commit f2fc43b

Better advertise /back in docs

Users new to IRC might not know how to deal with away messages, and
experienced users might want to use /away without arguments.

 1@@ -283,10 +283,10 @@ _name_ is matched case-insensitively.  It can be one of the following:
 2 	This opens a temporary list, which can be closed with the escape key.
 3 
 4 *AWAY* [message]
 5-	Mark yourself as away, with an optional away message.
 6+	Mark yourself as away, with an optional away message. Use *BACK* to cancel.
 7 
 8 *BACK*
 9-	Mark yourself as back from being away.
10+	Mark yourself as back from being away (see *AWAY*).
11 
12 *VERSION* [target]
13 	Query the server software version.