For some reason recent ejabberd is flooding me with error messages when publishing to a PEP node. That's probably a ejabberd bug so I reported https://support.process-one.net/browse/EJAB-1239 but that showed a bug in Wocky parsing those as actual updates.
Fixed in http://git.collabora.co.uk/?p=user/cassidy/wocky;a=shortlog;h=refs/heads/pep
ship it.
Merged to master.
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