commit https://github.com/vim/vim/commit/9bbf63dbf8286fadc0cd6b3428010abb67b1b64d Author: Bram Moolenaar <Bram@vim.org> Date: Sat Jan 16 16:49:28 2016 +0100 patch 7.4.1105 Problem: When using slices there is a mixup of variable name and namespace. Solution: Recognize variables that can't be a namespace. (Hirohito Higashi)

" 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