commit https://github.com/vim/vim/commit/04bff88df6211f64731bf8f5afa088e94496db16 Author: Bram Moolenaar <Bram@vim.org> Date: Tue Jan 5 20:46:16 2016 +0100 patch 7.4.1052 Problem: Illegal memory access with weird syntax command. (Dominique Pelle) Solution: Check for column past end of line.

" 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