Warning gtk_action_group_set_accel_group is deprecated and should not be used in newly-written code. 3.10 Sets the accelerator group to be used by every action in this group.
a GtkAccelGroup to set or NULL. [allow-none] Since 3.6
See Implementation
Warning gtk_action_group_set_accel_group is deprecated and should not be used in newly-written code. 3.10 Sets the accelerator group to be used by every action in this group.