old_contents: {
      "release": { // enviroment name
          "stylus": {
              "options": { // @see http://learnboost.github.io/stylus/docs/executable.html
                  "encode": "utf-8",
                  "compress": true,
                  "firebug": false,
                  "linenos": false,
                  "nib": true // stylus nib on/of
              }
          }
      }
  }
  
new_contents: (function () {
      return {
          "release": { // enviroment name
              "stylus": {
                  "options": { // @see http://learnboost.github.io/stylus/docs/executable.html
                      "encode": "utf-8",
                      "compress": true,
                      "firebug": false,
                      "linenos": false,
                      "nib": true // stylus nib on/of
                  }
              }
          }
      };
  }());
  
subject: fix example js