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+= nng_pub(7)
+//
+// Copyright 2018 Staysail Systems, Inc. <info@staysail.tech>
+// Copyright 2018 Capitar IT Group BV <info@capitar.com>
+//
+// This document is supplied under the terms of the MIT License, a
+// copy of which should be located in the distribution where this
+// file was obtained (LICENSE.txt).  A copy of the license may also be
+// found online at https://opensource.org/licenses/MIT.
+//
+
+== NAME
+
+nng_pub - publisher protocol
+
+== SYNOPSIS
+
+[source,c]
+----
+#include <nng/protocol/pubsub0/pub.h>
+
+int nng_pub0_open(nng_socket *s);
+----
+
+== DESCRIPTION
+
+(((protocol, _pub_)))
+The ((_pub_ protocol)) is one half of a ((publisher))/subscriber pattern.
+In this pattern, a publisher sends data, which is broadcast to all
+subscribers.
+The subscribing applications only see the data to which
+they have subscribed.
+
+The _pub_ protocol is the publisher side, and the
+<<nng_sub.7#,_sub_>> protocol is the subscriber side.
+
+NOTE: In this implementation, the publisher delivers all messages to all
+subscribers.
+The subscribers maintain their own subscriptions, and filter them locally.
+Thus, this pattern should not be used in an attempt to reduce bandwidth
+consumption.
+
+The topics that subscribers subscribe to is just the first part of
+the message body.
+Applications should construct their messages accordingly.
+
+=== Socket Operations
+
+The <<nng_pub_open.3#,`nng_pub0_open()`>> call creates a publisher socket.
+This socket may be used to send messages, but is unable to receive them.
+Attempts to receive messages will result in `NNG_ENOTSUP`.
+
+=== Protocol Versions
+
+Only version 0 of this protocol is supported.
+(At the time of writing, no other versions of this protocol have been defined.)
+
+=== Protocol Options
+
+The _pub_ protocol has no protocol-specific options.
+
+=== Protocol Headers
+
+The _pub_ protocol has no protocol-specific headers.
+    
+== SEE ALSO
+
+<<nng_pub_open.3#,nng_pub_open(3)>>,
+<<nng_sub.7#,nng_sub(7)>>,
+<<nng.7#,nng(7)>>