- * @attr_list: address of return location for a #PangoAttrList, or %NULL
- * @text: address of return location for text with tags stripped, or %NULL
- * @accel_char: address of return location for accelerator char, or %NULL
+ * @attr_list: (out) (allow-none): address of return location for a #PangoAttrList, or %NULL
+ * @text: (out) (allow-none): address of return location for text with tags stripped, or %NULL
+ * @accel_char: (out) (allow-none): address of return location for accelerator char, or %NULL