This is an HTML document, whose profile is set via a server side include, to be pf-ns-fnd. It is intended itself to be used as a profile or namespace document. Rewrite rules in the .htaccess file set the environment variable arg, (i.e. REDIRECT_arg) which is used as the profile. REDIRECT_SCRIPT_URL=/2001/sw/grddl-wg/td/pf-pf-ns-fnd REDIRECT_SCRIPT_URI=https://www.w3.org/2001/sw/grddl-wg/td/pf-pf-ns-fnd REDIRECT_PROT=https REDIRECT__proto_=https REDIRECT_arg=pf-ns-fnd REDIRECT_HTTPS=on REDIRECT_STATUS=200 SCRIPT_URL=/2001/sw/grddl-wg/td/pf-pf-ns-fnd SCRIPT_URI=https://www.w3.org/2001/sw/grddl-wg/td/pf-pf-ns-fnd PROT=https _proto_=https HTTPS=on HTTP_HOST=www.w3.org HTTP_CDN_LOOP=cloudflare; loops=1 HTTP_CF_IPCOUNTRY=US HTTP_ACCEPT_ENCODING=gzip, br HTTP_CF_RAY=99410d54bb73cac0-IAD HTTP_CF_VISITOR={"scheme":"https"} HTTP_ACCEPT=*/* HTTP_USER_AGENT=Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com) HTTP_CF_CONNECTING_IP=216.73.216.58 HTTP_COOKIE=cpPosIndex=1%401761388364%2376998d3b56eada314c991d7fcedfa0ff; __cf_bm=jdzkGIS_3_3eGaBNJ_PCDNfelN8l7YvdVp_DsE5ahdE-1761388318-1.0.1.1-w3rFuOoQ9r4Q7NHmX8y_nx2yc7jwCIEP_FI34X1FA9rio9bApZ2qL8Xn3mTWM3Jl3pc6xjz1G0tNE2gP31VrttkkMjaW7tWI_6pqJ_O7smg HTTP_X_REQUEST_ID=99410d54bb73cac0 HTTP_X_SSL=1 HTTP_X_FORWARDED_PROTO=https HTTP_X_FORWARDED_PORT=443 PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin SERVER_SIGNATURE= SERVER_SOFTWARE=Apache/2 SERVER_NAME=www.w3.org SERVER_ADDR=10.0.1.112 SERVER_PORT=443 REMOTE_ADDR=216.73.216.58 DOCUMENT_ROOT=/afs/w3.org/pub/WWW REQUEST_SCHEME=https CONTEXT_PREFIX= CONTEXT_DOCUMENT_ROOT=/afs/w3.org/pub/WWW SERVER_ADMIN=webreq@w3.org SCRIPT_FILENAME=/afs/w3.org/pub/WWW/2001/sw/grddl-wg/td/pf.shtml REMOTE_PORT=55422 REDIRECT_URL=/2001/sw/grddl-wg/td/pf-pf-ns-fnd GATEWAY_INTERFACE=CGI/1.1 SERVER_PROTOCOL=HTTP/1.1 REQUEST_METHOD=GET QUERY_STRING= REQUEST_URI=/2001/sw/grddl-wg/td/pf-pf-ns-fnd SCRIPT_NAME=/2001/sw/grddl-wg/td/pf.shtml DATE_LOCAL=Saturday, 25-Oct-2025 10:32:48 UTC DATE_GMT=Saturday, 25-Oct-2025 10:32:48 GMT LAST_MODIFIED=Tuesday, 27-Mar-2007 14:36:15 UTC DOCUMENT_URI=/2001/sw/grddl-wg/td/pf.shtml DOCUMENT_ARGS= USER_NAME=mirror DOCUMENT_NAME=pf.shtml