From what I read in the Codex about Permalinks, nested categories show up only in the main URI of the blog, is there some plugin that makes category structure show in hierarchy? What i mean is if i make the subcategory "swing" in the category "jazz", and post "armstrong" in "swing" > this gives me the url http://www.blog.com/jazz/swing/armstrong but if i go to http://www.blog.com/jazz/swing/ i get "Not Found" the "swing" category is nested in main blog URI ie http://www.blog.com/swing/ which is kind of illogical. So is there some plugin that sets this structure right?
I found the Custom Permalinks plug-in but for some reason it does not work and also seems abandoned..