@Override
    public void characters(char[] ch, int start, int length) throws SAXException {
        delegate.characters(ch, start, length);
    }
Content handler decorator that only passes the
{@link #characters(char[], int, int)} and
(@link {@link #ignorableWhitespace(char[], int, int)}
(plus {@link #startDocument()} and {@link #endDocument()} events to
the decorated content handler.
tika-core/src/main/java/org/apache/tika/sax/TextContentHandler.java