[Bug fix: unnamed ids must be greater than zero.
Lemmih <lemmih@gmail.com>**20081122035626
 Ignore-this: 5d4f82d7d26f677296dfd8adc0d89bea
] hunk ./E/SSimplify.hs 1068
-        newNameFrom (filter even $ randoms g2)
+        newNameFrom (filter (>0) $ filter even $ randoms g2)