+ - Inline::C[7] deb: libinline-c-perl
+ (speeds up spawning of git(1) on Linux
+ (see public-inbox-daemon(8))
+
+ - Plack::Middleware::ReverseProxy
+
+ deb: libplack-middleware-reverseproxy-perl
+ rpm: perl-Plack-Middleware-ReverseProxy
+ (ensures redirects are correct when running
+ behind nginx or Varnish)
+
+ - Plack::Middleware::Deflater
+
+ deb: libplack-middleware-deflater-perl
+ rpm: perl-Plack-Middleware-Deflater
+ (saves bandwidth on responses)
+
+ - Socket6 deb: libsocket6-perl
+ rpm: perl-Socket6
+ (pulled in by SpamAssassin and Net::Server,
+ only necessary if using IPv6 with
+ Plack::Middleware::AccessLog or similar
+ on Perl <= 5.12)
+
+ - Crypt::CBC deb: libcrypt-cbc-perl
+ (for the rarely-used PublicInbox::Unsubscribe)