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=http://www.w3.org/2001/sw/grddl-wg/td/pf-pf-ns-fnd REDIRECT_PROT=http REDIRECT__proto_=http REDIRECT_http_request= REDIRECT_arg=pf-ns-fnd REDIRECT_STATUS=200 SCRIPT_URL=/2001/sw/grddl-wg/td/pf-pf-ns-fnd SCRIPT_URI=http://www.w3.org/2001/sw/grddl-wg/td/pf-pf-ns-fnd PROT=http _proto_=http http_request= HTTP_USER_AGENT=ArchiveTeam ArchiveBot/20170106.02 (wpull 2.0.2) and not Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/42.0.2311.90 Safari/537.36 HTTP_ACCEPT=text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8 HTTP_REFERER=http://www.w3.org/2001/sw/grddl-wg/td/pf-pf-pf-ns-fnd HTTP_HOST=www.w3.org HTTP_X_SSL=0 HTTP_X_FORWARDED_PORT=80 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=128.30.52.254 SERVER_PORT=80 REMOTE_ADDR=163.172.146.78 DOCUMENT_ROOT=/afs/w3.org/pub/WWW REQUEST_SCHEME=http 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=58000 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=Monday, 20-Mar-2017 19:36:03 UTC DATE_GMT=Monday, 20-Mar-2017 19:36:03 GMT LAST_MODIFIED=Tuesday, 27-Mar-2007 14:36:15 UTC DOCUMENT_URI=/2001/sw/grddl-wg/td/pf.shtml USER_NAME=mirror DOCUMENT_NAME=pf.shtml