* @Parameter: string $s
*
* Returns string
+ *
+ * It is expected that this function will be called using HTML text.
+ * We will escape text between HTML pre and code blocks from being
+ * processed.
+ *
+ * At a higher level, the bbcode [nosmile] tag can be used to prevent this
+ * function from being executed by the prepare_text() routine when preparing
+ * bbcode source for HTML display
+ *
*/
if(! function_exists('smilies')) {