anchor.diff:    }
   
     formatColors() {
  -    var formatted = [];
  +    formattedColors.clear();
       colors.forEach((color) {
         var value = null;
         switch(color['type']) {
  
positive.code:           break;
        }
        if(value != null) {
          formatted.add(value);
        }
      });
      lastFormattedColors = formatted;
      return formatted;
    }
  
    newColor([String type = COLOR_HEX, String color]) {
  
negative.code:     newColor(COLOR_HEX, '#000');
    }
  
    List<String> get color_types => _COLOR_TYPES;
  
    List<String> get resolutions => _RESOLUTIONS;
  
    submit() {
      this.form.reset();
  