Add fallback argument to translation(). Request fallbacks on install.
Fixes #500595.
diff --git a/Misc/NEWS b/Misc/NEWS
index fd552ed..cc81150 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -26,6 +26,8 @@
   arbitrary shell code can't be executed because a bogus URL was
   passed in.
 
+- gettext.translation has an optional fallback argument.
+
 Tools/Demos
 
 Build