Merge pull request #3477 from bluca/manpages

Problems: formatting errors in docs reported by linters

doc/zmq_getsockopt.txt

@@ -917,7 +917,7 @@ NOTE: in DRAFT state, not yet available in stable releases.
 
 [horizontal]
 Option value type:: int
-Option value unit:: 0, ZMQ_NOTIFY_CONNECT, ZMQ_NOTIFY_DISCONNECT, ZMQ_NOTIFY_CONNECT|ZMQ_NOTIFY_DISCONNECT
+Option value unit:: 0, ZMQ_NOTIFY_CONNECT, ZMQ_NOTIFY_DISCONNECT, ZMQ_NOTIFY_CONNECT | ZMQ_NOTIFY_DISCONNECT
 Default value:: 0
 Applicable socket types:: ZMQ_ROUTER
 

doc/zmq_setsockopt.txt

@@ -1308,7 +1308,7 @@ NOTE: in DRAFT state, not yet available in stable releases.
 
 [horizontal]
 Option value type:: int
-Option value unit:: 0, ZMQ_NOTIFY_CONNECT, ZMQ_NOTIFY_DISCONNECT, ZMQ_NOTIFY_CONNECT|ZMQ_NOTIFY_DISCONNECT
+Option value unit:: 0, ZMQ_NOTIFY_CONNECT, ZMQ_NOTIFY_DISCONNECT, ZMQ_NOTIFY_CONNECT | ZMQ_NOTIFY_DISCONNECT
 Default value:: 0
 Applicable socket types:: ZMQ_ROUTER
 

doc/zmq_socket.txt

@@ -190,7 +190,7 @@ Action in mute state:: Drop
 
 
 ZMQ_DISH
-^^^^^^^
+^^^^^^^^
 A socket of type 'ZMQ_DISH' is used by a _subscriber_ to subscribe to groups
 distributed by a _radio_. Initially a 'ZMQ_DISH' socket is not subscribed to
 any groups, use linkzmq:zmq_join[3] to