Why is Growl showing redundant notifications for Keka?
It would appear to be an issue with Keka not Growl, I've just updated Keka to 1.0.2 and the issue is resolved.


  Changes in version 1.0.2 (10/04/2012)
  
  
  Fixed and issue with password protected rar files (Thanks to Clayman feedback) [Ticket 45]
  Fixed double notification with Growl 1.3+ (Thanks to all the feedback to Chris and MacUpdate users!) [Ticket 42]
  Fixed auto-close not always working (Thanks for the feedback Chris) [Ticket 41]
  Fixed problems extracting password protected RAR files (Thanks to Clayman for the feedback) [Ticket 45]
  Added sound customization (Thanks to Frank feedback) [Ticket 49]
  


Keka defect 42