code: @Override
  	public boolean includeNode(SNode node) {
  		// if node is a token or no configuration set, output the node
  		if (node instanceof SToken || configurations.get(0) == null) {
  			return true;
  		}
  
  		Set<SAnnotation> nodeAnnotations = node.getAnnotations();
  
  		return includeObject(nodeAnnotations, displayedNodeAnnotations);
  	}
docs: Implements the includeNode method of the
  org.corpus_tools.salt.util.ExportFilter interface.