title: Angular Material autocomplete md-input-maxlength not working
body: <p>I'm try set max length to <code>Autocomplete</code> of <code>Angular Material</code> with fallowing configuration, but is not working:</p>
  
  <pre><code>&lt;md-autocomplete md-input-maxlength='10' md-input-name="autocomplete" data-md-selected-item="myItem" data-md-search-text="searchText"
      data-md-items="item in getMatches(list, searchText)"&gt;
      &lt;md-item-template&gt;
          {{item}}
      &lt;/md-item-template&gt;
  &lt;/md-autocomplete&gt;
  </code></pre>
  
  <p>I has fallowing the <a href="https://material.angularjs.org/latest/api/directive/mdAutocomplete" rel="nofollow">document</a>, but is not working.</p>
  
  <p>How to can I set max length to <code>Angular Material autocomplete</code>?</p>