Description of the illustration unified_audit.eps

AUDIT
  { POLICY policy
    [ { BY user [, user]... }
    | { EXCEPT user [, user]... }
    | by_users_with_roles ]
    [ WHENEVER [ NOT ] SUCCESSFUL ]
  }
  |
  { CONTEXT NAMESPACE namespace ATTRIBUTES attribute [, attribute ]...
      [, CONTEXT NAMESPACE namespace ATTRIBUTES attribute [, attribute ]... ]...
    [ BY user [, user]... ]
  } ;