Index: apachesolr_search.module
===================================================================
--- apachesolr_search.module	(revision 25289)
+++ apachesolr_search.module	(working copy)
@@ -457,7 +457,7 @@
               }
               $unclick_link = '';
               unset($active);
-              $term = taxonomy_get_term($tid);
+              $term = apachesolr_search_localize_taxonomy_term(taxonomy_get_term($tid));
               $new_query = clone $query;
               if ($active = $query->has_filter('tid', $tid)) {
                 $contains_active = TRUE;
@@ -479,7 +479,7 @@
             }
           }
           $vid = substr($delta, 7);
-          $vocab = taxonomy_vocabulary_load($vid);
+          $vocab = apachesolr_search_localize_taxonomy_vocabulary(taxonomy_vocabulary_load($vid));
           if (is_numeric($vid) && is_array($terms) && isset($terms[$vid]) && is_array($terms[$vid])) {
             ksort($terms[$vid]);
             $limit = isset($initial_limits['apachesolr_search'][$delta]) ? $initial_limits['apachesolr_search'][$delta] : $limit_default;
@@ -557,6 +557,54 @@
 }
 
 /**
+ * Localizes taxonomy term
+ *
+ * @param $term
+ * @return object
+ */
+function apachesolr_search_localize_taxonomy_term($term) {
+  if (_apachesolr_search_localize_taxonomy($term)) {
+    $term->name = tt("taxonomy:term:$term->tid:name", $term->name);
+  }
+  return $term;
+}
+
+/**
+ * Localizes taxonomy vocabulary
+ *
+ * @param $vocab
+ * @return object
+ */
+function apachesolr_search_localize_taxonomy_vocabulary($vocab) {
+  if (_apachesolr_search_localize_taxonomy($vocab)) {
+    $vocab->name = tt("taxonomy:vocabulary:$vocab->vid:name", $vocab->name);
+  }
+  return $vocab;
+}
+
+/**
+ * Detects if taxonomy object should be localized
+ *
+ * @param $obj taxonomy vocabulary or term
+ * @return boolean
+ */
+function _apachesolr_search_localize_taxonomy($obj) {
+  static $localize = array();
+
+  if (module_exists('i18ntaxonomy')) {
+    if (empty($localize)) {
+      $localize = i18ntaxonomy_vocabulary(NULL, I18N_TAXONOMY_LOCALIZE);
+    }
+
+    if (in_array($obj->vid, $localize)) {
+      return TRUE;
+    }
+  }
+
+  return FALSE;
+}
+
+/**
  * Callback function for the 'Filter by book' facet block.
  */
 function apachesolr_search_get_book($facet, &$options) {
@@ -720,7 +768,7 @@
  * Return the term name from $tid.
  */
 function theme_apachesolr_breadcrumb_tid($tid) {
-  $term = taxonomy_get_term($tid);
+  $term = apachesolr_search_localize_taxonomy_term(taxonomy_get_term($tid));
   return $term->name;
 }