code: public RtfCtrlWordHandler getCtrlWordHandler(String ctrlWord) {
      	try {
          	if(ctrlWords.containsKey(ctrlWord)) {
          		// add 1 to known control words
          		return (RtfCtrlWordHandler)ctrlWords.get(ctrlWord);
          	} else {
          		// add 1 to unknown control words
          		return (RtfCtrlWordHandler)ctrlWords.get("unknown");
          	}
  		} catch (SecurityException e) {
  			// TODO Auto-generated catch block
  			e.printStackTrace();
  		} catch (IllegalArgumentException e) {
  			// TODO Auto-generated catch block
  			e.printStackTrace();
  		}
  		return null;
      }
docs: Get the HashMap object containing the control words.
  Initializes the instance if this is the first instantiation
  of RtfCtrlWords class.
  @since 2.0.8