Difference between revisions of "hcard-issues"

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== Issues ==
 
== Issues ==
  
 +
* {{OpenIssue}} 2007-08-03 raised by [http://www.kaply.com/weblog/ [User:MikeKaply|MikeKaply]]].
 +
*# ''Issue 1: When using the value design pattern, should the data be extracted completely (including HTML tags) or just text content? In general, the value pattern seems to imply taking the data exactly.''
 
*{{OpenIssue}} 2007-05-08 raised by Tantek as a result of a message from [[User:AndyMabbett|Andy Mabbett]] on microformats-new  
 
*{{OpenIssue}} 2007-05-08 raised by Tantek as a result of a message from [[User:AndyMabbett|Andy Mabbett]] on microformats-new  
 
*#''How do you distinguish a '''place''' vs. an '''organization''' hCard, both from the perspective of a publisher (author) wishing to express the particular semantic, and from the perspective of a parser (developer) wishing to discern the difference? This is different from the 2006-12-15 issue on semantic specificity because this issue is *specifically* about place vs. org, rather than conflating that with person.''
 
*#''How do you distinguish a '''place''' vs. an '''organization''' hCard, both from the perspective of a publisher (author) wishing to express the particular semantic, and from the perspective of a parser (developer) wishing to discern the difference? This is different from the 2006-12-15 issue on semantic specificity because this issue is *specifically* about place vs. org, rather than conflating that with person.''

Revision as of 19:12, 3 August 2007

hCard issues

These are externally raised issues about hCard with broadly varying degrees of merit. Thus some issues are REJECTED for a number of obvious reasons (but still documented here in case they are re-raised), and others contain longer discussions. Some issues may be ACCEPTED and perhaps cause changes or improved explanations in the spec.

IMPORTANT: Please read the hCard FAQ before giving any feedback or raising any issues as your feedback/issues may already be resolved/answered.

Submitted issues may (and probably will) be edited and rewritten for better terseness, clarity, calmness, rationality, and as neutral a point of view as possible. Write your issues well. — Tantek

Please add new issues to the top of the list. Please follow-up to resolved/rejected issues with new information rather than resubmitting such issues. Duplicate issue additions will be reverted.

For matters relating to the vCard specification itself, see vCard errata and vCard suggestions.

See also related hCalendar issues.

Issues

  • open issue! 2007-08-03 raised by [User:MikeKaply|MikeKaply]].
    1. Issue 1: When using the value design pattern, should the data be extracted completely (including HTML tags) or just text content? In general, the value pattern seems to imply taking the data exactly.
  • open issue! 2007-05-08 raised by Tantek as a result of a message from Andy Mabbett on microformats-new
    1. How do you distinguish a place vs. an organization hCard, both from the perspective of a publisher (author) wishing to express the particular semantic, and from the perspective of a parser (developer) wishing to discern the difference? This is different from the 2006-12-15 issue on semantic specificity because this issue is *specifically* about place vs. org, rather than conflating that with person.
    2. Note: mailing list post cited in 2006-12-15 issue is quite clear; it says "when a spider finds an hCard, it can't tell if it is a person, company, organization, or place.".
  • open issue! 2007-04-24 raised by singpolyma
    1. What is the 'Label' property for
  • open issue! 2007-04-19 raised by Andy Mabbett
    1. How should we handle Old Style and New Style dates (i.e. Julian calendar vs. Gregorian), in DoB? For instance, Boris Pasternak, born "10 February [O.S. January 29] 1890". Should the hCard spec. specify New Style , using the abbr-design-pattern if necessary: <abbr title="1890-02-10">29 January 1890</abbr>?
  • open issue! 2007-04-09 raised by Andy Mabbett
    1. Why is Geo still a draft, when it's included in the already-published hCard spec?
  • open issue! 2007-03-26 raised by Andy Mabbett
    1. Parsers (Operator, Tails) currently expect adr to have one or more children. It is not clear from the spec that that's mandatory; nor is it always possible for an address field in a templated (or CMS) web site to be defined with such granularity. See hcard-brainstorming#ADR with no children for discussion.
  • open issue! 2007-03-19 raised by [[User::ChristinaHope|Christina Hope]]
    1. Does Microsoft Outlook 2003 allow the use of the "role" property? I have added it to all of my hCards and it is not appearing. Am I doing something wrong?
        • URL?
  • open issue! 2007-02-25 raised elsewhere by User:JamesCraig
    1. internationalisation Note: country-code may be missing. Usually a postal-code prefix such as "FIN-00630 Helsinki" or "L-4750 Petange" (Luxembourg).
  • open issue! 2007-02-02 raised by [[User::DerrickPallas|Derrick Pallas]]
    1. adr says that all of it's properties are singular; however, "street-address" is listed as zero-or-more.
  • open issue! 2007-01-30 raised by Andy Mabbett
    1. Many sites, not least Wikipedia, publish co-ordinates as degrees-minutes-seconds (e.g. [1]). Should Geo be extended to allow for this, with parsers making the conversion to digital values?
  • open issue! 2007-01-26 raised by [[User::JamesCraig|JamesCraig]].
    1. RFC2426 'type' values cannot be localized/internationalized in hCard. In the example below, there is no solution to mark the Spanish version with a type of 'home' since the RFC2426 values are defined in English. abbr-design-pattern would suggest using abbr, but 'Casa' is not an abbreviated form of 'home', therefore the currently recommended version (below) is not valid.

<span class="tel" xml:lang="es">

 <abbr class="type" title="home">Casa</abbr> (<span class="type">pref</span>erido):
 <span class="value">+1.415.555.1212</span>

</span>

      • REJECTED. TOO LITTLE INFORMATION. Please provide the precise URL to the specific statement on the accessify forum discussion that asserts that using abbr is not valid. Please also provide a precise URL to a *real world* (as opposed to an artificially constructed test case) example in the wild of an non-English hCard which attempts to specify RFC2426 type information on a "tel" property and fails to do so.
      • REOPENED and clarified (Also removed Accessify reference pulled from [original raising]).
        1. Though erroneously first raised on the accessibility page, this is not an accessibility issue. It is an HTML semantics issue for internationalization. abbr[title] should be an expanded form of abbr contents, in the same language.
        2. There are real-world non-English examples in the current Mac OS 10.5 (Leopard) developer seed. This code example illustrates the point sufficiently.
        3. Please leave the clarification as-is even if you feel you must RE-REJECT (add-on, don't revert). My original points were lost when they were taken out of context and moved here. -[[User::JamesCraig|JamesCraig]]
  • 2007-01-26 raised by [[User::JamesCraig|JamesCraig]].
    1. Proposal to use the class attribute for qname prefixed type values (and others such as dtstart values), AKA meta classes.

<span xml:lang="en">Home (preferred): <span class="tel type:home type:pref">+1.415.555.1212</span></span> <span xml:lang="es">Casa (preferido): <span class="tel type:home type:pref">+1.415.555.1212</span></span>

  • 2007-01-22 raised by Christina Hope.
    1. What is the easiest way to display an hCard all on one line with spacing. Currently I am using this - but I know that there has to be an easier/ simpler way to do it.
      Examples: (1)
      <p>

<span class="vcard"> <span class="fn">Christina Hope</span>& nbsp;& nbsp;& nbsp; <span class="department">Information Technology</span>& nbsp;& nbsp;& nbsp; <span class="role">Website Coordinator</span>& nbsp;& nbsp;& nbsp; <span display="none" class="region"></span> <span class="tel"> x3408</span> & nbsp;& nbsp;& nbsp; <span class="email"><a href="mailto:chope@example.com">chope@example.com</a></span>

</span></p>

Try
<p class="vcard">

<span class="fn">Christina Hope</span> <span class="department">Information Technology</span> <span class="role">Website Coordinator</span> <abbr class="tel" title="+44123 456 7890 x 3408"> x3408</abbr> <a class="email" href="mailto:chope@example.com">chope@example.com</a>

</p>

Note: apply classes to existing elements; use abbr to give the phone number in full, in international format. Also, use CSS, not non- breaking spaces, for spacing.
Andy Mabbett 08:34, 22 Jan 2007 (PST)
  • 2006-12-15 raised by WizardIsHungry
    1. [Moved from a user talk page] Hey, why is hiding semi-useful information using CSS bad? The Geo and Address stuff wouldn't be enough to contact me, but I would like there so bookmarklets, crawlers, greasemonkey etc can manipulate it. Is there a policy on using CSS hiding of fields? Thanks :)
      • I guess we can't rely that anything that consumes hCards is normalizing it to a particular format instead of just taking all the xml inside the hcard classed block and sticking it somewhere. If it does just store it as a string, then generating html from it will yield the same hidden fields. Perhaps hiding fields by applying a stylesheet to the relevant hcard styles is ok, but not hiding them using in-line CSS styling. Feedback? --Jon Williams 10:28, 22 Dec 2006 (PST)
      • Furthermore, hcard-example1-steps shows using inline CSS to hide fields. What gives? I still think this is an open issue; particularly the distinction between external stylesheet hiding and inline rules though. --Jon Williams 13:33, 5 Jan 2007 (PST)
      • Should this be on Microformat Issues? --Jon Williams 13:37, 5 Jan 2007 (PST)
        • The example you cite is the first of several steps, which refine and improve the first step's suboptimal hCard.
          • The question is: why is this considered suboptimal if it is ok to hide the entire card?'
            • REJECTED CLOSED TOO THEORETICAL. It is not OK to hide the entire card. Without further concrete examples with real world URLs on the web, this issue is closed.
              • Here are a number of examples of hiding the entire card, taken from hCard Examples in the wild: [2] [3] [4] [5] -- Could someone link to where this was discussed and decided in the past, as it seems like this is being governed by fiat. Even if you don't care to have consensus, but could you at least justify this? This stonewalling is rather rude. --Jon Williams 13:24, 9 Jan 2007 (PST)
      • hcard-brainstorming#CSS_Styles explicitly permits this. I'm going with what they say.
  • open issue! 2006-12-07 raised by RyanKing.
    1. hCard org-fn matching should use organization-name, if given.
    2. originally raised on uf-discuss by David Janes.
  • open issue! 2006-11-24 raised by Andy Mabbett
    1. A suggested work-around for the lack of a gender property is to represent gender implicitly in the honorific-prefix field, e.g. Mr. for male, and Ms. for female. This approach does has the limitation that "Mr." and "Ms." (or "Miss"/ "Mrs.") conflicts with a higher-ranking, gender-neutral honorific, such as "Dr." or "Rev." for the person, as it is unusual (and sometimes, outside the USA, invalid) to refer to someone as "Mr. Dr." or "Mrs. Rev." for example. Note also that some cultures or religions regard such titles as offensive, or at least disdain them.
  • 2006-11-23 raised by Andy Mabbett
    1. The specification should be "stand alone", and not normally require reference to the vCard specification.
      • A: ACCEPTED PARTIAL. Agreed that hCard should be usable by typical web authors without having to dig through the vCard specification. Precise implementation of parsing etc. hCard properties however will likely require programmers to reference the specifics/grammars in the vCard specification which we will NOT replicate in the hCard specification in order to avoid inevitable introduction of errors due to duplication. And that being said, informative explanations may be a good idea, while the vCard property/value definitions are kept as normative.
        • Yes; my meaning was with reference to hCard publishing, not parsing-into-vCards. Andy Mabbett
    2. The specification should state that "telephone numbers SHOULD adhere to ITU-T Recommendation E.123" (or perhaps "MUST").
      • ACCEPTED PARTIAL. This makes sense as an informative reference and a MAY, but since vCard makes no such SHOULD statement for TEL values, neither should/will hCard. In addition, as a Wikipedia URL that is subject to drastic change, we cannot make that a normative reference.
        • I take your point about Wikipedia - here's a more definitive ITU-E.123 URL; but it's for a chargeable document. Using "SHOULD" or "MUST" in hCard will not affect compatibility with or conversion to vCard. Andy Mabbett
  • 2006-11-16 raised by Andy Mabbett
    1. The "type" for "tel" lacks a "textphone" option (for the devices used by, e.g., people who are deaf or have speech difficulties. Example: Birmingham City Council (303 1119).
      • A: REJECTED. This is a vCard issue, as the "type" taxonomy for "tel" is determined by vCard. We are not presently extending hCard beyond the properties and values in vCard.
        • I'm not clear how you can "reject" a provably factual statement. What's the process of suggesting an update to vCard? Andy Mabbett
          • A: ACCEPTED PARTIAL RESOLVED. Unfortunately it is not clear what the process is for updating vCard. However, we can at least capture suggestions for improvement to vCard from this community which may be helpful once the process for updating vCard is understood. I've created vCard suggestions for this purpose and added this suggestion. - Tantek
  • open issue! 2006-10-21 raised by Andy Mabbett
    1. There should be some way to say that the URL of an hCard or hCalendar event is the URL of the page itself, without having to include a redundant, and accessibility-damaging link to that page, on the page itself.
      • Quite often I see "a" webpage accessible with several different URLs. Typically 1 URL is the "preferred" URL, expected to have a long lifetime. Sometimes other URLs are "convenience" URLs that may have been linked to in the past, but are expected to go away soon, which resolve to the same file (the "latest version"). Then there are "archive" URLs that show an exact copy of that webpage as it appeared some time in the past. I think we want to always use the "preferred" URL, no matter which of those URLs we happen to stumble upon first -- so the URL is not actually redundant. (How exactly is it "accessibility-damaging" for a page to link to itself? Could you explain or add a link to an explanation?) --DavidCary 17:44, 5 Apr 2007 (PDT)
        • "How exactly is it "accessibility-damaging" for a page to link to itself?" - Novice user clicks on link; nothing (it appears) happens. Repeat ad infinitum, until user leaves site to do something else. Andy Mabbett 02:43, 6 Apr 2007 (PDT)
      • A: ACCEPTED THEORETICAL. While I tend to agree with the accessibility guidelines/issues noted herein in theory, to make this a real world issue worthy of higher priority, we need documentation of examples in the wild where the URL of an hCard or hCalendar event is the URL of the page itself, so that we can use those examples to inform brainstorming towards a solution. Tantek 15:11, 10 Apr 2007 (PDT)
        • Examples in the wild where the URL of an hCard is the URL of the page itself:
          • The Pipettes page at SXSW 2007 (1 of 1000+ bands). There are no links to the page itself on the page to markup with class="url". Thus it would be nice to have a way for the hCard for The Pipettes to indicate that the page itself is the URL for the hCard.
        • Examples in the wild where the URL of an hCalendar event is the URL of the page itself:
          • The Pipettes at La Zona Rosa page at SXSW 2007 (1 of 1000+ concerts, yes, same page as the page for The Pipettes the org). There are no links to the page itself on the page to markup with class="url". Thus it would be nice to have a way for the hCalendar event for The Pipettes at La Zona Rosa to indicate that the page itself is the URL for the hCalendar event.
        • This is also an hReview issue and any other microformat which has a "url" property. Examples where the URL of an (potential) hReview *item* is the URL of the page itself:


  • 2005-06-21 raised by Hixie
    1. Issue H-1: This specification is lacking a user agent conformance section. There's basically nothing that says how hCards must be parsed, how to handle errors, and so forth. Is it defined in terms of the DOM? Is it defined in terms of a serialisation? How do you handle unexpected content or missing content?
      • A: ACCEPTED RESOLVED. See hCard parsing for how hCards must be parsed. For errors/unexpected content/missing content, please provide specific examples.
  • 2005-06-30 raised by Jack L. Wolfgang II. Please feel free to move these to the FAQs if they are better suited there.
    1. Handling middle names and suffixes: How does one handle middle initials/names in the hCard format and suffixes that are not honorific suffixes (e.g. Jr., Sr., II, III, etc. as opposed to Ph.D., Esq., M.D., etc.)?
      • A: ACCEPTED FAQ. By Brian Suda (2005-11-08 updated by Tantek; 2006-11-16 updated by Andy Mabbett) hCard is based of the RFC2426 spec. I you want to use a middle initial it can be expanded using the abbr element. <abbr title="[MiddleName]" class="additional-name">M</abbr>. Honorific Suffixes in the RFC include Jr., Esq. and other inherited suffixes, so I would just use <abbr class="honorific-suffix" title="Junior">Jr.</abbr> etc.
    2. Handling different types of addresses: How does one handle the TYPE (e.g. postal, work, etc.) specification for addresses as specified in RFC 2426 Section 3.2.1?
      • A: ACCEPTED FAQ. By Brian Suda (2005-11-08 updated by Tantek) If you want to add a type to certain elements, including address and telephone it may be done in the following manner:
<span class="adr">
<span class="type">work</span>:
...
</span>
<span class="tel">
<span class="type">work</span>:
<span class="value">123.456.7890</span>
</span>

the TYPE needs to be a sub-element of the property (adr, tel, etc) NOTE: EMAIL does NOT have many TYPE attributes, only INTERNET and X400

  • open issue! 2006-04-10 raised by Scott Reynen.
    1. When someone looks at the hCard pages, one sees no collection of real-world publishing of contact data nor discussion of the properties implied by such examples, I think it's far too easy to infer that microformats come from other formats more than actual behavior. There's nothing on the The microformats process nor the hcard pages explaining this discrepancy. I would argue that there should be an explanation, probably in both places.
  • 2006-04-06 raised by Evan.
    1. What is the relationship between the CATEGORY property and rel="tag"? Can you add a tag to an hCard? How can you add a tag to a particular hcard on a page without tagging the other cards on a page?
      • ACCEPTED. Categories can optionally be represented as tags. The classname 'category' should always be used, but rel="tag" can optionally be used (in addition to the category classname). In the case that a rel-tag tag is used, the tag (as defined by rel="tag") is used for the category. Examples: (1) <span class="category">food</span> and (2) <a class="category" rel="tag" href="http://example.com/food">Food!</a>. --RyanKing 15:16, 13 Jun 2006 (PDT)
  • open issue! 2006-03-07 raised by Tantek.
    1. Issue 1: In 99% of the cases I am finding the need to explicitly do "n" markup, the person has a three word fn which is in the form "given-name additional-name(or initial) family-name". Should we make three word fn's into another shorthand notation to make this easier for authors?
  • 2006-02-23 raised by Jesse Skinner and Ben Buchanan.
    1. Are multiple URLs allowed? The Property List suggests not, whereas email and tel have multiple type/value pairs. However, the parsing page suggests multiple URLs are OK. Either way, it seems clear that a type cannot be associated with a URL. So how exactly does hCard deal with multiple URLs?
      • RESOLVED FAQ: Multiple URLs are allowed. Some consuming agents (Apple's AddressBook.app among them) don't have an interface for producing multiple URLs, but they are still valid in vCard and therefore hCard. --RyanKing 17:58, 12 Jun 2006 (PDT)
  • 2006-02-19 raised by Miika Mäkinen.
    1. Couldn't the types for tel numbers be specified in a class? Now, for a phone number one needs to add the type as "visible" text, which is not always preferred. For example, type "Work", many times more suitable label could be "Office" or similar and sometimes you might not want to display any type information at all.
      • REJECTED TRIED ALREADY. Using class names for the "type" of a tel or adr was attempted, and failed in many situations. In addition, the "type" information is actual data, not just a property name, and thus deserves to be in the visible markup. Note that you can use abbreviations, e.g. <abbr class="type" title="work">W:</abbr> in order to present the type in a way that may better fit in with the rest of your presentation.
  • 2006-02-13 raised by Eron Wright
    1. Few systems contemplate the altitude component of a coordinate, yet it exists. Altitude becomes important when working with 3D mapping software such as Google Earth. Indeed, the geocoding service that Google Earth uses returns a three-dimensional coordinate. I suggest that hCard provide explicit support for altitude.
      • REJECTED POSTPONED. Not in vCard. There is no "altitude" component in vCard (RFC 2426), and thus (certainly for now) there won't be any in hCard. If a new version of vCard were to come out with altitude, then we would add it to hCard. At some point we may also consider adding explicit extensions beyond vCard, but if we were to do so, we would capture them first on the hCard Brainstorming page. See also Geo Elevation.
  • 2006-02-03 raised by Brian
    1. We can use the Geo microformat in hAtom 0.1 to represent GeoRSS element
  • open issue! 2006-01-28 raised by Tantek on #microformats
    1. Is hCard is really appropriate for a named phone bridge, or do we need something else for a named phone numbers that are neither people nor organizations (the current two precise semantics that can be defined by hCard). For example see the "Zakim" hCard on http://www.w3.org/2005/12/allgroupoverview.html
  • 2006-01-21 raised by Ben Boyle.
    1. Have run into issues trying to use definition lists with hCard, specifically around nesting requirements for tel where the DT element takes a class "type" (e.g. Telephone, Facsimile) and the DD element marks the value. It is invalid to place any other elements within a DL that wrap around the DT/DD pairs so there is no available element to assign the class "tel" to. XHTML2 proposes a DI element that will resolve this issue. I am hoping for an interim solution for those that wish to use definition lists, perhaps that "any class that would be placed on the DI parent (in XHTML2) must instead be placed on the first DT element". I realise this will cause headaches for those implementing hCard parsers. I'd also like to note this may affect other (current or future) microformats and relates to the general hassle of definition lists in current (X)HTML recommendations. For your consideration - thanks!
      • REJECTED WORKAROUND AVAILABLE. Either don't use definition lists in this manner (because the description of a definition should go completely in the DD element, and thus you should be able to put the class on that), or use separate DLs in the cases where you would otherwise have needed a DI element.
  • 2005-12-08 raised by Kenny Heaton.
    1. The specification gives no way to to declare a telephone extension, as in (800) 234-5678 ext. 101
      • ACCEPTED FAQ. What is the best way to declare a telephone extension in a "tel" property? (also seems like it would be a vCard FAQ).
  • 2005-10-30 raised by Julian Reschke.
    1. Several implementations (Which ones? Please provide links.) seem to assume that any class attribute that contains the substring "vcard" indeed signals the presence of vcard information. Not so: there are examples (What examples? Please provide links.) of where a token in the class attribute indeed only starts with "vcard", in which it should be ignored. Implementations using XPath (such as XSLT or Greasemonkey scripts) should be advised to do a contains(concat(@class,' '),'vcard ').
  • 2005-08-12 raised by Jack L. Wolfgang II. Use of mailto transport functionality for the E-Mail address field.
    1. As stated in the hCard Brainstorming document, mailto is abused by spammers. As a result, many organizations have moved to form-based contacts as opposed to mailtos. According to RFC 2426, Section 3.3.2, "A non-standard value can also be specified." Does this refer to a non-standard e-mail address value or type value?
      • A: ACCEPTED FAQ. Type value.
  • 2005-07-23 raised by DanConnolly
    1. Are class names case sensitive or not? hCard 1.0 says "If names in the source schema are case-insensitive, then use an all lowercase equivalent."
      • A: ACCEPTED FAQ. Class names are case sensitive per the HTML4 specification. Hence hCard explicitly specifies the case of class name to use for source schema names that are case-insensitive.
    2. ...but I find example data with class="Given-Name"
      • A: ACCEPTED RESOLVED. That is from an older preliminary version of the hCard spec which used mixed case class names. Such class names are no longer valid hCard. Please note which examples (URLs) are using the older class names and hopefully we can get them fixed.
        • A: By Brian Suda I have fixed all the references in the hCard Brainstorming page to reflect the lower-case style, this is a hold-over from the original design, X2V has been updated.
    3. ..and code that supports it [data with class="Given-Name"].
      • A: ACCEPTED RESOLVED. Any code supporting the older class name(s) is for backward compatibility only, and should be phased out. Any new hCard code SHOULD NOT support such mixed case class names.
        • rfc2629xslt.html uses Street-Address, Family-Name, etc.
        • X2V Version 0.5.1 2005-07-08 supports Family-Name etc.
          • A: By Brian Suda I agree that the upper-case class names can be removed from the code, this was a hold-over and will be trimmed.
    4. The ul/ol stuff for multiple values of a property seems to be in the X2V code and in hCard Brainstorming but not in the hCard 1.0 spec.
      • A. ACCEPTED RESOLVED. This needs to be added to the spec. 2005-11-08 Update: the way multiple values has been updated to work much better and not require ul/ol.
    5. the hCard Profile says country-name but X2V and lots of the data I've seen says country
      • A. ACCEPTED RESOLVED. RFC 2426 clearly says "country name" in both the prose and the grammar, thus "country-name" is the correct class name to use. If X2V uses just "country", it needs to be fixed to use "country-name", and any such examples as well. Please note which examples (URLs) are using the class name "country" and hopefully we can get them fixed.
        • A: By Brian Suda I have fixed all the references in the hCard Brainstorming page to reflect the proper country-name, X2V will support this in the next iteration when i fix several bugs at once.
  • 2005-07-22 raised by DanConnolly
    1. ...in my cellphone/sidekick address book, I have a number of entries for companies. I wrote asHCard.xsl to convert the data from RDF to hCard, but I don't know what to do with entries for companies, since FN is mandatory in hCard.
      • A: ACCEPTED FAQ. This should be an FAQ. "How do I write an hCard for a company?" The vCard specification is silent on this point (entries for companies). Thus there are two options as far as the hCard standard is concerned:
        1. Set "fn" and "org" to the same value. E.g. <span class="fn org">W3C</span> (recommended)
        2. Set "org" as usual, and set "fn" explicitly to empty. E.g. <span class="fn"></span><span class="org">W3C</span> or
          • Simply have no "fn", and on the parsing side, if there is no "fn" present, but there is an "org" property, then duplicate the "org" value as "fn"
      • The last two options are effectively the same and are both not explicit and easily confusable with a "missing data" condition. Thus option 1 is preferred. For converting applications (hCard to vCard), they may consider using proprietary extensions to make the distinction explicit in generated vCards, based on either case 1 or 2 above. E.g. Apple's Address Book application supports the property: X-ABShowAs:COMPANY
      • We are looking for descriptions of how other vCard supporting applications treat "company" vCards differently from "person" vCards. Please provide descriptions here:
        • Address Book / MacOSX.3:
          • Export (e.g. drag & drop to desktop, view in text editor)
            • Sets "FN" and "ORG" to the name of the company
            • Sets proprietary X-ABShowAs:COMPANY
          • Import (e.g. edit in text editor, drag & drop from desktop)
            • By setting "FN" and "ORG' to the same name (e.g. Banana Computers Inc.)
            • And removing any proprietary properties (e.g. X-ABShowAs)
            • Address Book user interface showed new vCard as a "company" contact rather an a person
        • Address Book MacOSX.4:
          • same results as above -RyanKing
        • The Danger Hiptop (aka T-Mobile Sidekick) address book:
          • Export (e.g. email to a mailing list)
            • Sets "FN" to the empty string and puts the company name in "ORG".
          • Import - could not find a way to import a .vcf, by email, IM, or other means into the Sidekick.
        • Contacts / Outlook 2003 Windows
          • Export (e.g. Highlight contact, File, Save As, vcard)
            • Sets "N" and "ORG to the name of the company
            • Sets "FN" to value in "File as:"
        • Add another vCard app here.


Canonical/Authoritative Hcard

  • open issue! 2006-01-23 raised by David Janes (?).
  • Issue 1: Specifying Authoritative or Canonical or Official Hcard
    • Use of rel="me" only specifies an alternate version, not necessarily the canonical version
    • Suggestion: use rel="me self". Adopt "self" semantics from Atom which means "the", or controversially "alternate, equivalent" version
    • Suggestion: use rel="via". Per RFC 4287, via "signifies that the IRI in the value of the href attribute identifies a resource that is the source of the information provided in the containing element." from Ryan Cannon.
    • Other suggestions? "authoritative", "canonical"?
    • Problems with this suggestion?
    • How does this relate to authentication/trust issues? Is this a different problem with a different scope?
      • (microformats-discuss list) Joe Andrieu: The concept behind an "authoritative" hCard rather than "definitive" or "canonical" one was that "authoritative" would explicitly be a claim by the author of the hCard regarding its authority in describing the subject of the hCard, i.e., use this hCard as the one true source of this individual's contact information.
      • To summarize: authentication/trust is a separate topic.
    • What exactly is the scope of the problem to solve here?
      • (IRC) (10:47:44) sreynen: for example, all of the examples I've seen involve a single person publishing multiple hCards of himself
      • (IRC) (10:48:13) sreynen: yet many people are talking about 3rd parties publishing hCards and pointing back to the subject's own hCard
    • rel="me" must be symmetrical, per the XFN spec. What exactly does this mean for this use?
    • "me" (and, depending on usage, "self") are not appropriate for content referring to third- parties. Andy Mabbett

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  • 2007-03-28 raised by James Craig
    1. Internationalization (i18n) issue for implied optimization of FN. Many languages (for example, Japanese) often list FN as "family-name given-name" instead of the assumed "given-name family-name" in English and other Western languages. There should be a affordance to indicate the order or a note in the spec indicating that the two-word FN is a shorthand for Western languages and any languages not fitting this format should explicitly define "family-name" and "given-name" every time.
      • ACCEPTED. Tantek To Do: add internationalization section in hCard spec, and note in the spec indicating that the two-word FN is a shorthand for Western languages and any languages not fitting this format should explicitly define "family-name" and "given-name" every time.

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Related Pages

The hCard specification is a work in progress. As additional aspects are discussed, understood, and written, they will be added. These thoughts, issues, and questions are kept in separate pages.