code: public void toRSL(StringBuffer buf, boolean explicitConcat) {
  
  	if ( explicitConcat ) {
              buf.append( quotify( value ) );
          } else {
              buf.append( value );
          }
  
  	if (concatValue == null) {
  	    return;
  	}
  
  	if (explicitConcat) {
  	    buf.append(" # ");
  	}
  
  	concatValue.toRSL(buf, explicitConcat);
      }
docs: Produces a RSL representation of this value.
  
  @param buf buffer to add the RSL representation to.
  @param explicitConcat if true explicit concatination will
  be used in RSL strings.