LWP::UserAgent::WithCache is a LWP::UserAgent extention.
It handle 'If-Modified-Since' request header with local cache file.
local cache files are implemented by Cache::FileCache.

WWW: http://search.cpan.org/dist/LWP-UserAgent-WithCache/

PR: ports/117146
Submitted by: TAKAHASHI Kaoru <kaoru at kaisei.org>