--- a/ReAction.lua	Mon Oct 13 23:32:33 2008 +0000
+++ b/ReAction.lua	Wed Oct 15 16:29:41 2008 +0000
@@ -7,10 +7,10 @@
     - options
     - bar-type constructors
     
-  and publishes events when those collections change. It also implements a single property, 'config mode',
+  and publishes events when those collections change. It also implements a couple properties
   and has a couple convenience methods which drill down to particular modules.
   
-  Most of the "real work" of the addon happens in Bar.lua and the various modules.
+  Most of the "real work" of the addon happens in Bar.lua, Overlay.lua, State.lua, and the various modules.
 
   Events (with handler arguments):
   --------------------------------
@@ -226,7 +226,7 @@
         defaultBar = { }
       }
     }
-    -- default profile is character-specific
+    -- initial profile is character-specific
   )
   self.db.RegisterCallback(self,"OnProfileChanged")
   self.db.RegisterCallback(self,"OnProfileReset","OnProfileChanged")
@@ -347,6 +347,7 @@
   return bars[name]
 end
 
+-- returns pairs of name, bar
 function ReAction:IterateBars()
   return pairs(bars)
 end
@@ -459,7 +460,9 @@
       success, r = pcall(func, bar)
     end
     if success then
-      opts[module:GetName()] = { [module:GetName()] = r }
+      if r then
+        opts[module:GetName()] = { [module:GetName()] = r }
+      end
     else
       geterrorhandler()(r)
     end