline(1, ['nothing', 'found', 'found bad', 'bad'])
  call assert_fails('g/found/3v/bad/s/^/++/', 'E147')
  g/found/v/bad/s/^/++/
  call assert_equal(['nothing', '++found', 'found bad', 'bad'], getline(1, 4))
  bwipe!
endfunc