/**
* gtk_radio_action_set_group:
* @action: the action object
- * @group: (element-type GtkRadioAction): a list representing a radio group
+ * @group: (element-type GtkRadioAction) (allow-none): a list representing a radio group, or %NULL
*
* Sets the radio group for the radio action object.
*
/**
* gtk_radio_button_set_group:
* @radio_button: a #GtkRadioButton.
- * @group: (transfer none) (element-type GtkRadioButton): an existing radio
- * button group, such as one returned from gtk_radio_button_get_group().
+ * @group: (element-type GtkRadioButton) (allow-none): an existing radio
+ * button group, such as one returned from gtk_radio_button_get_group(), or %NULL.
*
* Sets a #GtkRadioButton's group. It should be noted that this does not change
* the layout of your interface in any way, so if you are changing the group,
/**
* gtk_radio_button_new_with_mnemonic:
* @group: (element-type GtkRadioButton) (allow-none): the radio button
- * group
+ * group, or %NULL
* @label: the text of the button, with an underscore in front of the
* mnemonic character
*
/**
* gtk_radio_menu_item_new:
- * @group: (element-type GtkRadioMenuItem): the group to which the
- * radio menu item is to be attached
+ * @group: (element-type GtkRadioMenuItem) (allow-none): the group to which the
+ * radio menu item is to be attached, or %NULL
*
* Creates a new #GtkRadioMenuItem.
*
/**
* gtk_radio_menu_item_set_group:
* @radio_menu_item: a #GtkRadioMenuItem.
- * @group: (element-type GtkRadioMenuItem): the new group.
+ * @group: (element-type GtkRadioMenuItem) (allow-none): the new group, or %NULL.
*
* Sets the group of a radio menu item, or changes it.
*/
/**
* gtk_radio_menu_item_new_with_label:
- * @group: (element-type GtkRadioMenuItem) (transfer full):
+ * @group: (element-type GtkRadioMenuItem) (allow-none):
+ * group the radio menu item is inside, or %NULL
* @label: the text for the label
*
* Creates a new #GtkRadioMenuItem whose child is a simple #GtkLabel.
/**
* gtk_radio_menu_item_new_with_mnemonic:
- * @group: (element-type GtkRadioMenuItem): group the radio menu item is inside
+ * @group: (element-type GtkRadioMenuItem) (allow-none):
+ * group the radio menu item is inside, or %NULL
* @label: the text of the button, with an underscore in front of the
* mnemonic character
*
/**
* gtk_radio_tool_button_new:
- * @group: (allow-none) (transfer none) (element-type GtkRadioButton): An
+ * @group: (allow-none) (element-type GtkRadioButton): An
* existing radio button group, or %NULL if you are creating a new group
*
* Creates a new #GtkRadioToolButton, adding it to @group.
/**
* gtk_radio_tool_button_set_group:
* @button: a #GtkRadioToolButton
- * @group: (transfer none) (element-type GtkRadioButton): an existing radio button group
+ * @group: (element-type GtkRadioButton) (allow-none): an existing radio button group, or %NULL
*
* Adds @button to @group, removing it from the group it belonged to before.
*