[8] RFC 5988 - Web Linking ( ( 版)) <http://tools.ietf.org/html/rfc5988#page-15>
<title>ハッピーマンデー 祝日の意義|JATA</title> <link rel="start" href="/index.html" />
The following relations are derived from [RFC5988], with some clarification:
"start": The OPDS Catalog Root.
[3] existing rel values · Microformats Wiki ( ()) <http://microformats.org/wiki/index.php?title=existing-rel-values&diff=65899&oldid=65784>