found
<!-- minimal well-formed success case -->
<html><head><meta http-equiv="X-XRDS-Location" content="found"></head></html>

found
<!-- minimal well-formed success case, xhtml closing, whitespace -->
<html><head><meta http-equiv="X-XRDS-Location" content="found" /></head></html>

found
<!-- minimal well-formed success case, xhtml closing, no whitespace -->
<html><head><meta http-equiv="X-XRDS-Location" content="found"/></head></html>

found
<!-- minimal success case -->
<html><head><meta http-equiv="X-XRDS-Location" content="found">

found
<!-- ignore bogus top-level tags -->
</porky><html><head><meta http-equiv="X-XRDS-Location" content="found">

found
<!-- Case folding for header name -->
<html><head><meta http-equiv="x-xrds-location" content="found">

found
<!-- missing <html> tag -->
<head><meta http-equiv="X-XRDS-Location" content="found">

found
<!-- javascript in head -->
<html><head><script type="text/javascript">document.write("<body>");</script><META http-equiv="X-XRDS-Location" content="found">

EOF
<!-- javascript in head -->
<html><head><script type="text/javascript">document.write("<body>");<META http-equiv="X-XRDS-Location" content="found">

found
<!-- case folding for tag names -->
<html><head><META http-equiv="X-XRDS-Location" content="found">

found
<!-- Stop after first one found -->
<html><head>
<meta http-equiv="x-xrds-location" content="found">
<meta http-equiv="x-xrds-location" content="not-found">

&
<!-- standard entity -->
<head><meta http-equiv="X-XRDS-Location" content="&amp;">

found
<!-- hex entity -->
<html>
  <head>
    <meta http-equiv="X-XRDS-Location" content="&#x66;ound">
  </head>
</html>

found
<!-- decimal entity -->
<html>
  <head>
    <meta http-equiv="X-XRDS-Location" content="&#102;ound">
  </head>
</html>

/
<!-- hex entity -->
<html>
  <head>
    <meta http-equiv="X-XRDS-Location" content="&#x2f;">
  </head>
</html>


<!-- empty string -->
<html><head><meta http-equiv="X-XRDS-Location" content="">

EOF
<!-- No markup, except this comment -->

None
<!-- No meta, just standard HTML -->
<html>
  <head>
    <title>A boring document</title>
  </head>
  <body>
    <h1>A boring document</h1>
    <p>There's really nothing interesting about this</p>
  </body>
</html>

EOF
<!-- No <html> or <head> -->
<meta http-equiv="X-XRDS-Location" content="found">

EOF
<!-- No <head> tag -->
<html><meta http-equiv="X-XRDS-Location" content="found">

None
<!-- No <html> or <head> and a <body> -->
<body><meta http-equiv="X-XRDS-Location" content="found">

None
<!-- <head> and <html> reversed -->
<head><html><meta http-equiv="X-XRDS-Location" content="found">

None
<!-- <meta> is inside of <body> -->
<html><head><body><meta http-equiv="X-XRDS-Location" content="found">

None
<!-- <meta> is inside comment -->
<html>
  <head>
    <!--<meta http-equiv="X-XRDS-Location" content="found">-->
  </head>
</html>

None
<!-- <meta> is inside of <body> -->
<html>
  <head>
    <title>Someone's blog</title>
  </head>
  <body>
    <h1>My blog</h1>
    <p>This is my blog</p>
    <h2>Comments</h2>
    <p><meta http-equiv="X-XRDS-Location" content="found"></p>
  </body>
</html>

None
<!-- short head tag -->
<html><head/>
<meta http-equiv="X-XRDS-Location" content="found">

None
<!-- <body> comes first -->
<body><html><head>
<meta http-equiv="X-XRDS-Location" content="found">

None
<!-- </body> comes first -->
</body><html><head>
<meta http-equiv="X-XRDS-Location" content="found">