anchor.diff:  
   === AMQP Source and Target Wildcard and Name Substitution
   
  -The rule definitions for `sources` and `targets` may include the token
  -'*{user}*' or a trailing asterisk.
  -
  -The _{user}_ token is replaced with the authenticated user name for
  +The rule definitions for `sources` and `targets` may include the username
  +substitution token
  +
  +[options="nowrap"]
  +----
  +    {user}
  +----
  +
  +or a trailing asterisk.
  +
  +The username substitution token is replaced with the authenticated user name for
   the connection. Using this token, an administrator may allow access to
   some resources specific to each user without having to name each user
   individually. This token is substituted once for the leftmost
  
positive.code: [options="header", cols="35,15,50"]
  |====
  | attribute                   | default  | description
  | name                        |          | Vhost name. A unique name is required.
  | maxConnections              | 65535    | Maximum number of concurrent client connections allowed
  | maxConnectionsPerUser       | 65535    | Maximum number of concurrent client connections allowed for any single user.
  | maxConnectionsPerRemoteHost | 65535    | Maximum number of concurrent client connections allowed for any remote host.
  | allowUnknownUser            | false    | Allow unknown users who are not members of a defined user group. Unknown users are assigned to the '$default' user group and receive '$default' settings.
  | groups                      |          | A map where each key is a user group name and the value is a Vhost User Group Settings map.
  
negative.code: |====
  | Section/Attribute    | default | description
  | *Group Membership*             | |
  | users                | ""      | List of authenticated users in this group.
  | *Connection Restrictions*      | |
  | remoteHosts          | ""      | List of remote hosts from which the users may connect. List values may be host names, numeric IP addresses, numeric IP address ranges, or the wildcard '*'. An empty list denies all access.
  | *AMQP Connection Open Limits*  | |
  