docs: def entries(self):
          """return the actual lists of entries tagged with"""
          Tags = Query()
          tag = self.table.get(Tags.name == self.name)
          posts = tag['post_ids']
  
          for id in posts:
              post = self.db.posts.get(doc_id=id)
              if not post:  # pragma: no coverage
                  raise ValueError("No post found for doc_id %s" % id)
              yield Entry(os.path.join(CONFIG['content_root'], post['filename']), id)