I enabled multi tag searching today in Blosxonomy. This is a feature that was already in place, but my URL processing didn't account for. Multi tag searching allows you to lookup entries that match any or all tags specified in the query string - for instance:

http://www.timfanelli.com/tags/svn/apple

Will lookup all entries that are tagged "svn" and "apple".

http://www.timfanelli.com/tags/svn+apple

Will lookup all entries that are tagged "svn" or "apple".

This opens up the possibility to do some cool things, such as showing a "related tag cloud" instead of the full tagcloud when you're searching on a tag. Clicking on a tag in the related tag cloud could append the new tag as an and or an or, allowing to your refine your results with a dynamic view of available relationships.

This feature will be relesed with blosxonomy 0.6.