
Using "builtins.currentSystem" doesn't work in pure evaluation mode, and even when it's explicitly set (which it always is, in nixos/lib/eval-config.nix), it breaks manual generation because the manual tries to render the default value.
*** NixOS *** NixOS is a Linux distribution based on the purely functional package management system Nix. More information can be found at http://nixos.org/nixos and in the manual in doc/manual.