/**
* Temporarily change a global variable.
*
- * @code
+ * ```
* $globals = CRM_Utils_GlobalStack::singleton();
* $globals->push(array(
* '_GET' => array(
* ));
* ...do stuff...
* $globals->pop();
- * @endcode
+ * ```
*
* Note: for purposes of this class, we'll refer to the array passed into
* push() as a frame.