anchor.diff:      return ret;
     }
   
  -  void setCssAttributeMap(Element element, Map<String, String> attrs) {
  +  void setCssAttrMap(Element element, Map<String, String> attrs) {
       List<String> arr = new List<String>();
   
       attrs.keys.forEach((String key) {
  
positive.code:     String ret = '';
  
      if (elements.length > 0) {
        Map<String, String> attrs = getCssAttributeMap(elements[0]);
  
        name = name.toLowerCase();
        if (attrs.containsKey(name)) {
  
negative.code: 
    void setCssAttr(String name, String value) {
      elements.forEach((Element element) {
        Map<String, String> attrs = getCssAttrMap(element);
  
        attrs[name] = value;
        setCssAttrMap(element, attrs);
      });
    }
  
  