fnPolicy = function (tagName, attribs) {
			if (this._renderingRules.ELEMENTS[tagName]) {
				return fnSanitizeAttribs.call(this, tagName, attribs);
			} else {
				var sWarning = '<' + tagName + '> is not allowed';
				Log.warning(sWarning, this);
			}
		}
Sanitizes HTML tags and attributes according to a given policy.

@param {string} inputHtml The HTML to sanitize
@param {function(string,string[])} tagPolicy Determines which
           tags to accept and sanitizes their attributes (see
           makeHtmlSanitizer above for details)
@return {string} The sanitized HTML
@private