In accordance with the rest of the tree, the man pages for DJBDNS should be installed unconditionally (i.e. not dependent on USE=doc). Originally app-doc/djbdns-man existed probably because multiple SRC_URIs weren't allowed, but now it can be fixed.
*djbdns-1.05-r29 (17 Apr 2014) 17 Apr 2014; Michael Orlitzky <mjo@gentoo.org> +djbdns-1.05-r29.ebuild, +files /CVE2008-4392_0001-dnscache-merge-similar-outgoing-queries-ipv6-test25.patch: Version bump with new ipv6 patch and unconditional man pages (bug #504640).