{
{     This request gets a copy of 1 or all job class attribute table entries.
{  The copy is used for display to operator.
{
{  JMP$GET_CLASS_ATTR( DISPLAY_CLASSES, DISP, STATUS)
{
{  DISPLAY_CLASSES: (input) A set of the classes whose attributes to display.
{
{  DISP: (output) An array of displays corresponding to the classes specified.
{
{  STATUS: (output) The request status.
{
