[1] [CITE@en[draft-sayre-atompub-xhtml-micro-00 - XHTML Microformats for the Atom Publishing Protocol]] ([TIME[2008-12-24 17:42:40 +09:00]] 版) <http://tools.ietf.org/html/draft-sayre-atompub-xhtml-micro-00>

[2] [[hCal]]

[3] [[hError]]