Ethnoclassification systems can similarly %u201Cemerge.%u201D Once you have a preliminary system in place, you can use the most common tags to develop a controlled vocabulary that truly speaks the users%u2019 language.
Here is the patch, I built it against nightly-2004-08-30. There are 2 new options to enable categories as tags, use_category_tagging, and use_category_tagging_autocomplete, you\'ll need to add these directly to MySQL.