[microformats-discuss] Ambiguities in reltag specification

[Kevin Marks]

On Jul 21, 2005, at 4:58 PM, Craig Ogg wrote:

> Okay, after some more experimentation I am confused.  In looking at
> encodings, I did a technorati query for News & Politics
> (http://www.technorati.com/tag/News%20&%20politics).  The first item
> that came up was http://www.zigguratofdoom.com/?p=632.
>
> I went and did a view source on that page to see how the tag had been
> coded.  It appears that this is the coding:
>
> <a href="http://www.zigguratofdoom.com/index.php?cat=13" title="View
> all posts in News &#038; Politics" rel="category tag">News &#038;
> Politics</a>
>
> In this case, it appears that the link text rather than the URL was
> the source of the tag.  Is this another case of handling what is out
> there rather than following the spec or is the link text what is
> actually used?

The technorati tags code also indexes the <category> element of RSS and 
Atom feeds, as well as <dc:subject>

That use of tag is invalid, and is based on a bug in some versions of 
WordPress. If WordPress has mod-rewrite support for categories on, that 
would have a valid tag url.