anchor.diff:      know to read this file so we don't need to configure them or add command-line options.
   
     pre.prettyprint
  -    # We need to use an unreleased version of TypeScript
  -    $ npm install -g mhegazy/typescript#v1.5-beta
  +    $ npm install -g typescript@^1.5.0-beta
       $ tsc --watch
   
   // STEP 3 - Import Angular ##########################
  
positive.code:       adds ES6 module loading functionality to browsers.
  
    p.
      Add the System.js dependency in the <code>&lt;head&gt;</code> tag:
  
    pre.prettyprint.linenums
      code.
          &lt;head&gt;
            &lt;script src="https://jspm.io/system@0.16.js"&gt;&lt;/script&gt;
          &lt;/head&gt;
  
    p.
  
negative.code: 
    pre.prettyprint.linenums
      code.
        &lt;my-app&gt;&lt;/my-app&gt;
        &lt;script&gt;System.import('app');&lt;/script&gt;
  
  
  // STEP 8 - Run a local server ##########################
  