diff --git a/bin/rdfdb b/bin/rdfdb
--- a/bin/rdfdb
+++ b/bin/rdfdb
@@ -65,6 +65,14 @@ json {"adds" : [[quads]...],
      }
 maybe use some http://json-ld.org/ in there.
 
+proposed rule feature:
+rdfdb should be able to watch a pair of (sourceFile, rulesFile) and
+rerun the rules when either one changes. Should the sourceFile be able
+to specify its own rules file?  That would be easier
+configuration. How do edits work? Not allowed?  Patch the source only?
+Also see the source graph loaded into a different ctx, and you can
+edit that one and see the results in the output context?
+
 Our web ui:
 
 registered clients
@@ -74,10 +82,12 @@ them here. We should be able to take pat
 and keep updating the same data (e.g. a stream of changes as the user
 drags a slider) and collapse them into a single edit for clarity.
 
-proposed rule feature:
-rdfdb should be able to watch a pair of (sourceFile, rulesFile) and
-rerun the rules when either one changes. Should the sourceFile be able
-to specify its own rules file? That would be easier configuration.
+Ways to display patches, using labels and creator/subj icons where possible:
+
+  <creator> set <subj>'s <p> to <o>
+  <creator> changed <subj>'s <pred> from <o1> to <o2>
+  <creator> added <o> to <s> <p>
+
 
 """
 from twisted.internet import reactor
diff --git a/light9/dmxclient.py b/light9/dmxclient.py
--- a/light9/dmxclient.py
+++ b/light9/dmxclient.py
@@ -4,9 +4,10 @@ dmxclient.outputlevels(..)
 
 client id is formed from sys.argv[0] and the PID.  """
 
-import xmlrpclib, os, sys, socket, time
+import xmlrpclib, os, sys, socket, time, logging
 from light9 import networking
 _dmx=None
+log = logging.getLogger('dmxclient')
 
 procname = os.path.basename(sys.argv[0])
 procname = procname.replace('.py', '')
@@ -34,14 +35,14 @@ def outputlevels(levellist,twisted=0,cli
         try:
             _dmx.outputlevels(clientid, levellist)
         except socket.error, e:
-            print "dmx server error %s, waiting" % e
+            log.error("dmx server error %s, waiting" % e)
             time.sleep(1)
         except xmlrpclib.Fault,e:
-            print "outputlevels had xml fault: %s" % e
+            log.error("outputlevels had xml fault: %s" % e)
             time.sleep(1)
     else:
         def err(error):
-            print "dmx server error", error
+            log.error("dmx server error %s", error)
             time.sleep(1)
         d = _dmx.callRemote('outputlevels', clientid, levellist)
         d.addErrback(err)