docs: public void addRule(final Element element) {
  		FxCopRule rule = new FxCopRule(element.getAttribute("TypeName"), element.getAttribute("Category"), element.getAttribute("CheckId"));
  		rule.setUrl(getNamedTagText(element, "Url"));
  		rule.setDescription(getNamedTagText(element, "Description"));
  		rule.setName(getNamedTagText(element, "Name"));
  
  		rules.put(getRuleKey(rule.getCategory(), rule.getCheckId()), rule);
  	}