Microformats Wiki - User contributions [en]

rel-license

2006-01-02T00:56:04Z

Heel1983:

= rel="license" =

relLicense is a simple, open, format for indicating content licenses which is embedable in (X)HTML, Atom, RSS, and arbitrary XML. relLicense is one of several [[microformats|microformat]] open standards.

__TOC__

== Draft Specification 2005-02-06 ==
=== Author ===
[http://tantek.com/ Tantek Çelik], [http://technorati.com Technorati, Inc.] (formerly of [http://microsoft.com/ Microsoft Corporation])

=== Copyright ===
{{MicroFormatCopyrightStatement2004}}

=== Patents ===
{{MicroFormatPatentStatement}}

== Abstract ==

RelLicense is one of several MicroFormats. By adding <code>rel="license"</code> to a hyperlink, a page indicates that the destination of that hyperlink is license for the current page. E.g. with the following hyperlink:

<pre><nowiki>
<a href="http://creativecommons.org/licenses/by/2.0/" rel="license">cc by 2.0</a>
</nowiki></pre>

the author indicates that the page is licensed under a Creative Commons 2.0 Attribution Required license.

== Multiple Licenses ==
Multiple such rel="license" hyperlinks indicate that the page is available under any of the referred licenses. E.g. the following hyperlinks could be used to declare that a page is available under either a Creative Commons 2.0 Attribution Required license or the Apache 2.0 license:

<pre><nowiki><a href="http://creativecommons.org/licenses/by/2.0/" rel="license">cc by 2.0</a>
<a href="http://www.apache.org/licenses/LICENSE-2.0" rel="license">Apache 2.0</a></nowiki></pre>

== XMDP profile ==
<pre><nowiki>
<dl class="profile">
<dt id="rel">rel</dt>
<dd>
<a rel="help" href="http://www.w3.org/TR/html401/struct/links.html#adef-rel">
HTML4 definition of the 'rel' attribute.</a>
Here is an additional value.
<dl>
<dt id="license">license</dt>
<dd>Indicates that the referred resource is a license for the referring page.</dd>
</dl>
</dd>
</dl>
</nowiki></pre>

== normative references ==
* [http://gmpg.org/xmdp/ XMDP]

== informative references ==
* 20040211 rel="license" first proposed in presentation [http://tantek.com/presentations/2004etech/realworldsemanticspres.html real world semantics] at 2004 O'Reilly Emerging Technologies Conference, San Diego, CA, USA.
* 20040225 [http://tantek.com/log/2004/02.html#d25t1805 Thorough discussion of rel="license"] including advantages and presentation possibilities.
* [http://creativecommons.org/licenses/by/2.0/ Creative Commons 2.0 By (Attribution Required) license]
* [http://www.apache.org/licenses/LICENSE-2.0 Apache 2.0 license]
* Contributed from http://developers.technorati.com/wiki/RelLicense

== see also ==
* See [[rellicense-issues]] for issues which have been raised with this [[microformat]].
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hcalendar

2006-01-02T00:55:53Z

Heel1983:

= hCalendar =

hCalendar is a simple open, distributed calendaring and events format, based on the iCalendar standard ([http://www.ietf.org/rfc/rfc2445.txt RFC2445]), suitable for embedding in (X)HTML, Atom, RSS, and arbitrary XML. hCalendar is one of several open [[microformats|microformat]] standards.

__TOC__

== Draft Specification ==

=== Editor ===
[http://tantek.com/ Tantek Çelik] ([http://technorati.com Technorati, Inc])

=== Authors ===
* [http://tantek.com/ Tantek Çelik], [http://technorati.com Technorati, Inc]
* [http://suda.co.uk/ Brian Suda]

=== Copyright ===
{{MicroFormatCopyrightStatement2004}}

=== Patents ===
{{MicroFormatPatentStatement}}

=== Inspiration and Acknowledgments ===
Thanks to:
* Adam Bosworth for leading the [http://wiki.oreillynet.com/foocamp04/index.cgi?HTMLForCalendars FOO Camp 2004 HTML For Calendars presentation] which brought together a critical mass of interested parties.

== Introduction ==
The iCalendar standard ([http://www.ietf.org/rfc/rfc2445.txt RFC2445]), has been broadly interoperably implemented (e.g. Apple's "iCal" application built into MacOSX).

In addition, bloggers often discuss events on their blogs -- upcoming events, writeups of past events, etc. With just a tad bit of structure, bloggers can discuss events in their blog(s) in such a way that spiders and other aggregators can retrieve such events, automatically convert them to iCalendar, and use them in any iCalendar application or service.

This specification introduces the '''hCalendar''' format, which is a 1:1 representation of the aforementioned iCalendar standard, in semantic XHTML. Bloggers can both embed hCalendar events directly in their web pages, and style them with CSS to make them appear as desired. In addition, hCalendar enables applications to retrieve information about such events directly from web pages without having to reference a separate file.

== Semantic XHTML Design Principles ==

{{semantic-xhtml-design-principles}}

== Format ==

=== In General ===

The iCalendar standard ([http://www.ietf.org/rfc/rfc2445.txt RFC2445]) forms the basis of hCalendar.

Note: the editor and authors of this specification are tracking the [http://lists.osafoundation.org/pipermail/ietf-calsify/ "iCal-Basic" effort] and intend to base the core hCalendar profile on iCal-Basic. See references for a link to the current draft.

The basic format of hCalendar is to use iCalendar object/property names in lower-case for class names, and to map the nesting of iCalendar objects directly into nested XHTML.

=== More Semantic Equivalents ===

However, for some properties there is a more semantic equivalent, and therefore they get special treatment, e.g.:
* <code>URL</code> in iCalendar becomes <code><a class="url" href="...">...</a></code> inside the element with <code>class="vevent"</code> in hCalendar.
* <code>ATTENDEE</code> in iCalendar may in hCalendar be represented by an [[hcard]].

=== Singular vs. Plural Properties ===

For properties which are singular (e.g. "N" and "FN" from vCard), the first descendant element with that class should take effect, any others being ignored.

For properties which can be plural (e.g. "TEL" from vCard), each class instance should create a instance of that property. Plural properties with subtypes (e.g. TEL with WORK, HOME, CELL from vCard) can be optimized to share a common element for the property itself, with each instance of subtype being an appropriately classed descendant of the property element.

=== Human vs. Machine readable ===
If an <code><abbr></code> element is used for a property, then the '<code>title</code>' attribute of the <code><abbr></code> element is the value of the property, instead of the contents of the element, which instead provide a human presentable version of the value. This specification recommends that such <code><abbr></code> elements be used for the following iCalendar properties:
* DTSTART, DTEND, DURATION, RDATE, RRULE

== Example ==

Here is a sample event in an iCalendar:
<pre><nowiki>
BEGIN:VCALENDAR
PRODID:-//XYZproduct//EN
VERSION:2.0
BEGIN:VEVENT
URL:http://www.web2con.com/
DTSTART:20051005
DTEND:20051008
SUMMARY:Web 2.0 Conference
LOCATION:Argent Hotel\, San Francisco\, CA
END:VEVENT
END:VCALENDAR
</nowiki></pre>
and an equivalent event in hCalendar format with various elements optimized appropriately. See [[hcalendar-example1-steps]] for the derivation.

<pre><nowiki>

<a class="url" href="http://www.web2con.com/">
Web 2.0 Conference:
<abbr class="dtstart" title="2005-10-05">October 5</abbr>-
<abbr class="dtend" title="2005-10-08">7</abbr>,
at the Argent Hotel, San Francisco, CA
</a>

</nowiki></pre>
which could be displayed as:

[http://www.web2con.com/ Web 2.0 Conference: October 5-7, at the Argent Hotel, San Francisco, CA]

Note 1: The product information is not necessary since hCalendar is an interchange format. When transforming hCalendar back into iCalendar, the transforming engine should add its own product ID.

Note 2: A surrounding element is optional, and is left out as such. It is optional since the context of a vcalendar is implied when a vevent is encountered. The implied context/scope is that of the document. Authors may explicitly use elements with class="vcalendar" to wrap sets of vevents that all belong to the same calendar, e.g. when publishing multiple calendars on the same page.

Note 3: The version information is unnecessary in hCalendar markup directly since the version will be defined by the profile of hCalendar that is used/referred to in the 'profile' attribute of the <head> element.

Note 4: ISO8601 dates (required by iCalendar) are not very human friendly. In addition, the year is often understood implicitly by humans from the context. Thus <code><abbr></code> elements are used to simultaneously provide a human friendly date and/or time in the visible contents of the element, while placing the respective machine parsable comprehensive ISO8601 datetime in the 'title' attribute.
The notation YYYY-MM-DD should be used for better readability.

Note 5: The difference between the DTEND ISO8601 date (2005-10-08) and the human readable date (7) is NOT a mistake. [http://lists.osafoundation.org/pipermail/ietf-calsify/2005-September/000769.html DTEND is exclusive], meaning, that the event ends just before the DTEND. Thus for events which start on one day and end on another day, the DTEND date must be specified as the day after the day that a human would say is the last day of the event.

See [[hcalendar-examples]] for more hCalendar examples

== Examples in the wild ==
This section is '''informative'''.

The following sites have implemented hCalendar, and thus are a great place to start for anyone looking for examples "in the wild" to try parsing, indexing, organizing etc. If events on your pages are marked up with hCalendar, feel free to add it to the top of this list. Once the list grows too big, we'll make a separate wiki page.

* [http://www.webanalyticsassociation.org/en/calendarevents/search.asp Web Analytics Association] - hCalendar microformat is in place on all Tendenci sites on the calendar events search page and consolidated list page.
* [http://www.pehuen.org/node/494 Elecciones 2005 Chile] - the first spanish language hCalendar event I've found in the wild.
* [http://www.codewitch.org/it/2005/11/17/no-creative-commons-no-party/ Giocolando » No Creative Commons? No Party!] is marked up with hCalendar
* [http://www.cmprofessionals.org/events/calendar.html CM Pros Events Calendar] by Bob Doyle, specifically check out the embedded iframe in [http://www.cmsreview.com/Resources/EventsListing.html?CSSURL=http://www.cmsreview.com/css/EventsListing.CMPros.css brief form] or as [http://www.cmsreview.com/Resources/EventsListing.html?AttributeFilter=&OrganizationFilter=&CSSURL=http://www.cmsreview.com/css/EventsListing.CMPros.css&TargetMS=1131142435000&TargetDate=11/4/2005&FilterType=&hideDatesFlag=False&FullListings=Full full content].
* [http://www.midgard-project.org/community/events/ Midgard CMS Event calendar] - as [http://bergie.iki.fi/blog/new-event-calendar-for-midcom.html blogged by Henri Bergius]
* [http://www.iowamilitaryveteransband.com/schedule/ Iowa Military Veterans Band Schedule] - hCalendar markup [http://weblog.randomchaos.com/archive/2005/10/24/Microformats/ added by Scott Reynen]
* [http://www.funfairgames.net/weblog/posts/00000011.html Upcoming events on Jason A.R. Moody Amusements Weblog] posted by Jason Moody on 15 Oct 2005. [http://www.funfairgames.net/weblog/index.html His weblog] in general has hCalendar events posted inside the blog posts.
* [http://tantek.com/microformats/2005/web2/program.html Web 2.0 Conference schedule page marked up with hCalendar]
* [http://ifreebusy.com/ ifreebusy.com] will display freebusy information using hCalendar. See this [http://ifreebusy.com/neiljensen/freebusy/ example].
* [http://we05.com/ Web Essentials 05] has marked up their [http://we05.com/program.cfm program schedule table with hCalendar], using the 'axis' and 'headers' attributes.
* [http://www.bokle.de/ s'Bokle] is a German music pub. Their events calendar has been marked up with hCalendar.
* [http://www.asdvbonaparte.nl/ ASDV Bonaparte] is a Dutch debating society. Their events calendar has been marked up with the hCalendar conventions.
* [http://www.thisiscmon.com/ C'MON] is a rock band from Canada, and their [http://www.thisiscmon.com/shows/ tour dates] have been marked up by [http://www.d2digitalmedia.com/ Ray Dickman] with hCalendar.
* [http://chocnvodka.blogware.com/blog Suw Charman] has marked up [http://suw.org.uk/archives/category/events/ her events] with hCalendar.
* [http://www.blogbusinesssummit.com/ Blog Business Summit] has published their [http://www.blogbusinesssummit.com/details.htm event details] marked up with hCalendar.
* [http://evdb.com EVDB], the Events and Venues database, publishes all events with hCalendar and venues with [[hcard|hCard]]. Took them only 15 minutes to implement both!
* [http://upcoming.org Upcoming.org] publishes all events and lists of events with hCalendar. Took them only an hour to add hCalendar support to the site.
* The [http://laughingsquid.com/squidlist/calendar/ Laughing Squid Calendar] events, [http://laughingsquid.com/squidlist/calendar/9949/2005/5/9 e.g. this party], now supports hCalendar.
* [http://paulschreiber.com/ Paul] Schreiber's [http://concerts.shrub.ca/ Sunnyvale House Concerts] site publishes hCalendar event information for upcoming concerts. In addition the [http://concerts.shrub.ca/shows Past Shows] page contains hCalendar events for all past concerts.
* [http://paulschreiber.com/ Paul] Schreiber's [http://iceoasis.shrub.ca/ unofficial schedule site] publishes hCalendar information for upcoming hockey games at [http://www.iceoasis.com/ Ice Oasis]
* [http://www.complexspiral.com/ Complex Spiral Consulting], both in the "Events" box on left side, and the separate [http://www.complexspiral.com/events/ Events page].
* [http://tantek.com/log Tantek's Thoughts], specifically the "Events" roll in the right-most column.
* [http://suda.co.uk/projects/holidays/ Lesser Known Holidays], a list of holidays on [http://suda.co.uk suda.co.uk] that can be imported via iCal and hCal so you can compare actual transformation versus intended.
* [http://norman.walsh.name/2005/itinerary/ Norm Walsh's travel schedule] use hCalendar as well as GRDDL.
* [http://www.policyawareweb.org/2005/ftf2/paw-mtg Policy Aware Web (PAW) Project Meeting] uses hCalendar to record date-related decisions, and uses a vtodo microformat to record action items.
* The [http://www.kiez-ev.de/ Kiez] is a small cinema and has published its [http://www.kiez-ev.de/programm.htm program] marked up with hCalendar.
* The [http://lufgi4.informatik.rwth-aachen.de Laboratory for Dependable Distributed Systems] publishes it's [http://lufgi4.informatik.rwth-aachen.de/cfps list of notable CfPs on dependability and security] with hCalendar-todo elements.
* The [http://laughingsquid.com/laughing-squid-10th-anniversary-party/ Laughing Squid 10th Anniversary Party] has an hcalendar page.

== Implementations ==
This section is '''informative'''.

The following implementations have been developed which either generate or parse hCalendars. If you have an hCalendar implementation, feel free to add it to the top of this list. Once the list grows too big, we'll make a separate wiki page.

=== Generation ===
* [http://www.midgard-project.org/documentation/net-nemein-calendar/ Midgard CMS - net.nemein.calendar] - as [http://bergie.iki.fi/blog/new-event-calendar-for-midcom.html blogged by Henri Bergius]
* [http://www.decafbad.com/blog/2005/06/08/greasemonkey_magic magic_hcalendar Greasemonkey user script by Les Orchard] - allows easy form entry of an event into any textarea, e.g. into a blog post text area.
* [http://microformats.org/code/hcalendar/creator microformats.org hCalendar creator]
* [http://hybernaut.com/upcoming-hcal Drupal Upcoming.org syndication module emits hCalendar]
* [http://theryanking.com/ Ryan King] has an [http://theryanking.com/microformats/hcalendar-creator.html hCalendar creator].

=== Conversion and consumption ===
* [http://virtuelvis.com/archives/2005/11/learn-to-love-microformats simple hCalendar parser] by [http://virtuelvis.com/ Arve Bersvendsen]
* [http://george.hotelling.net/90percent/ George] has built a [http://george.hotelling.net/90percent/geekery/greasemonkey_and_microformats.php Greasemonkey user script that detects hCalendar events and allows users to easily add them to their calendar application(s)].
* [http://blogmatrix.blogmatrix.com/ David Janes] has produced a [[Greasemonkey]] [http://www.blogmatrix.com/include/microformat-find.user.js script] that finds many microformat elements, including hCalendar events, and [http://blog.davidjanes.com/mtarchives/2005_08.html#003379 provides a popup menu of actions]. The hCalendar to vCalendar conversion is done internally within the script. ''This does not work with FireFox 1.5+/GreaseMonkey 0.6.4+.''
* [http://suda.co.uk/projects/X2V/ X2V] parses hCalendar and produces a .ics (iCalendar) stream. Note: needs to be updated to track changes in the specification as they occur.
* [http://dev.w3.org/cvsweb/2001/palmagent/ palmagent] by [[User:DanC]] includes toICal.xsl and test materials; it works much like xhtml2vcal.xsl in X2V. See also: [http://www.w3.org/2002/12/cal/ RDF Calendar workspace] with icalendar test materials.
* [http://web.mit.edu/glasser/www/JSCalendar/ JSCalendar] parses hCalendar and produces a displayable HTML table/CSS-based calendar.

Investigation:
* [http://wiki.mozilla.org/Calendar_Talk:Lightning#hCalendar_publish_and_subscribe_support Mozilla Calendar / Lightning / Sunbird hCalendar support discussion]

== References ==
=== Normative References ===
* [http://www.w3.org/TR/2002/REC-xhtml1-20020801/ XHTML 1.0 SE]
* [[hcard|hCard]]
* [http://www.ietf.org/rfc/rfc2445.txt iCalendar RFC2445]

=== Informative References ===
* [http://w3.org/TR/REC-CSS1 CSS1]
* [http://tantek.com/log/2004/09.html#hcalendar hCalendar term introduced and defined on the Web, 20040930]
* [http://wiki.oreillynet.com/foocamp04/index.cgi?HTMLForCalendars FOO Camp 2004 HTML For Calendars presentation, 20040911]
* [http://wiki.oreillynet.com/foocamp04/index.cgi?SimpleSemanticFormats FOO Camp 2004 Simple Semantic Formats presentation, 20040910]
* [http://www.ietf.org/internet-drafts/draft-royer-ical-basic-02.txt iCal-Basic draft 02]
* Contributed from http://developers.technorati.com/wiki/hCalendar
* [http://www.w3.org/TR/xhtml11 XHTML 1.1]

==== Related ====
* [[icalendar-implementations|iCalendar implementations]]
* [http://lists.osafoundation.org/pipermail/ietf-calsify/ IETF-calsify archives]
* [http://www.livejournal.com/users/jwz/444651.html jwz - Hula] (required reading)
* [http://www.jwz.org/doc/groupware.html Groupware Bad by Jamie Zawinski] crystalizes the reason for hCalendar ('''emphasis''' added):
<blockquote>"Right now people can do that by publishing .ics files, but it's not trivial to do so, and it's work on the part of other people to look at them. '''If it's not HTML hanging off our friend's home page that can be viewed in any browser on a public terminal in a library, the bar to entry is too high and it's useless.'''"</blockquote>

* [http://muddybranch.thejkgroup.com/ Jason Klemow's blog]
* [http://www.softwarestudio.org/iCal/2445Issues.html RFC2445 Issues List]
* [http://ietf.webdav.org/calsify/ CALSIFY WG Links And Resources]

=== Similar Work ===
* [[XOXO]]

== Discussions ==

This specification is a work in progress. As additional aspects are discussed, understood, and written, they will be added. There is a separate document where we are keeping our brainstorms and other explorations relating to hCalendar:

* [[hcalendar-brainstorming]]

* See also [http://www.technorati.com/cosmos/referer.html blogs discussing this page].

=== Q&A ===
* If you have any questions about hCalendar, check the [[hcalendar-faq]], and if you don't find answers, add your questions!

=== Issues ===
* Please add any issues with the specification to the separate [[hcalendar-issues]] document.
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process

2006-01-02T00:55:46Z

Heel1983:

=So you wanna develop a new microformat?=

__TOC__

==Why?==
There must be a problem to be solved. No problem, no microformat.

Once you've found your 'problem,' ask yourself: 'is there a simpler problem here?' If so, let's solve that problem first. We want to deal with the simplest problems first and only then build up to more complex problems.

Also, search around on the web. Chances are that someone else has encountered the same problem as you. If you still believe that you have an unsolved problem, post something to the [http://microformats.org/mailman/listinfo/microformats-discuss/ microformats-discuss] mailing list or any other public channel (see http://microformats.org/discuss/) We want to involve all interested parties in the discussion. Start the discussion '''BEFORE''' you start creating any pages on the wiki. We're not using the wiki as a general "scratch pad". If you can't summarize the problem you are trying to solve in a short email, and feel like you need a long document, you're probably trying to solve too big of a problem - see previous paragraph.

==Document Current Behavior==
Document current human behavior. Remember, we're [http://ifindkarma.typepad.com/relax/2004/12/microformats.html paving the cowpaths]- before you do that you have to ''find'' the cowpaths. Your [[examples]] should be a collection of real world sites and pages which are publishing the kind of data you wish to structure with a microformat. From those pages and sites, you should extract markup examples and the schemas implied therein, and provide analysis.

This collection of examples should be public, preferably on a wiki because there's no way you can do it by yourself (no matter how many of you there are). The [[reviews-formats]] page is a good example of research done before the creation of a microformat. Before developing [[hreview]], the collaborators went out, documented current practices around reviews on web sites, and provided some analysis of the schemas implied therein.

It's quite possible during this step that you'll find someone else who has dealt with the problem you're addressing. Perhaps even solved it. Do your best to open a dialog with others who have encountered the same problem. We don't want to build walls between competing communities - we want people to work together to develop a good solution which will cover the majority of cases.

==Propose a Microformat==
Actually, '''DON'T!!!'''

There are other things to try before developing a microformat. First, ask yourself these questions:

# Is there a standard element in XHTML that would work?
# Is there a compound of XHTML elements that would work?
# Ok, if the answer to the above two is 'no,' we can talk about a microformat.

For more details on semantic XHTML, examples of using XHTML elements, and constructing XHTML compounds, see [http://tantek.com/presentations/2005/03/elementsofxhtml/ The Elements of Meaningful XHTML].

First you should observe [[microformats#the_microformats_principles|the microformats principles]]

After you understand the principes, ask yourself: "are there any well established, interoperably implemented standards we can look at which address this problem?" For example, hCard and hCalendar were built on top of the IETF standards for vCard and iCal, respectively, both of which are widely interoperably implemented. The developers of those standards had already spent many years in standards committees arguing about and developing the schemas. Better to leverage all the hard work that others have done before you, than to go off as a solo cowboy inventor, and waste time repeating all their mistakes. It's also much easier to start from a well established schema, and map into into XHTML than to develop a new schema.

Remember, microformats should be designed for humans first and machines second. Here are few questions that may help you decide if you really need a microformat for the problem you are trying to solve:

# If I looked at this microformat in a browser that didn't support CSS or had CSS turned off, would it still be human readable?
# Are this format's elements stylable with CSS?

If the proposed format doesn't pass these two things, it's not likely to gain much acceptance. Remember: ''humans first, machines second''.

== Iterate ==
After proposing a microformat, you'll likely get a lot of feedback from others interested in microformats. The proposal needs to be iterated and adapted. Microformat development should be collaborative and communtiy based.

Here's an ASCII-art flow diagram:
<pre>
DIAGRAM:
problem statement---->research/discussion---->proposal/draft---->standard
^________________V ^___________________V ^______________V
</pre>

Note that each stage involves iteration. That iteration consists of discussion and feedback and may result in major changes. Do not be afraid to make major changes and please don't get too attached to any particular solutions.

=== Pages to consider creating ===

A pattern has emerged from successful microformat development efforts of several specific kinds of wiki pages being created, in a particular order (though not always).

After a specific problem area (*) has been determined (principle 1), consider creating and filling out the following pages for it. If your'e unable to come up with material for the pages, then you should probably reconsider whether or not the problem is worth (or ready for) solving.

# *-examples. Find examples on today's web of the the type of content you think needs a microformat. Document them with URLs. Document the implicit schemas that the content examples imply. This is the action that helps follow principle 3, design for humans first, machines second ... adapt to current behaviors and usage patterns.
# *-formats. Find widely adopted interoperable current data formats and standards that attempt to or have attempted to solve the problem previously. Document their explicit schemas. This is necessary prerequisite for following through with principle 4, reuse building blocks from widely adopted standards.
# *-brainstorming. Use the current real-world web examples and their implicit schemas to determine an 80/20 as-simple-as-possible (principle 2) generic schema to represent their data. Yes, this means you will explicitly ''omit'' some features of some use cases, or perhaps entire use cases which are more edge-cases than representative of larger, aggregate/macro behaviors. See which existing microformats can be reused as building blocks (principle 5, modularity). Use those existing data formats and schemas as a [[existing-classes|source of names]] for the fields (principle 4). Consider how would you embed this microformat in other formats (also principle 5, embeddability). With an 80/20 schema, and a source of field names, write up one or more straw proposals for a microformat. Make sure the straw proposals encourage the decentralized distribution of data (principle 6). At this point, you may want to also consider a naming section, where various names for the microformat can be considered.
# **. When it seems like there is some amount of consensus around one of the straw proposals for a microformat(**), write it up as a separate wiki page as a draft specification.
# **-faq. There will likely be common questions about the new microformat which can/should be answered in an FAQ page.
# **-issues. Folks may also raise issues about the microformat which aren't immediately addressable. An issues document helps serves to capture these issues, who raised them, and when, so that folks working on the microformat can be sure to go through and thoroughly answer them.
# **-implementations. Eventually there may be too many implementations of a microformat to document them in an informative section at the end of the specification, thus the list deserves its own page.

=== Moving from Stage to Stage ===

These stages of development are mirrored on the main page where microformats are divided into "Exploratory Discussions", "Drafts", and "Specifications". How do microformats move from one stage to the other? To help answer this question, it's probably useful to write up a set of desiderata for each stage.

==== Exploratory Discussions ====

You need a problem, and you need to attempt to state it. You should do it on this wiki using current items under exploratory discussion as a guide. Then send a note to the microformats-discuss list to get the attention of others who are interested in microformats. This is probably a good chance to pull in people from outside the current microformats community who may also be experiencing the same issue.

Feedback will probably range the gamut. Others may challenge your problem statement, the need for a microformat, concur, or add. All constructive feedback is good.

As a result of feedback, you may decide to abort your microformat idea or substantially modify it. One thing you want to be sure to do at this stage is to avoid [[reinvented-wheels|reinventing the wheel]]. Are there elemental microformats you can reuse as building blocks? Doing this will save you effort and help you get implemented later because implementers will have less work to do.

However, do not be cowed from moving forward just because some people object. If you can find a group of people you respect who feel your idea has merit and, perhaps most importantly, are willing to continue working with you on getting it in shape, proceed.

==== Drafts ====

Here, you need to write what is essentially a specification, but with the idea that it could change a lot. Again, this needs to go in the wiki, and you should send a note to microformats-discuss to alert people that something new has happened. Don't hesitate to continue trying to pull in feedback from relevant resources outside the community. Drafts need to include at least the following:

* Statements regarding the fact that you will not patent and are adopting appropriate copyright as illustrated by current drafts.
* An XMDP stating attribute values. You may want to place this on a separate wiki page and link to it. In that case use the naming convention *-profile, e.g. [[hcard-profile]].
* Examples from current practice that show how the microformat would be used. Keep an eye out for how the microformat is actually improving things. If it's not, that might be an indication that you either need to abandon or change a lot.
* References that back up your design decisions for the microformat. To the extent possible, you do not want to invent things from whole cloth.
* A list of implementations (if any).
* An issues section for people to feed back to you with detailed objections.

==== Specifications ====

You will usually need at least one iteration to get past the draft stage. By the time something becomes a specification, it should be stable so that developers can pick it up and write to it. This in turn implies that there are at least a couple of implementations.

Before moving to the specifications section, drop a note to microformats-discuss and wait a day or two for major objections. If none are forthcoming, move the microformat to the specifications area. This move will wake up any sleeping editors, and they may raise an objection and move you back to draft. If you have followed the process, now is the time to pin them down. At this juncture, any remaining issues should be easy to resolve.
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