New features:
* New adnslogres, ~100x faster replacement for Apache logresolve;
Thanks to Tony Finch for the program and the performance figure.
- * New adnshost utility - currently only a usage message :-).
* New internal consistency checking with assert if right options set.
* New adns_wait_poll function like adns_wait but uses poll, not select.
+ * New adnshost utility - currently only a usage message :-).
Incompatible changes:
* RRs with mailboxes never rejected due to strange chars if _raw.
General improvements:
* Promise not to change fds in adns_beforepoll (if now is specified).
* Improved textual error string for _s_prohibitedcname.
+ * New comment in adns_processany and return 0 (not r which is 0).
+ * Documentation of resolv.conf directives and options, and of environment
+ variables understood, in adns.h
Portability and build improvements:
* Give install the '-c' flag (otherwise some delete the original !).
* Do not remove top-level Makefile on `make clean'.
* Don't complain so much about poll(2) tests if not available.
* Do not give -u 0 -g 0 options to install.
+ * Remove trailing , from some enums in adns.h.
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