patch 8.0.0356: leaking memory when setting 'ttytype' commit https://github.com/vim/vim/commit/354796c19a0a4a048017059a0281938cc0b8f09a Author: Bram Moolenaar <Bram@vim.org> Date: Thu Feb 23 17:18:37 2017 +0100 patch 8.0.0356: leaking memory when setting 'ttytype' Problem: Leaking memory when setting 'ttytype'. Solution: Get free_oldval from the right option entry.

" 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