commit https://github.com/vim/vim/commit/f0e86a0dbddc18568910e9e4aaae0cd88ca8087a Author: Bram Moolenaar <Bram@vim.org> Date: Sat Mar 19 19:38:12 2016 +0100 patch 7.4.1607 Problem: Comparing a function that exists on two dicts is not backwards compatible. (Thinca) Solution: Only compare the function, not what the partial adds.

" 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