commit https://github.com/vim/vim/commit/631225627d448b591e529a5d3e7ac74ef44b8459 Author: Bram Moolenaar <Bram@vim.org> Date: Sat Apr 30 12:28:15 2016 +0200 patch 7.4.1800 Problem: Unnecessary #ifdef. Solution: Just use USE_24BIT. (Ken Takata)

" 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