Generate recall for everburning lights

Resolves angband/angband#6065 .

src/obj-info.c

@@ -1913,18 +1913,28 @@ static void describe_flavor_text(textblock *tb, const struct object *obj,
  */
 static bool describe_ego(textblock *tb, const struct ego_item *ego)
 {
-	if (kf_has(ego->kind_flags, KF_RAND_HI_RES))
+	bool something = false;
+
+	if (kf_has(ego->kind_flags, KF_RAND_HI_RES)) {
+		something = true;
 		textblock_append(tb, "It provides one random higher resistance.  ");
-	else if (kf_has(ego->kind_flags, KF_RAND_SUSTAIN))
+	} else if (kf_has(ego->kind_flags, KF_RAND_SUSTAIN)) {
+		something = true;
 		textblock_append(tb, "It provides one random sustain.  ");
-	else if (kf_has(ego->kind_flags, KF_RAND_POWER))
+	} else if (kf_has(ego->kind_flags, KF_RAND_POWER)) {
+		something = true;
 		textblock_append(tb, "It provides one random ability.  ");
-	else if (kf_has(ego->kind_flags, KF_RAND_RES))
+	} else if (kf_has(ego->kind_flags, KF_RAND_RES)) {
+		something = true;
 		textblock_append(tb, "It provides one random resistance.  ");
-	else
-		return false;
+	}
+	if (of_has(ego->flags, OF_NO_FUEL)
+			&& of_has(ego->flags_off, OF_TAKES_FUEL)) {
+		something = true;
+		textblock_append(tb, "It burns forever without fuel.  ");
+	}
 
-	return true;
+	return something;
 }
 
 /**