old_contents: import Ember from 'ember';
  
  export default Ember.Component.extend({
    afterInit: function() {
      this.converter = new Showdown.converter();
    }.on('init'),
  
    html: function() {
      var source = this.get('markdown') || '';
      return new Ember.Handlebars.SafeString(this.converter.makeHtml(source));
    }.property('markdown')
  });
new_contents: import Ember from 'ember';
  import Showdown from './showdown';
  
  export default Ember.Component.extend({
    afterInit: function() {
      this.converter = new Showdown.converter();
    }.on('init'),
  
    html: function() {
      var source = this.get('markdown') || '';
      return new Ember.Handlebars.SafeString(this.converter.makeHtml(source));
    }.property('markdown')
  });
subject: add forgotten import