patch 8.0.0983: unnecessary check for NULL pointer commit https://github.com/vim/vim/commit/3f9a1ff141412e9e85f7dff47d02946cb9be9228 Author: Bram Moolenaar <Bram@vim.org> Date: Mon Aug 21 22:06:02 2017 +0200 patch 8.0.0983: unnecessary check for NULL pointer Problem: Unnecessary check for NULL pointer. Solution: Remove the NULL check in dialog_changed(), it already happens in dialog_msg(). (Ken Takata)

" Test for joining lines.

func Test_join_with_count()
  new
  call setline(1, ['one', 'two', 'three', 'four'])
  normal J
  call assert_equal('one two', getline(1))
  %del
  call setline(1, ['one', 'two', 'three', 'four'])
  normal 10J
  call assert_equal('one two three four', getline(1))
  quit!
endfunc