Github user hanm commented on the issue:
https://github.com/apache/zookeeper/pull/179
Update patch to address review comments from @arshadmohammad and @rakeshadr
* Added a nop command that does nothing but print message back to client
for better user experience.
* Test case update.
I think the remaining issue is to decide how to deal with isro and srvr
which is being discussed on jira.
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