-extern location_t locations[];
-extern object_description_t object_descriptions[];
-extern const char* arbitrary_messages[];
-extern const class_t classes[];
-extern turn_threshold_t turn_thresholds[];
-extern obituary_t obituaries[];
-extern hint_t hints[];
+extern const location_t locations[];
+extern const object_description_t object_descriptions[];
+extern const const char* arbitrary_messages[];
+extern const const class_t classes[];
+extern const turn_threshold_t turn_thresholds[];
+extern const obituary_t obituaries[];
+extern const hint_t hints[];