vCard RFC 2426

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<h1>vCard <nowiki>RFC 2426</nowiki></h1>
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<entry-title>vCard RFC 2426</entry-title>
[http://www.ietf.org/rfc/rfc2426.txt RFC&nbsp;2426], "vCard MIME Directory Profile", commonly referred to as vCard, forms the basis of the [[hcard|hCard]] microformat.
[http://www.ietf.org/rfc/rfc2426.txt RFC&nbsp;2426], "vCard MIME Directory Profile", commonly referred to as vCard, forms the basis of the [[hcard|hCard]] microformat.
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When normatively referencing <nowiki>RFC 2426</nowiki> on this wiki, either do so by linking to this page with <nowiki>[[rfc-2426|RFC2426]]</nowiki>, or directly to http://www.ietf.org/rfc/rfc2426.txt.
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When normatively referencing <nowiki>RFC 2426</nowiki> on this wiki, either do so by linking to this page with  
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<nowiki>{{RFC2426}}</nowiki>
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or directly to http://www.ietf.org/rfc/rfc2426.txt.
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== Alternate References ==
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== vCard 4 ==
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Avoid linking to the informative HTML translation of rfc2426.txt, which you must explicitly do by avoiding simply using RFC 2426 (like that) in your text, as MediaWiki appears to auto-hyperlink it to the HTML translation.
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== See Also ==
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Note that vCard 4 is now an RFC: {{RFC6350}}.
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* [[vcard-errata]]
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* [[vcard-implementations]]
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See [[vcard4|vCard 4]] for more and how to send feedback.
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== alternate references ==
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Avoid linking to the informative HTML translation of rfc2426.txt, which you must explicitly do by avoiding simply using the string '''<nowiki>RFC 2426</nowiki>''' in your text, as MediaWiki appears to auto-hyperlink it to the HTML translation thus: RFC 2426.
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== other variants ==
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In addition to the 1:1 mapping of vCard properties and values into [[semantic class names]] to form [[hCard]], there have been a few other attempts to provide alternative variants/schemas to vCard. From most recent to oldest:
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* [http://portablecontacts.net/draft-spec.html#organization_element Portable Contacts]
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* [[OpenID]] [http://www.axschema.org/types/ attribute exchange]
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* 2006-11-14 [http://www.w3.org/2006/vcard/ An Ontology for vCards]. Note problems:
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** violations of [[principles]], in particular [[naming-principles]]
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*** needless renaming / creation of new terms, e.g. "Name" for "n", "Address" for "adr", "Organization" for "org", "Location" for "geo" (that's really bad)
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** introduction of new/unnecessary/flawed assertions of singular properties/subproperties. all singularity assertions in "An Ontology for vCards" must be questioned, because it has some clearly flawed ones, e.g. "A v:Name can have at most 1 v:additional-name property." - we've seen many examples where people have multiple "middle" names for example.  This is a really bad introduction/invention of a constraint not included nor even implied by vCard OR hCard.
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* 2001-02-22 [http://www.w3.org/TR/vcard-rdf Representing vCard Objects in RDF/XML].  Note problems:
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** violations of [[principles]], in particular [[naming-principles]]
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*** needless renaming / creation of new terms. e.g. "Other" for additional-name, "Extadd" for extended-address, "Pcode" for postal-code, "Orgname" for organization-name. See "3.4 Structured Properties" section for more.
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* 2000? [http://msdn.microsoft.com/en-us/library/ms535130(VS.85).aspx Microsoft VCARD_NAME schema for AutoComplete functionality] (date based on estimate of release date of implementation in Internet Explorer for Windows). additional documentation:
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** http://www.geocities.com/technofundo/tech/web/ie_autocomplete.html
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== see also ==
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* [[vcard-errata|vCard errata]]
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* [[vcard-suggestions]]
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* [[vcard-implementations|vCard implementations]]
* [[hcard|hCard]]
* [[hcard|hCard]]

Current revision


RFC 2426, "vCard MIME Directory Profile", commonly referred to as vCard, forms the basis of the hCard microformat.

When normatively referencing RFC 2426 on this wiki, either do so by linking to this page with

{{RFC2426}}

or directly to http://www.ietf.org/rfc/rfc2426.txt.

Contents

vCard 4

Note that vCard 4 is now an RFC: RFC6350.

See vCard 4 for more and how to send feedback.

alternate references

Avoid linking to the informative HTML translation of rfc2426.txt, which you must explicitly do by avoiding simply using the string RFC 2426 in your text, as MediaWiki appears to auto-hyperlink it to the HTML translation thus: RFC 2426.

other variants

In addition to the 1:1 mapping of vCard properties and values into semantic class names to form hCard, there have been a few other attempts to provide alternative variants/schemas to vCard. From most recent to oldest:

see also

vCard RFC 2426 was last modified: Wednesday, October 19th, 2011

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