else if( o instanceof simple_selector ) {
final ICompositeNode n = NodeModelUtils.getNode((EObject)o);
acceptor.addPosition(n.getOffset(), n.getLength(), CssDslHighlightingConfiguration.SELECTOR);
}
else if (o instanceof URLType) {
final URLType url = (URLType) o;
final ICompositeNode n = NodeModelUtils.getNode(url);
acceptor.addPosition(n.getOffset(), 4, CssDslHighlightingConfiguration.FUNCTION);
acceptor.addPosition(n.getOffset()+4, n.getLength()-5, CssDslHighlightingConfiguration.URL);
acceptor.addPosition(n.getOffset() + n.getLength() - 1, 1, CssDslHighlightingConfiguration.FUNCTION);
}