@Override
    public void ignorableWhitespace( char[] chars, int start, int length )
        throws SAXException
    {
        characters( chars, start, length );
    }
@ Override public void ignorableWhitespace ( char [ ] chars , int start , int length ) throws SAXException { characters ( chars , start , length ) ; }
Just delegates to {@link #characters(char[], int, int)}, since this method is not called in all situations where
it could be naively expected.

@see org.xml.sax.helpers.DefaultHandler#ignorableWhitespace(char[], int, int)