Index: pcblib/parametric/plcc
===================================================================
--- pcblib/parametric/plcc	(revision 764)
+++ pcblib/parametric/plcc	(revision 765)
@@ -3,14 +3,17 @@
 #@@example plcc(20,390x390)
 
 #@@purpose Generate PLCC packages
-#@@desc Generate PLCC packages - a simplified frontend to qf() - 
-#@@desc look up 3..4 data in the datasheet and get a regular PLCC footprint!
-#@@desc NOTE: some of the qf() parameters can be also used.
+#@@desc Generate square PLCC packages - a simplified frontend to qf() - 
+#@@desc only the number of pins is really needed for a square PLCC footprint!
+#@@desc NOTE: some of the qf() parameters can be also used; PLCC32 is non-square, and can not be properly generated using this generator.
 
 #@@params:pins,size,pitch,cpad_size
 
 #@@param:pin total number of pins (leads); must be divisible by 4
+
 #@@param:size a single integer N or NxN or NxNxH; outmost dimensions (width or height of the package, leads included) in mil
+#@@optional:size
+#@@default:size calculated from total number of pins and pitch
 
 #@@param:pitch lead pitch (distance between the centerline of two adjacent leads), in mil; must be 50 for now
 #@@optional:pitch
Index: pcblib/parametric/plcc.awk
===================================================================
--- pcblib/parametric/plcc.awk	(revision 764)
+++ pcblib/parametric/plcc.awk	(revision 765)
@@ -10,7 +10,7 @@
 	PT["50"] = "26mil"
 	set_arg(P, "?pitch", "50")
 
-	proc_args(P, "pins,size,pitch,cpad_size,pad_thickness", "pins,size")
+	proc_args(P, "pins,size,pitch,cpad_size,pad_thickness", "pins")
 
 	pitch = P["pitch"]
 	sub("[.]0*$", "", pitch)
@@ -23,6 +23,9 @@
 	else
 		pt = rev_mil(DEFAULT["pad_thickness"])
 
+	if (P["size"] == "")
+		P["size"] = int(P["pins"] * (pitch/4) + 140)
+
 	split(P["size"], S, "x")
 	if (S[2] == "")
 		S[2] = S[1]