- * string XXX. You MUST NOT call these functions with status values
- * not returned by the same adns library.
+ * string XXX.
+ *
+ * If you call these functions with status values not actually
+ * returned from other functions in the same adns library, the
+ * returned information may be NULL. (You are also guaranteed
+ * that the return value will not be NULL for values in the
+ * adns_status enum, *except* for adns_s_max_XXXX.)