loopback:

loopback:

[1] Added loopback protocol handler. Useful for testing. - Gitorious ( 版) <https://gitorious.org/libwww-perl/alexey-tourbins-clone/commit/9fb145bb09322e41e6976dd3bacf187670674baf>

[2] libwww-perl/loopback.pm at master · libwww-perl/libwww-perl ( 版) <https://github.com/libwww-perl/libwww-perl/blob/master/lib/LWP/Protocol/loopback.pm>