commit https://github.com/vim/vim/commit/9a3b3311d26c990208150255ad65472bb4eefaa4 Author: Bram Moolenaar <Bram@vim.org> Date: Sun May 1 20:20:49 2016 +0200 patch 7.4.1815 Problem: Compiler warnings for unused variables. (Ajit Thakkar) Solution: Add a dummy initialization. (Yasuhiro Matsumoto)

" 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