Index: /branches/release-39/php/lib/function.mtcommentauthor.php
===================================================================
--- /branches/release-39/php/lib/function.mtcommentauthor.php (revision 2400)
+++ /branches/release-39/php/lib/function.mtcommentauthor.php (revision 2503)
@@ -13,6 +13,4 @@
     if ($c['comment_commenter_id']) {
         $commenter = $ctx->stash('commenter');
-        if (is_array($commenter))
-            $commenter = $commenter[0];
         if ($commenter)
             $a = $commenter['author_nickname'];
Index: /branches/release-39/php/lib/function.mtcommentauthoridentity.php
===================================================================
--- /branches/release-39/php/lib/function.mtcommentauthoridentity.php (revision 2395)
+++ /branches/release-39/php/lib/function.mtcommentauthoridentity.php (revision 2503)
@@ -17,6 +17,4 @@
     }
     if (!$cmntr) return "";
-    if (is_array($cmntr))
-        $cmntr = $cmntr[0];
     if (isset($cmntr['author_url']))
         $link = $cmntr['author_url'];
Index: /branches/release-39/php/lib/function.mtcommentauthorlink.php
===================================================================
--- /branches/release-39/php/lib/function.mtcommentauthorlink.php (revision 2411)
+++ /branches/release-39/php/lib/function.mtcommentauthorlink.php (revision 2503)
@@ -26,6 +26,4 @@
 
     $cmntr = $ctx->stash('commenter');
-    if (is_array($cmntr))
-        $cmntr = $cmntr[0];
     if (!isset($cmntr)) {
         if (isset($comment['comment_commenter_id'])) {
Index: /branches/release-39/php/lib/mtdb_base.php
===================================================================
--- /branches/release-39/php/lib/mtdb_base.php (revision 2477)
+++ /branches/release-39/php/lib/mtdb_base.php (revision 2503)
@@ -1409,6 +1409,4 @@
             return $this->_author_id_cache[$author_id];
         }
-        global $mt;
-        $args['blog_id'] = $mt->blog_id;
         $args['author_id'] = $author_id;
         $args['any_type'] = 1;