code: public boolean replace(String namespaceURI, String localName, String value) {
  		NodeList nodes = domDocument.getElementsByTagNameNS(namespaceURI, localName);
  		Node node;
  		if (nodes.getLength() == 0)
  			return false;
  		for (int i = 0; i < nodes.getLength(); i++) {
  			node = nodes.item(i);
  			setNodeText(domDocument, node, value);
  		}
  		return true;
  	}
docs: Replaces the content of a tag.
  @param	namespaceURI	the URI of the namespace
  @param	localName		the tag name
  @param	value			the new content for the tag
  @return	true if the content was successfully replaced
  @since	2.1.6 the return type has changed from void to boolean