anchor.diff:      insecure = remediate_insecure;
       broken-outputs = remediateOutputsToInstall;
       unknown-meta = x: "";
  +    maintainerless = x: "";
     };
     remediation_env_var = allow_attr: {
       Unfree = "NIXPKGS_ALLOW_UNFREE";
  
positive.code:   hasUnfreeLicense = attrs:
      hasLicense attrs &&
      isUnfree (lib.lists.toList attrs.meta.license);
  
    isMarkedBroken = attrs: attrs.meta.broken or false;
  
  
negative.code:       { valid = "no"; reason = "broken-outputs"; errormsg = "has invalid meta.outputsToInstall"; }
      else let res = checkMeta (attrs.meta or {}); in if res != [] then
        { valid = "no"; reason = "unknown-meta"; errormsg = "has an invalid meta attrset:${lib.concatMapStrings (x: "\n\t - " + x) res}"; }
      # --- warnings ---
      # Please also update the type in /pkgs/top-level/config.nix alongside this.
      else if hasNoMaintainers attrs then
        { valid = "warn"; reason = "maintainerless"; errormsg = "has no maintainers"; }
      # -----
      else { valid = "yes"; });
  
    assertValidity = { meta, attrs }: let
  