### LOGOUT -- present a full logout link - Syntax: `%LOGOUT%` - Expand to: [[Main/WebHome?logout=1]] - Related: [[TWikiUserAuthentication]], [[SESSIONID|Main/VarSESSIONID]], [[SESSIONVAR|Main/VarSESSIONVAR]], [[LOGIN|Main/VarLOGIN]], [[SESSION_VARIABLE|Main/VarSESSION_VARIABLE]]