commit https://github.com/vim/vim/commit/36d7cd8965bc4027d420c7d70c56ac95d83d3bfa Author: Bram Moolenaar <Bram@vim.org> Date: Fri Jan 15 22:08:23 2016 +0100 patch 7.4.1099 Problem: It's not easy to know if Vim supports blowfish. (Smu Johnson) Solution: Add has('crypt-blowfish') and has('crypt-blowfish2').

" 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