profile-uris: Difference between revisions

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  <code><head profile="http://www.ietf.org/rfc/rfc2731.txt http://www.w3.org/2006/03/hcard"></code>
  <code><head profile="http://www.ietf.org/rfc/rfc2731.txt http://www.w3.org/2006/03/hcard"></code>


However, this is '''''valid''''' according to the W3C HTML validator.
W3C HTML validator has very poor validation of attributes and is technically unable to check this case. The HTML DTD however defines <code>profile</code> attribute as <code>%URI</code> (it's alias for <code>CDATA</code>), same as <code>&lt;a href&gtl</code> attribute.


==See also==
==See also==

Revision as of 11:44, 26 May 2008

Profile URIs

In hcalendar-issues, it is ACCEPTED that each microformat should have a profile URI, like the XFN profile.

Some issues include:

  • what domain to use? Candidates include:
    • microformats.org
    • www.w3.org
    • xmdp.org
  • what about versioning? How to keep in sync with the wiki and test materials?
  • what profile URI to use for combinations, such as hcard and hcalendar?
    • note HTML4.01 states "that one or more meta data profiles, [are] separated by white space"; though it's simpler for authors if they can just use one profile URI.
  • More profiles are needed.

One proposal is: use www.w3.org, following W3C namespace policy. As to versioning, change the profile whenever the wiki changes (within some reasonable latency, say, a couple weeks or a month). For example: an hCard Profile at w3.org, and discussion: an hCard profile that seems to work with GRDDL.

Existing profile URIs

Combined Profile

The following URL covers all non-draft Microformats as of March 2008, except XMDP and XOXO. You can mix and match it with other XMDP profiles for new/draft microformats.

http://purl.org/uF/2008/03/

Individual Microformats

Specification Profile(s)
geo http://purl.org/uF/geo/0.9/
hAtom http://purl.org/uF/hAtom/0.1/
hCalendar http://purl.org/uF/hCalendar/1.0/
hCard http://www.w3.org/2006/03/hcard or http://purl.org/uF/hCard/1.0/
hResume http://microformats.org/wiki/hresume-profile
rel-license http://purl.org/uF/rel-license/1.0/
rel-nofollow http://purl.org/uF/rel-nofollow/1.0/
rel-tag http://purl.org/uF/rel-tag/1.0/
VoteLinks http://purl.org/uF/VoteLinks/1.0/
xFolk http://microformats.org/wiki/xfolk-profile
XFN http://gmpg.org/xfn/11

Validator warning

Due to inconsistent wording of the HTML specs, HTMLTidy (and other tools?) give "Warning: <head> escaping malformed URI reference" when more than one profile is used, e.g. 

<head profile="http://www.ietf.org/rfc/rfc2731.txt http://www.w3.org/2006/03/hcard">

W3C HTML validator has very poor validation of attributes and is technically unable to check this case. The HTML DTD however defines profile attribute as %URI (it's alias for CDATA), same as <a href&gtl attribute.

See also

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