I actually saw that in the code in the past and I think it's the identity message from the publisher, can you set an identity to the publisher and see if it changed from empty to the identity message?
On Tue, Jul 9, 2013 at 8:34 PM, Peter <[email protected]> wrote: > Yes - 3.2.3 > > Peter > > > > _______________________________________________ > zeromq-dev mailing list > [email protected] > http://lists.zeromq.org/mailman/listinfo/zeromq-dev >
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