htmlpurifier/library/HTMLPurifier/HTMLModule/StyleAttribute.php

<?php

/**
 * XHTML 1.1 Edit Module, defines editing-related elements. Text Extension
 * Module.
 */
class HTMLPurifier_HTMLModule_StyleAttribute extends HTMLPurifier_HTMLModule
{
    
    public $name = 'StyleAttribute';
    public $attr_collections = array(
        // The inclusion routine differs from the Abstract Modules but
        // is in line with the DTD and XML Schemas.
        'Style' => array('style' => false), // see constructor
        'Core' => array(0 => array('Style'))
    );
    
    public function setup($config) {
        $this->attr_collections['Style']['style'] = new HTMLPurifier_AttrDef_CSS();
    }
    
}