{
{ The purpose of this request is to discard the old menu strings, and
{ allocate/save new news, for a selected subset of the menu list items.
{ The user identifies the item(s) by their key identities, rather than
{ by their positions within the menu list.  The user may use a NIL
{ string pointer to specify that no string is to be saved.
{
{       CSP$CHANGE_MENU_ITEM_STRINGS (NEW_MENU_ITEM_STRINGS, MENU_LIST, STATUS)
{
{ NEW_MENU_ITEM_STRINGS: (input) This lists the keys, and corresponding new
{       menu strings and labels, for one or more menu items.
{
{ MENU_LIST: (input)  This is a pointer to the menu list as most recently
{       used by CSP$SET_STANDARD_MENU.  The content of the menu list will
{       be updated.
{
{ STATUS: (output) This receives any error codes.
{
{       condition_identifiers:  none at release 1.4.1
