public String specFacet(final String specFullName, final String facetTypeName) {
init();
final String specAndFacet = specFullName + "/facet/" + facetTypeName;
final XhtmlTemplate xhtml = new XhtmlTemplate(specAndFacet, getServletRequest());
xhtml.appendToBody(asDivIsisSession());
final ObjectSpecification noSpec = getSpecification(specFullName);
final String uri = MessageFormat.format("{0}/specs/{1}", getServletRequest().getContextPath(), specFullName);
xhtml.appendToBody(xhtmlRenderer.aHref(uri, "owning spec", "spec", "facet", HtmlClass.SPECIFICATION));