{
{   The purpose of this request is to write the scheduled list of forms to the
{ screen.  If a form is not already displayed on the screen, fdp$xshow_forms
{ displays the entire form overlaying any forms that lie beneath it.  If a
{ form is already displayed as a result of a previous fdp$xread_forms or
{ fdp$xshow_forms request, then only the changed objects are rewritten.  If a
{ form has variables, the variables are updated from the values set by the
{ fdp$xreplace_record, fdp$xreplace_integer_variable,
{ fdp$xreplace_real_variable, or fdp$xreplace_string_variable.
{
{       FDP$XSHOW_FORMS (STATUS)
{
{ STATUS: (output) This parameter specifies the variable that indicates
{       the results of the request.
{
{       condition identifiers: fde$bad_data_value
{                              fde$no_forms_to_show
{                              fde$no_forms_to_show
{                              fde$system_error
{                              fde$terminal_disconnected
{
