anchor.diff:  
     buildInputs =
       [ xorg.libXaw xorg.xproto xorg.libXt xorg.libXext xorg.libX11 xorg.libSM xorg.libICE
  -      ncurses freetype fontconfig pkgconfig xorg.libXft xorg.luit
  +      ncurses freetype fontconfig pkgconfig xorg.libXft xorg.luit makeWrapper
       ];
   
     patches = [
  
positive.code:     "--enable-luit"
      "--enable-mini-luit"
      "--with-tty-group=tty"
    ] ++ stdenv.lib.optional enableDecLocator "--enable-dec-locator";
  
    # Work around broken "plink.sh".
  
negative.code: { stdenv, fetchurl, xorg, ncurses, freetype, fontconfig, pkgconfig, makeWrapper
  , enableDecLocator ? true
  }:
  
  