{
{   The purpose of this request is to build information to be used when
{ displaying a path name as part of a subtitle.
{
{       CLP$BUILD_PATH_SUBTITLE (PATH_NAME, LENGTH, WIDTH, COUNT,
{         DISPLAY_ARRAY)
{
{ PATH_NAME: (input, output)  This parameter specifies the name of the path.
{       This request translates upper case letters in the path name to their
{       lower case equivalents.
{
{ LENGTH: (input)  This parameter specifies the number of characters from
{       PATH_NAME to be displayed.
{
{ WIDTH: (input)  This parameter specifies the maximum number of characters of
{       the path to be displayed per line.
{
{ COUNT: (output)  This parameter specifies the number of lines needed to
{       display the path name.
{
{ DISPLAY_ARRAY: (output)  This parameter specifies the parts of the path name
{       to be displayed in the subtitle lines.  Each entry in this array
{       identifies the starting POSITION and LENGTH of the substring of
{       PATH_NAME to appear in the corresponding line of the subtitle.
{
