boolean (final XmlTagChild first, final XmlTagChild last) { final Language language = first.getLanguage(); if (first != last || Language.findInstance(HTMLLanguage.class).equals(language) || Language.findInstance(XHTMLLanguage.class).equals(language) ) { return false; } final XmlTag parentTag = first.getParentTag(); return parentTag != null && isAvailableOnDescriptor(parentTag.getDescriptor()); }