In some situations, topic authors are trusted and may need to capability to by-pass the XSS and Encoding filters designed to protect content.  This is not a high demand feature request, but it does come up often enough with our Enterprise customers. 

Add option only available to Host users to disable XSS and Encoding filters per forum and per role. 
Add clear and detailed warning that disabling XSS/Encoding is not advised and is strictly for "Use at your own Risk". 
Add warning to topic creation page to indicate when XSS encoding is disabled. 
Add option to log topics that have been created with XSS/Encoding disabled.