# HG changeset patch
# User cmlenz
# Date 1212789108 0
# Node ID a7dff175b14f08c50b3361fd65f34c779b34f70c
# Parent  852cd3703113695186d59b04a31d35390ff8833c
Fix for #97, compilation of message catalogs for locales with more than two plural forms where the translations were empty was failing.

diff --git a/babel/messages/mofile.py b/babel/messages/mofile.py
--- a/babel/messages/mofile.py
+++ b/babel/messages/mofile.py
@@ -81,7 +81,7 @@
             msgstrs = []
             for idx, string in enumerate(message.string):
                 if not string:
-                    msgstrs.append(message.id[idx])
+                    msgstrs.append(message.id[min(int(idx), 1)])
                 else:
                     msgstrs.append(string)
             msgstr = '\x00'.join([
diff --git a/babel/messages/tests/mofile.py b/babel/messages/tests/mofile.py
--- a/babel/messages/tests/mofile.py
+++ b/babel/messages/tests/mofile.py
@@ -47,6 +47,13 @@
         self.assertEqual(u'Fuzzes', translations.ugettext('Fuzzes'))
         assert isinstance(translations.ugettext('Fuzzes'), unicode)
 
+    def test_more_plural_forms(self):
+        catalog2 = Catalog(locale='ru_RU')
+        catalog2.add(('Fuzz', 'Fuzzes'), ('', '', ''))
+        buf = StringIO()
+        mofile.write_mo(buf, catalog2)
+
+
 def suite():
     suite = unittest.TestSuite()
     suite.addTest(doctest.DocTestSuite(mofile))