commit https://github.com/vim/vim/commit/e516c39ee97cb85fa230fbb1b1f54ad1346920d9 Author: Bram Moolenaar <Bram@vim.org> Date: Sat Feb 13 18:50:38 2016 +0100 patch 7.4.1314 Problem: Warning for uninitialzed variable. Solution: Initialize it. (Dominique Pelle)

" 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