Does anybody besides me find this bizarre:
http://www.tei-c.org/index.xml
gets you:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<?xml version="1.0" encoding="UTF-8"?>
<?oxygen RNGSchema="http://www.tei-c.org/cms/system/modules/org.tei.www/_common/schemas/teilite.rnc" type="compact"?>
<TEI xmlns="http://www.tei-c.org/ns/1.0" rend="home">
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
http://www.tei-c.org/index.html
http://www.tei-c.org/index.xml
http://www.tei-c.org/index-printable.html