@Override
    public void startElement(String uri, String localName, String qName, Attributes attributes)
            throws SAXException {
        if (addSpaceBetweenElements) {
            delegate.characters(SPACE, 0, SPACE.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