1. 2011-12-28 [Nix-dev] What does "output is not allowed to refer t nix-dev Florian Friesdorf 2. 2011-12-16 [Nix-dev] What does "output is not allowed to refer t nix-dev Eelco Dolstra 3. 2011-12-16 [Nix-dev] What does "output is not allowed to refer t nix-dev Peter Simons