patch 8.2.3036: Vim9: builtin function arguments not checked at compile time Commit: https://github.com/vim/vim/commit/7237cab8f1d1a4391372cafdb57f2d97f3b32d05 Author: Yegappan Lakshmanan <yegappan@yahoo.com> Date: Tue Jun 22 19:52:27 2021 +0200 patch 8.2.3036: Vim9: builtin function arguments not checked at compile time Problem: Vim9: builtin function arguments not checked at compile time. Solution: Add more argument type specs. Check arguments to test_setmouse() and test_gui_mouse_event(). (Yegappan Lakshmanan, closes #8425)

" 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