+ * 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.