Merge pull request #264 from humanmade/whitelist-to-clean

Update custom escaping functions for clean_html

Author: roborourke

HM-Minimum/ruleset.xml

@@ -29,6 +29,7 @@
 		<properties>
 			<property name="customEscapingFunctions" type="array">
 				<element value="whitelist_html" />
+				<element value="clean_html" />
 			</property>
 			<property name="customAutoEscapedFunctions" type="array">
 				<!-- Allow all the built-in URL functions -->