proxy.xml

<?xml version="1.0" encoding="UTF-8" ?>
<service primary="W3C" secondary="TR" id="WD-proxy">
    <title>Notification for Proxy Caches</title>
    <documentation source="http://www.w3.org/TR/WD-proxy">A mechanism to enable better functioning of proxies is proposed. This mechanism allows proxies to inform a remote server about transactions performed using the cache and for servers to inform proxies when data becomes stale.</documentation>
    <http-header def="Proxy-Features">
        <documentation source="http://www.w3.org/TR/WD-proxy">The proxy features header is used by a proxy sending data to a server. It specifies the features supported by the specified proxy.</documentation>
    </http-header>
    <http-header def="Proxy-Instruction">
        <documentation source="http://www.w3.org/TR/WD-proxy">The proxy instruction header is used to reply to a proxy features header. It should only be present when a Proxy-Features header was present in the corresponding request.</documentation>
    </http-header>
</service>