anchor.diff:  { stdenv, pkgs, fetchgit, autoconf, sbcl, lispPackages, xdpyinfo, texinfo4, makeWrapper, stumpwmContrib }:
   
   let
  -  tag = "0.9.8";
  +  tag = "0.9.9";
   in
   
   stdenv.mkDerivation rec {
  
positive.code:  src = fetchgit {
     url = "https://github.com/stumpwm/stumpwm";
     rev = "refs/tags/${tag}";
     sha256 = "0a0lwwlly4hlmb30bk6dmi6bsdsy37g4crvv1z24gixippyv1qzm";
   };
  
   buildInputs = [ texinfo4 autoconf lispPackages.clx lispPackages.cl-ppcre sbcl makeWrapper stumpwmContrib ];
  
negative.code:     maintainers = with maintainers; [ _1126 ];
      platforms   = platforms.linux;
    };
  }
  