* install-sh (from autoconf 2.12 Debian r13) included.
* adnslogres: cast chars to unsigned char before using ctype.h macros.
* Security/performance note added, about local nameservers and DNSSEC.
+ * Documented that adns_rr_info _rr_hostaddr ( ) for address list
+ means permanent failure, and ? means temporary failure.
+ * Typo (*now for now in _beforeselect description) in adns.h fixed.
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