commit 000a04c7e10c0e16d6a466ead4fd610a0c25b2d1
Author: Erik Stielstra <info@erikstielstra.nl>
Date:   Mon Aug 11 16:56:55 2014 +0200

    #39

diff --git a/core/modules/locale/locale.compare.inc b/core/modules/locale/locale.compare.inc
index fc30982..28463f5 100644
--- a/core/modules/locale/locale.compare.inc
+++ b/core/modules/locale/locale.compare.inc
@@ -69,13 +69,13 @@ function locale_translation_build_projects() {
     if (isset($project_updates[$name]['releases']) && $project_updates[$name]['project_status'] != 'not-fetched') {
       // Find out if a dev version is installed.
       if (preg_match("/^\d+\.x-(\d+)\..*-dev$/", $data['info']['version'], $matches) ||
-          preg_match("/^(\d+)\.\d+\.\d+-.*-dev$/", $data['info']['version'], $matches)) {
+          preg_match("/^(\d+)\.\d+\.\d+.*-dev$/", $data['info']['version'], $matches)) {
         // Find a suitable release to use as alternative translation.
         foreach ($project_updates[$name]['releases'] as $project_release) {
           // The first release with the same major release number which is not a
           // dev release is the one. Releases are sorted the most recent first.
           // For example the major release number for a contrib module
-          // 8.x-2.x-dev is "2", for core 8.1.x-dev is "8".
+          // 8.x-2.x-dev is "2", for core 8.1.0-dev is "8".
           // @todo http://drupal.org/node/1774024 Make a helper function.
           if ($project_release['version_major'] == $matches[1] &&
               (!isset($project_release['version_extra']) || $project_release['version_extra'] != 'dev')) {