code: public static final ElemDesc getElemDesc(String name)
      {
          /* this method used to return m_dummy  when name was null
           * but now it doesn't check and and requires non-null name.
           */
          Object obj = m_elementFlags.get(name);
          if (null != obj)
              return (ElemDesc)obj;
          return m_dummy;
      }
docs: Get a description of the given element.
  
  @param name non-null name of element, case insensitive.
  
  @return non-null reference to ElemDesc, which may be m_dummy if no
  element description matches the given name.