empty string becomes default value

    <script src="https://rawgit.com/aframevr/aframe/master/dist/aframe-master.js"></script>

<script>
AFRAME.registerComponent('whydefaultvalue', {
  schema: {type:'string', default:'default'},
  init: function() { 
    this.el.setAttribute('text', 'align:center; color:white;wrapCount:10;value:' + this.data); 
  }
});
</script>

<a-scene debug>
  <a-plane position="0 1 -2" color="#F00" whydefaultvalue=""></a-plane>
</a-scene>