http://l3tczdiiwoo63iwxty4lhs6p7eaxop5micbn7vbliydgv63x5zrrrfyd.onion/3.0.34/user-manual/actions-file.html
If it is send as "application/xml" , browsers with XHTML support will
only display it, if the syntax is correct. If you see a web site that proudly uses XHTML buttons, but sets "Content-Type:
text/html" , you can use Privoxy to overwrite it with "application/xml" and validate the web master's claim inside your XHTML-supporting
browser.