@line: line number (used within macros).
@do_ref: whether to reference or unreference.
+<!-- ##### FUNCTION gtk_tree_model_ref_iter ##### -->
+<para>
+
+</para>
+
+@tree_model:
+@iter:
+
+<!-- ##### FUNCTION gtk_tree_model_unref_iter ##### -->
+<para>
+
+</para>
+
+@tree_model:
+@iter:
+
<!-- ##### FUNCTION gtk_type_check_class_cast ##### -->
<para>
Given a GtkTypeClass pointer @klass, and a GtkType @cast_type, make