added details to README

README.txt

@@ -78,6 +78,18 @@ in src/:
     (the make targets runjava and runpython connect directly to
      the java mockup server, bypassing OSGi)
 
+
+To show that the GBS client bundles restore the previous client when
+stopped, one can do the following sequence:
+
+
+in osgi:
+    start GBSserver     (listens for TCP/labcomm connections)
+    start RobotClient   (connects to above "mockup java server")
+
+in src/:
+    run a client, and verify that the commands reach the server
+
 in osgi:
     start GBSfilter     (inserts itself between the server and the robot client)