- Performance optimization, reported by Gary R. Schmidt.
- Fix a file descriptor leak in fetchnews.c's getbody_newno function
- When complaining that we are unable to switch the user ID, report the
current real and effective user IDs to ease debugging.
- Leafnode now enables IPv6 support by default. Use --without-ipv6 to disable.
- Leafnode now supports detecting if a peer is in a local network also
for IPv6 global addresses, providing that the host OS provides getifaddrs().
This comprises Linux, NetBSD, FreeBSD, but not, for instance, Solaris 10.
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