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adr cheatsheet

adr properties and how to use them.

Properties (Class Names)

  • adr {1}
    • type[work|home|pref|postal|dom|intl]?
    • post-office-box?
    • street-address*
    • extended-address?
    • locality?
    • region?
    • postal-code?
    • country-name?


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
pref preferred
dom domestic
intl international


  • 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.
  • At least one child-property MUST be present in adr.
  • If an adr-child (e.g street-address) is present it will ONLY be considered part of the adr data IF it is inside an adr.
  • FAQ: "why 'adr'?"

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