anchor.diff:              "modifiers": {
                 "mandatory": [
                   "right_option"
  -              ],
  -              "optional": [
  -                "any"
                 ]
               }
             },
  
positive.code:             "modifiers": {
                "mandatory": [
                  "right_option"
                ],
                "optional": [
                  "any"
                ]
              }
            },
  
negative.code:             "modifiers": {
                "mandatory": [
                  "right_option"
                ]
              }
            },
  