commit https://github.com/vim/vim/commit/fefecb0fbe14c44d46f91036d76bbb6c28162da8 Author: Bram Moolenaar <Bram@vim.org> Date: Sat Feb 27 21:27:20 2016 +0100 patch 7.4.1440 Problem: Can't build on Windows. Solution: Change #ifdefs. Only define isnan when used.

" 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