According to the specification, the subscription is only required if the requestor has more than 1 subscription to the node.
These files contain fixes for this defects OF-5,7,8,11,12,13,16,17,20
These patches are for OF-5. Ignore the source files.
Both patches look good to me. Good to see that the spec was modified in that way. Those changes in the code and in the spec look good to me.
Added checks for more than one subscriptions.