{
{   This request is called by the connected file device file access procedure
{ (fap) to default the access_modes of a standard file that is the subject of a
{ file connection and whose access_modes were not specified on the open.
{ The access_modes of $ECHO, $ERRORS, $LIST, $OUTPUT, and $RESPONSE will default
{ to [append, shorten] and $INPUT to [read].
{
{       BAP$SET_STD_FILES_DEFAULT_AM (SUBJECT_FILE_IDENTIFIER)
{
{ SUBJECT_FILE_IDENTIFIER: (input) This parameter specifies the subject file
{       instance of open.
{
