Miscellany

  if ($formatter == 'link') {
    $tags = array();
    foreach ($item as $key => $term) {
      if (!is_object($term) && $key == 'value' && is_numeric($term) && $term != 0) {
        $term = taxonomy_get_term($term);
      }
      $tags[] = l($term->name, taxonomy_term_path($term), array('rel' => 'tag', 'title' => $term->description));
      $output .= implode('- ', $tags);
    }
  }