Index: RXTXCommDriver.java
===================================================================
RCS file: /usr/local/cvsroot/rxtx-devel/src/RXTXCommDriver.java,v
retrieving revision 1.16.2.55
diff -u -r1.16.2.55 RXTXCommDriver.java
--- RXTXCommDriver.java	17 May 2006 15:53:29 -0000	1.16.2.55
+++ RXTXCommDriver.java	17 May 2006 16:15:16 -0000
@@ -355,6 +355,7 @@
 	private boolean registerSpecifiedPorts(int PortType)
 	{
 		String val = null;
+		Properties origp = System.getProperties();//save system properties
 
 		try
 		    {
@@ -395,10 +396,13 @@
 				System.out.println("unknown port type "+PortType+" passed to RXTXCommDriver.registerSpecifiedPorts()");
 		}
 
+		System.setProperties(origp); //recall saved properties
 		if (val != null) {
 			addSpecifiedPorts(val, PortType);
 			return true;
-		} else return false;
+		} else {
+			return false;
+		}
 	}
 
    /*