patch 8.1.0651: :args "foo works like :args without argument commit https://github.com/vim/vim/commit/2ac372ccee1af6f9fa105bf2648d5e4efa554236 Author: Bram Moolenaar <Bram@vim.org> Date: Fri Dec 28 19:06:47 2018 +0100 patch 8.1.0651: :args \"foo works like :args without argument Problem: :args \"foo works like :args without argument. Solution: Fix check for empty argument. (closes https://github.com/vim/vim/issues/3728)

" 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