anchor.diff:      sha256 = "18diyy7aib9mn098x07g25c7jij1x7wbfpicz0z8gwxx08px45m4";
     };
   
  +  nativeBuildInputs = [ makeWrapper pkgconfig texinfo ];
  +
     buildInputs =
  -    [ zlib gd texinfo4 readline pango cairo pkgconfig makeWrapper ]
  +    [ cairo gd libcerf pango readline zlib ]
       ++ lib.optional withTeXLive (texlive.combine { inherit (texlive) scheme-small; })
       ++ lib.optional withLua lua
       ++ lib.optionals withX [ libX11 libXpm libXt libXaw ]
  
positive.code: , libXaw ? null
  , aquaterm ? false
  , withWxGTK ? false, wxGTK ? null
  , pango ? null
  , cairo ? null
  , pkgconfig ? null
  , fontconfig ? null
  , gnused ? null
  , coreutils ? null
  
negative.code: { lib, stdenv, fetchurl, makeWrapper, pkgconfig, texinfo
  , cairo, gd, libcerf, pango, readline, zlib
  , withTeXLive ? false, texlive
  , withLua ? false, lua
  , emacs ? null
  