patch 8.1.1364: design for popup window support needs more details commit https://github.com/vim/vim/commit/5c017b2de28d19dfa4af58b8973e32f31bb1477e Author: Bram Moolenaar <Bram@vim.org> Date: Tue May 21 23:09:01 2019 +0200 patch 8.1.1364: design for popup window support needs more details Problem: Design for popup window support needs more details. Solution: Add details about using a window and buffer. Rename popup_show() to popup_create() and add popup_show() and popup_hide().

" 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