commit https://github.com/vim/vim/commit/bee6c0cf86a75faa2aa893f2c9db82fd944a89a5 Author: Bram Moolenaar <Bram@vim.org> Date: Fri Mar 25 15:40:50 2016 +0100 patch 7.4.1648 Problem: Compiler has a problem copying a string into di_key[]. (Yegappan Lakshmanan) Solution: Add dictitem16_T.

" 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