final DomNode prev = element.getPreviousSibling();
return prev instanceof HtmlElement
&& selects(ss.getSelector(), (HtmlElement) prev)
&& selects(ss.getSiblingSelector(), element);
case Selector.SAC_NEGATIVE_SELECTOR:
final NegativeSelector ns = (NegativeSelector) selector;
return !selects(ns.getSimpleSelector(), element);
case Selector.SAC_PSEUDO_ELEMENT_SELECTOR:
case Selector.SAC_COMMENT_NODE_SELECTOR:
case Selector.SAC_CDATA_SECTION_NODE_SELECTOR:
case Selector.SAC_PROCESSING_INSTRUCTION_NODE_SELECTOR:
case Selector.SAC_TEXT_NODE_SELECTOR: