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Hi Felix, 
I’ve read through the online help and tried searching the forum but am still left with several questions below: 
1) I'd like to replace an existing default behavior with one that I create with BCK.  However, When I tried this, I simply get two Behaviors with the same name.   Am I able to delete selected default behaviors that come bundled with RB?  (I know I can delete behaviors that I’ve added /created by going to the appropriate path location). 
2) If many custom actions are defined for a particular application is there any way to save these?  I know I can do this if I define it as an action/implementation within BCK but for simple keystrokes I was thinking about custom actions as an alternate method.  When does one use custom actions vs. BCK? 
3) Lists of actions within a Behavior can get lengthy.  Is there a way to print out the list and, if BCK is being used, their defined implementations? 
4) Is there a way to initiate a new behavior within BCK with an existing behavior?  That is to load associated actions of a selected Behavior into BCK? 
5) I downloaded a Behavior for XBMC and I’m not sure what it is doing so I need to see how its actions are defined.  Is there any way to do that if (4) above is not possible. 
6) If I compile and install a new behavior in BCK I find that I need to quit RB and restart to test the actions.  Without doing this how do I know whether RB has indeed been modified with the new BCK behavior (i.e. in the case of just “compile and test” option)? 
7) Is there a more detailed PDF manual available? ...that I am not finding.
Kind regards, 
Earl Kofler