code: function()
  		{
  			if ( !CKEDITOR.dtd.$removeEmpty[ this.getName() ] )
  				return false;
  
  			var children = this.getChildren();
  			for ( var i = 0, count = children.count(); i < count; i++ )
  			{
  				var child = children.getItem( i );
  
  				if ( child.type == CKEDITOR.NODE_ELEMENT && child.data( 'cke-bookmark' ) )
  					continue;
  
  				if ( child.type == CKEDITOR.NODE_ELEMENT && !child.isEmptyInlineRemoveable()
  					|| child.type == CKEDITOR.NODE_TEXT && CKEDITOR.tools.trim( child.getText() ) )
  				{
  					return false;
  				}
  			}
  			return true;
  		}
docs: Whether it's an empty inline elements which has no visual impact when removed.