{    The purpose of this command is to allow the user to change attribute
{ values of an existing field.  The field to be changed is specified by the
{ field parameter.  If the field name is to be changed, the new name is given
{ in the new_field parameter.  All references to the field will be changed to
{ reflect the name change.  All other attribute value changes are accomplished
{ via parameters exactly as described in the add_field command.
{
{ FIELD:  This is the name of the field that is to be changed.  If the
{       specified name does not match an existing field, an error is issued
{       stating this and no fields are changed.
{
{ NEW_FIELD:  This parameter is the new name for the specified field.
{
{ RECORD:  The meaning of this parameter is the same as what is described in
{       the add_field command.
{
{ COUNTER:  The meaning of this parameter is the same as what is described in
{       the add_field command.
{
{ TEXT:  The meaning of this parameter is the same as what is described in the
{       add_field command.
{
{ MULTIPLIER:  The meaning of this parameter is the same as what is described
{       in the add_field command.
{
{ INCREMENTAL:  The meaning of this parameter is the same as what is described
{       in the add_field command.
{
{ STATUS: This parameter specifies the request status.
{       CONDITIONS:
{             pte$not_counter
{             pte$not_descriptive_data
{             pte$redefined_field
{             pte$undefined_field_for_change
{             pte$undefined_selec_for_field
