commit https://github.com/vim/vim/commit/b07a82b6d5f904ed3e623e775c3458adb1cc0a3e Author: Bram Moolenaar <Bram@vim.org> Date: Sat Sep 3 20:08:56 2016 +0200 patch 7.4.2319 Problem: No way for a system wide vimrc to stop loading defaults.vim. (Christian Hesse) Solution: Bail out of defaults.vim if skip_defaults_vim was set.

TYPEMAP
VIWIN	T_VIOBJNOMUNGE
VIBUF	T_VIOBJNOMUNGE

INPUT
T_VIOBJNOMUNGE
	if (sv_isa($arg, \"${ntype}\")) {
	    IV tmp = SvIV((SV*)SvRV($arg));
	    $var = INT2PTR($type, tmp);
	    if (!tmp)
		croak(\"$ntype no longer exists\");
	}
	else
	    croak(\"$var is not of type ${ntype}\")