code: public void importRtfDocumentIntoElement(Element elem, InputStream readerIn, RtfDocument rtfDoc) throws IOException {
  		if(readerIn == null || rtfDoc == null || elem == null) return;
  		this.init(TYPE_IMPORT_INTO_ELEMENT, rtfDoc, readerIn, this.document, elem);
  		this.setCurrentDestination(RtfDestinationMgr.DESTINATION_NULL);
  		this.groupLevel = 0;
  		try {
  			this.tokenise();
  		} catch (RuntimeException e) {
  			// TODO Auto-generated catch block
  			e.printStackTrace();
  		}
  		catch (Exception e) {
  			// TODO Auto-generated catch block
  			e.printStackTrace();
  		}
  	}
docs: Imports a complete RTF document into an Element, i.e. Chapter, section, Table Cell, etc.
  
  @param elem The Element the document is to be imported into.
  @param readerIn
  The Reader to read the RTF document from.
  @param rtfDoc
  The RtfDocument to add the imported document to.
  @throws IOException On I/O errors.
  @since 2.1.4