{}
{ COMMON DECK BAHMDAS }
{}
{   The purpose of this request is to merge a file's existing or default
{ dynamic attributes with requested file attributes according to source
{ precedence.
{}
{     BAP$MERGE_DYNAMIC_ATTR_SOURCE (LOCAL_FILE_NAME, ATTRIBUTES, SOURCE,
{         DYNAMIC_LABEL, STATUS)
{}
{ LOCAL_FILE_NAME: (input) This parameter specifies the local file name
{   of the file for which the dynamic attributes are to be merged.
{
{ ATTRIBUTES: (input) This parameter specifies the requested file
{   attributes to be merged with the dynamic file attributes.
{
{ SOURCE: (input) This parameter specifies the source of the above
{   attributes.
{
{ DYNAMIC_LABEL: (input, output) This parameter specifies the existing
{   or default dynamic label attributes which are to be used as a base
{   for merging the requested attributes.  This parameter returns the
{   merged dynamic file attributes.
{
{ STATUS: (output) This parameter returns the request status.
{
