patch 8.1.1805: au_did_filetype is declared twice commit https://github.com/vim/vim/commit/6cd57d44669c02af9195f5601b882edd435b47e8 Author: Bram Moolenaar <Bram@vim.org> Date: Sat Aug 3 23:08:14 2019 +0200 patch 8.1.1805: au_did_filetype is declared twice Problem: Au_did_filetype is declared twice. Solution: Remove it from autocmd.c. (closes https://github.com/vim/vim/issues/4767)

" 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