{
{   The purpose of this request is to produce a displayable representation of a
{ non-displayable ASCII character.
{
{       CLP$CONVERT_CHAR_TO_GRAPHIC (CH, CHAR_STRING, STATUS);
{
{ CH: (input)  This parameter specifies the character for which a
{       representation is to be produced.
{
{ CHAR_STRING: (output)  This parameter specifies the representation of the
{       character.  If a displayable character is specified for CH, that
{       character is its own representation.
{
{ STATUS: (output)  This parameter specifies the request status.
{
