$var  wire 1 e a[3] $end
$var  wire 1 d a[2] $end
$var  wire 1 c a[1] $end
$var  wire 1 b a[0] $end
$var  wire 1 i b[3] $end 
$var  wire 1 h b[2] $end 
$var  wire 1 g b[1] $end 
$var  wire 1 f b[0] $end 
$var wire 1 j cin $end 
$var wire 1 k cout $end 
$var wire 1 l gnd $end 
$var wire 1 m gnd! $end 
$var wire 1 n ground $end
$var wire 1 r sum[3] $end
$var wire 1 q sum[2] $end
$var wire 1 p sum[1] $end
$var wire 1 o sum[0] $end
$var wire 1 s vdd $end 
$scope module x_adder $end
.......
....
#any such occurrences anywhere in the script