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hReview cheatsheet

hReview properties and how to use them.

This page is work in progress and should not be relied up on until this notice is removed

Properties (Class Names)

  • hReview (hreview)
    • version. optional. text.
    • summary. optional. text.
    • item type. optional. product | business | event | person | place | website | url.
    • item info. required. fn (url || photo ) | hCard (for person or business) | hCalendar (for event)
    • reviewer. optional. hCard.
    • dtreviewed. optional. ISO8601 absolute date time.
    • rating. optional. fixed point integer [1.0-5.0], with optional alternate worst (default:1.0) and/or best (default:5.0), also fixed point integers, and explicit value.
    • description. optional. text with optional valid XHTML markup.
    • tags. optional. keywords or phrases, using rel-tag, each with optional rating.
    • permalink. optional, using rel-bookmark and rel-self.
    • license. optional, using rel-license.


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


  • 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.

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