docs: public boolean getDisplayFieldDesc(ScreenField sField)
      {
          boolean bDisplayDesc = ((m_iDisplayFieldDesc & ScreenConstants.DISPLAY_MASK) != ScreenConstants.DONT_DISPLAY_DESC);   // yes if yes, otherwise no!
          if (m_screenParent != null) if ((m_iDisplayFieldDesc & ScreenConstants.DISPLAY_MASK) == ScreenConstants.DEFAULT_DISPLAY)
              bDisplayDesc = m_screenParent.getDisplayFieldDesc(sField);
          return bDisplayDesc;
      }