{
  programs.less = {
    enable = true;

    keys = ''
      s        back-line
      t        forw-line
    '';
  };

  nmt.script = ''
    assertFileExists home-files/.config/lesskey
    assertFileContent home-files/.config/lesskey ${builtins.toFile "less.expected" ''
      s        back-line
      t        forw-line
    ''}
  '';
}
