{
    lib,
    pkgs,
    ...
}: let
    inherit (lib.attrsets) attrValues;
in {
    documentation = {
        enable = true;
        dev.enable = true;
        doc.enable = false;
        info.enable = false;
        man = {
            enable = true;
            generateCaches = false;
            man-db.enable = false;
            mandoc.enable = true;
        };
        nixos = {
            includeAllModules = true;
        };
    };

    environment.systemPackages = attrValues {
        inherit (pkgs)
            man-pages
            man-pages-posix
        ;
    };
}