* an attribute in the #PangoAttrList associated with the iterator,
* so if you plan to keep it around, you must call:
* <literal>pango_font_description_set_family (desc, pango_font_description_get_family (desc))</literal>.
- * @language: if non-%NULL, location to store language tag for item, or %NULL
+ * @language: (allow-none): if non-%NULL, location to store language tag for item, or %NULL
* if none is found.
- * @extra_attrs: (element type Pango.Attribute) (transfer full): if non-%NULL,
+ * @extra_attrs: (allow-none) (element type Pango.Attribute) (transfer full): if non-%NULL,
* location in which to store a list of non-font
* attributes at the the current position; only the highest priority
* value of each attribute will be added to this list. In order