{
{ The purpose of this request is to reverse all of the updates of a parcel.
{ The updates that have been performed since the AMP$BEGIN_FILE_PARCEL call
{ that initiated the parcel are removed from the file.  The file is restored
{ to the state that it had at the time of the AMP$BEGIN_FILE_PARCEL.  The
{ file position, key selection and nested file selection are also restored.
{
{
{       AMP$ABORT_FILE_PARCEL (FILE_IDENTIFIER, STATUS)
{
{ FILE_IDENTIFIER: (input) This parameter specifies the file access
{       identifier established when the file was opened.
{
{ STATUS: (output) This parameter specifies the request status.
{       CONDITION:  aae$parcel_not_found.
{       IDENTIFIER: amc$access_method_id.
{
