commit https://github.com/vim/vim/commit/f59c73da1e8eb16e7b49b4465aedd1d6ddacc6fd Author: Bram Moolenaar <Bram@vim.org> Date: Tue Oct 13 17:52:59 2015 +0200 patch 7.4.894 Problem: vimrun.exe is picky about the number of spaces before -s. Solution: Skip all spaces. (Cam Sinclair)

" For Hebrew capitals should not be checked.  But only change the
" 'spellcapcheck' option when it is not at its default value.
let s:spc = &l:spc
setlocal spc&
if s:spc == &l:spc
  setlocal spc=
else
  let &l:spc = s:spc
endif
unlet s:spc