Avoid errors when recall messages start by a string (parameter name)

code/tc.preset.js

@@ -776,7 +776,8 @@ function recall() {
         is_interpolating = 0;
         set_active_slot(args[0]);
         outlet(0, 'recall', args[0]);
-	} else {
+	} else if (args.length == 2) {
+		if (typeof(args[0]) == 'number') {
             var src_slot = args[0];
             var trg_slot = args[1];
     
@@ -827,6 +828,10 @@ function recall() {
     
                 outlet(0, "recall", src_slot, trg_slot, interp);
             }
+        }
+        // else {
+        //     //typeof(args[0]) == 'string', so user just recalled a single parameter.
+        // }
         
 	}