{
{  This procedure updates the site's dual state environment.
{
{         RHP$UPDATE_DUAL_STATE_ENVIRON (DISPLAY_CHARGE, DISPLAY_FAMILY,
{             DISPLAY_PROJECT, DISPLAY_USER);
{
{  DISPLAY_CHARGE: (input) This parameter tells whether to display the user's
{      charge number on the DISPLAY_LINK_ATTRIBUTES command or not.
{
{  DISPLAY_FAMILY: (input) This parameter tells whether to display the user's
{      family name on the DISPLAY_LINK_ATTRIBUTES command or not.
{
{  DISPLAY_PROJECT: (input) This parameter tells whether to display the user's
{      project number on the DISPLAY_LINK_ATTRIBUTES command or not.
{
{  DISPLAY_USER: (input) This parameter tells whether to display the user's
{      user namethe DISPLAY_LINK_ATTRIBUTES command or not.
{
