patch 8.1.2057: the screen.c file is much too big Commit: https://github.com/vim/vim/commit/7528d1f6b5422750eb778dfb550cfd0b0e540964 Author: Bram Moolenaar <Bram@vim.org> Date: Thu Sep 19 23:06:20 2019 +0200 patch 8.1.2057: the screen.c file is much too big Problem: The screen.c file is much too big. Solution: Split it in three parts. (Yegappan Lakshmanan, closes https://github.com/vim/vim/issues/4943)

function Test_Comparators()
  try
    let oldisident=&isident
    set isident+=#
    call assert_equal(1, 1 is#1)
  finally
    let &isident=oldisident
  endtry
endfunction