Mine

--- translate/storage/base.py	2011-05-15 20:14:19.000000000 +0200+++ /home/claude/.../translate/storage/base.py	2012-03-13 14:17:21.759808031 +0100@@ -543,6 +543,9 @@         @param unit: The unit that will be added.         """         unit._store = self+        # Prevent two header units in the same store+        if unit.isheader() and len(self.units) and self.units[0].isheader():+            self.units[0] = unit+        else:+            self.units.append(unit)-        self.units.append(unit)      def addsourceunit(self, source):