anchor.diff:      let msg =
         if message != null then message
         else ''
  -        Unfortunately, we may not download file ${name_} automatically.
  -        Please, go to ${url} to download it yourself, and add it to the Nix store
  +        Unfortunately, we cannot download file ${name_} automatically.
  +        Please go to ${url} to download it yourself, and add it to the Nix store
           using either
             nix-store --add-fixed ${hashAlgo} ${name_}
           or
  
positive.code:         exec ${bin} "$@"
        '';
  
    # Copy a path to the Nix store.
    # Nix automatically copies files to the store before stringifying paths.
    # If you need the store path of a file, ${copyPathToStore <path>} can be
    # shortened to ${<path>}.
    copyPathToStore = builtins.filterSource (p: t: true);
  
    # Copy a list of paths to the Nix store.
    copyPathsToStore = builtins.map copyPathToStore;
  
  
negative.code:       '';
      };
  
  
    # Search in the environment if the same program exists with a set uid or
    # set gid bit.  If it exists, run the first program found, otherwise run
    # the default binary.
  