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_arg=pf-ns-fnd REDIRECT_SWITCH_SSL=on 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 SWITCH_SSL=on HTTP_HOST=www.w3.org HTTP_ACCEPT_ENCODING=x-gzip, gzip, deflate HTTP_USER_AGENT=CCBot/2.0 (http://commoncrawl.org/faq/) HTTP_ACCEPT_LANGUAGE=en-us,en-gb,en;q=0.7,*;q=0.3 HTTP_ACCEPT=text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8 HTTP_X_FWD_IP_ADDR=54.82.209.152 PATH=/usr/local/bin:/usr/bin:/bin SERVER_SIGNATURE= SERVER_SOFTWARE=Apache/2 SERVER_NAME=www.w3.org SERVER_ADDR=128.30.52.100 SERVER_PORT=80 REMOTE_ADDR=54.82.209.152 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=38436 AUTH_TYPE=Basic REDIRECT_URL=/2001/sw/grddl-wg/td/pf-pf-ns-fnd GATEWAY_INTERFACE=CGI/1.1 SERVER_PROTOCOL=HTTP/1.0 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, 27-Dec-2014 17:20:08 UTC DATE_GMT=Saturday, 27-Dec-2014 17:20:08 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