/**
* pango_layout_iter_get_layout_extents:
* @iter: a #PangoLayoutIter
- * @ink_rect: rectangle to fill with ink extents, or %NULL
- * @logical_rect: rectangle to fill with logical extents, or %NULL
+ * @ink_rect: (allow-none): rectangle to fill with ink extents,
+ * or %NULL
+ * @logical_rect: (allow-none): rectangle to fill with logical
+ * extents, or %NULL
*
* Obtains the extents of the #PangoLayout being iterated
* over. @ink_rect or @logical_rect can be %NULL if you