commit https://github.com/vim/vim/commit/44ca54aeb9a0eca41aea203786e33d82e69d0615 Author: Bram Moolenaar <Bram@vim.org> Date: Sat Aug 27 15:41:32 2016 +0200 patch 7.4.2267 Problem: Build fails on MS-Windows. Solution: Add define to get isinf().

" For Yiddish 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