patch 8.1.0519: cannot save and restore the tag stack commit https://github.com/vim/vim/commit/f49cc60aa802862c595ff619dccc11271633a94b Author: Bram Moolenaar <Bram@vim.org> Date: Sun Nov 11 15:21:05 2018 +0100 patch 8.1.0519: cannot save and restore the tag stack Problem: Cannot save and restore the tag stack. Solution: Add gettagstack() and settagstack(). (Yegappan Lakshmanan, closes #3604)

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}\")