401 Unauthorized
WWW-Authenticate: Basic realm="dav"

=====
403 Forbidden

=====
207 Multi-Status

<?xml version="1.0"?><!DOCTYPE multistatus [<!ENTITY e "&amp;entity">]><multistatus xmlns="DAV:"><response><href>&e;</href><propstat><prop><getetag><![CDATA["c1"]]></getetag></prop></propstat></response></multistatus>
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207 Multi-Status

<?xml version="1.0"?><multistatus xmlns="DAV:"><response><href></href><propstat><prop><getetag/></prop></propstat></response>
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500 Internal Server Error

not xml at all
