title: Diffences between map start and aliases
body: <p>I'm using dojo 1.11.2 to build a web application. I noticed a different behaviour between the usage of <strong>map star</strong> (*) and <strong>aliases</strong>.</p>
  
  <p>I want to override all focus module with my custom version.</p>
  
  <p>Please see the following examples. [In my application I also use gridx component]</p>
  
  <p><strong><em>Using star map</em></strong></p>
  
  <pre><code>map: {
         "*": {
                'dijit/focus': 'custom/myFocus'
              }
       }
  </code></pre>
  
  <p>In this case my modules uses myFocus component. Gridx modules continue to use the dijit focus module.</p>
  
  <p><strong><em>Using aliases</em></strong></p>
  
  <pre><code>aliases: [
             'dijit/focus': 'custom/myFocus'
           ]
  </code></pre>
  
  <p>In this case my modules and gridx modules use myFocus component.</p>
  
  <p>Probably I'm making a mistake in the usage of map star and aliases, but reading the documentation I thought that are equal.</p>
  
  <p>What is the problem?</p>