# tell the client to use a cached copy, without a way to purge it.
if ( $this->mConfig->get( 'UseSquid' ) ) {
# Expect explicit purge of the proxy cache, but require end user agents
# to revalidate against the proxy on each visit.
# tell the client to use a cached copy, without a way to purge it.
if ( $this->mConfig->get( 'UseSquid' ) ) {
# Expect explicit purge of the proxy cache, but require end user agents
# to revalidate against the proxy on each visit.