htmlpurifier/library/HTMLPurifier/HTMLModule/Proprietary.php

<?php

/**
 * Module defines proprietary tags and attributes in HTML.
 * @warning If this module is enabled, standards-compliance is off!
 */
class HTMLPurifier_HTMLModule_Proprietary extends HTMLPurifier_HTMLModule
{
    
    public $name = 'Proprietary';
    
    public function __construct() {
        
        $this->addElement('marquee', 'Inline', 'Flow', 'Common', 
            array(
                'direction' => 'Enum#left,right,up,down',
                'behavior' => 'Enum#alternate',
                'width' => 'Length',
                'height' => 'Length',
                'scrolldelay' => 'Number',
                'scrollamount' => 'Number',
                'loop' => 'Number',
                'bgcolor' => 'Color',
                'hspace' => 'Pixels',
                'vspace' => 'Pixels',
            )
        );
    
    }
    
}