{
{   This request produces the string representation  of  a  date  and/or  time
{ and/or day of the week.
{
{       CLP$CONVERT_DATE_TIME_TO_STRING (DATE_TIME, FORMAT, STR, STATUS)
{
{ DATE_TIME: (input) This parameter specifies the date/time to be represented.
{
{ FORMAT: (input) This parameter specifies the "date time form string"  to  be
{       used to guide the construction of the representation.
{
{ STR: (output) This parameter specifies the result string.
{
{ STATUS: (output) This parameter specifies the request status.
{       CONDITIONS:
{
