Index: /trunk/wp-admin/export.php
===================================================================
--- /trunk/wp-admin/export.php (revision 14152)
+++ /trunk/wp-admin/export.php (revision 14153)
@@ -88,9 +88,7 @@
get_col( "SELECT post_author FROM $wpdb->posts GROUP BY post_author" );
-foreach ( $authors as $id ) {
- $o = get_userdata( $id );
- echo "\n";
-}
+$authors = $wpdb->get_results( "SELECT DISTINCT u.id, u.display_name FROM $wpdb->users u INNER JOIN $wpdb->posts p ON u.id = p.post_author ORDER BY u.display_name" );
+foreach ( (array) $authors as $author )
+ echo "\n";
?>