patch 8.0.0439: ":%argdel" gives an error for an empty arglist commit https://github.com/vim/vim/commit/69a92fb5aecdf2f9d5f6947790b18991b22d0e4c Author: Bram Moolenaar <Bram@vim.org> Date: Thu Mar 9 15:58:30 2017 +0100 patch 8.0.0439: ":%argdel" gives an error for an empty arglist Problem: Using ":%argdel" while the argument list is already empty gives an error. (Pavol Juhas) Solution: Don't give an error. (closes #1546)

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}\")