hatom-cheatsheet

hAtom cheatsheet

hAtom properties and how to use them.

Properties

• hfeed?
  • rel-tag*
  • hentry+
    • author+ (hCard)
      • # if absent, defaults as described at hatom#Entry_Author
    • rel-bookmark {1}
      • # if absent, defaults as described at hatom#Entry_Permalink
    • entry-title {1}
    • entry-content*
    • entry-summary*
    • published (ISO date)?
    • updated (ISO date) {1}
      • # if absent, defaults as described at hatom#Entry_Updated
    • rel-tag*

Key

Based on Perl's standard quantifiers:

bold {1}	MUST be present exactly once
italic*	OPTIONAL, and MAY occur more than once
+	MUST be present, and MAY occur more than once
?	OPTIONAL, but MUST NOT occur more than once
[square brackets]	list of common values
(parentheses)	data format
#	comment
!	awaiting documentation

Notes

• The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT", "SHOULD", "SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this document are to be interpreted as described in RFC 2119.
• All properties are classes, except for rel-bookmarks and rel-tags.

Related pages

• h-entry - latest markup spec for Atom entries in HTML
• h-feed - brainstorm/experiment for feeds in HTML
• hAtom - the draft proposal.
• hAtom Cheatsheet - hAtom properties.
• hAtom Examples, in the Wild
• hAtom Hints - help for implementors.
• hAtom Issues - problems? complaints? ideas? Put them here.
• hatom-brainstorming - active work on iterations toward the next version of hAtom
• hAtom FAQ - knowledge base.
• hAtom advocacy - encourage others to use hAtom.
• Other cheatsheets: hAtom cheatsheet, hCard cheatsheet (also adr cheatsheet + geo cheatsheet), hCalendar cheatsheet, hResume cheatsheet, hReview cheatsheet, PDF cheatsheet