* Lookups occur (logically) concurrently; use the `sortlist' directive to
* control the relative order of addresses in answers. This option
* overrides the corresponding init flags (covered by adns_if_afmask).
+ *
+ * adns_ignoreunkcfg
+ * Ignore unknown options and configuration directives, rather than
+ * logging them. To be effective, appear in the configuration
+ * before the unknown options. ADNS_RES_OPTIONS is generally early
+ * enough.
*
* There are a number of environment variables which can modify the
* behaviour of adns. They take effect only if adns_init is used, and