
{
{    The purpose of this request is suspend execution of the requesting
{  task until the completion of one of the specified activities.
{
{      NAE$GT_AWAIT_ACTIVITY_COMPLETE (WAIT_LIST, READY_INDEX, STATUS)
{
{  WAIT_LIST: (input) This parameter specifies the activities that the
{        task is awaiting completion.  The activity, nac$gt_null_activity,
{        can be used as a filler to manage the list of activities.
{
{  READY_INDEX: (output) This parameter specifies the activity in the
{      WAIT_LIST which caused the task to resume execution.
{
{  STATUS: (output) This parameter specifies the request status.
{       CONDITION: nae$incorrect_activity.
{       IDENTIFIER: 'NA'.
{
