install/project/includes/controls/QHtmlAttributeManager.class.php
<?php
/**
* QHtmlAttributeManager
*
* The attribute manager gives you a general purpose way to set html attributes and css properties. This file
* lets you create your own customizations of the core version of the file.
*
* @package Controls
* @filesource
*/
class QHtmlAttributeManager extends QHtmlAttributeManagerBase
{
}