commit https://github.com/vim/vim/commit/e5a8f35b4286135f3469f3b00a6c2220553d9658 Author: Bram Moolenaar <Bram@vim.org> Date: Tue Aug 16 21:30:54 2016 +0200 patch 7.4.2220 Problem: printf() gives an error when the argument for %s is not a string. (Ozaki Kiichi) Solution: Behave like invoking string() on the argument. (Ken Takata)

" Assume 'encoding' is set to "latin1" while actually cp1253 or iso-8859-7 is
" being used
if has("win16") || has("win32") || has("win32unix")
  source <sfile>:p:h/greek_cp1253.vim
else
  source <sfile>:p:h/greek_iso-8859-7.vim
endif