{
{   This request changes the value of an SCL variable.  Any variable reference
{ permitted  as  the object of an SCL assignment statement may be specified as
{ the variable to be changed.
{
{       CLP$CHANGE_VARIABLE (REFERENCE, VALUE, STATUS)
{
{ REFERENCE: (input) This parameter specifies the variable to be changed.
{
{ VALUE: (input) This parameter specifies the new value for the variable.
{
{ STATUS: (output) This parameter specifies the request status.
{       CONDITIONS:
{
