docs: function( name ) {
  		var item = this.items[ name ],
  			handler = item && this._.handlers[ item.type ],
  			command = item && item.command && this.editor.getCommand( item.command );
  
  		var result = handler && handler.create.apply( this, item.args );
  
  		this.instances[ name ] = result;
  
  		// Add reference inside command object.
  		if ( command )
  			command.uiItems.push( result );
  
  		if ( result && !result.type )
  			result.type = item.type;
  
  		return result;
  	}