commit https://github.com/vim/vim/commit/4e329fcaf7122370a6d1815a30aaf29476d3f722 Author: Bram Moolenaar <Bram@vim.org> Date: Mon Mar 7 15:24:03 2016 +0100 patch 7.4.1507 Problem: Crash when starting a job fails. Solution: Check for the channel to be NULL. (idea by Yasuhiro Matsumoto)

" For Hebrew 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