It's been almost four months since alpha12, and there have been so
many improvements that I decided to bump the version to alpha14. The
ChangeLog has a full list of improvements, but here is an abbreviated
list that the microformats crowd might be interested in:
* Cognition has had some microformat validation functions buried away
for a few versions, but these weren't exposed in any interface. Now,
you can see microformat errors and warnings using any of the RDF-ish
output formats. (Hopefully soon I'll create a better interface for
these, so that it can be used as a microformat validator.)
* Support for hRecipe. This microformat is still in draft form and
changes regularly. Details of Cognition's support can be found here:
<http://buzzword.org.uk/cognition/uf-plus.html#hrecipe>. I will
continue to track the hRecipe spec and change Cognition as hRecipe
changes.
* hAudio uses "fn" for the title of the work instead of "title".
("title" is still supported for backwards compatibility for the next
few versions. When both are present, "fn" wins.)
* When converting microformats to RDF, no longer "squatting" on as
many namespaces.
* Support for approximate datetimes. When parsing a datetime, use
class="approx" either on the property itself, or a descendent element
- e.g. <span class="approx bday">1665</span> or <span
class="bday"><span class="approx">ca.</span> <span
class="value">1665</span></span>. This is useful for, say, marking up
historical events in hCalendar.
* Better support for the <pre> element when extracting strings:
whitespace will be preserved.
* Integrated SocialGraph::NodeMapper Perl module. This allows
Cognition to pick up extra information about people. Say, for example
you have an XFN link <a rel="met" href="http://
example.livejournal.com">Example</a>, then Cognition will
automatically figure out that the person's profile URI is <http://
example.livejournal.com/profile>.
* An experimental implementation of <http://microformats.org/wiki/
json>. See, for example, <http://srv.buzzword.org.uk/uf-json/
tantek.com/>.
* For Mac OS X users, there are a collection of NetNewsWire scripts
for parsing hCard, hCalendar and hAudio in feeds.
The Cognition homepage, where it can be downloaded or tried online,
is <http://buzzword.org.uk/cognition/>.
Also, I've started a project on Google Code for issue tracking and a
subversion repository:
<http://code.google.com/p/cognition-parser/>.
--
Toby A Inkster
<mailto:[email protected]>
<http://tobyinkster.co.uk>
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