anchor.diff:  
     enableParallelBuilding = false;
   
  -  installPhase = ''
  +  installPhase = if singleWordlist == null then ''
       eval "$preInstall"
   
       mkdir -p "$out/share/scowl" 
  
positive.code:         fi
  
          echo $region $regcode $regcode_sz
          for s in 10 20 30 35 40 50 55 60 70 80 90; do
            ./mk-list $regcode $s > "$out/share/dict/w$region.$s"
            ./mk-list --variants=1 $regcode_var $s > "$out/share/dict/w$region.variants.$s"
            ./mk-list --variants=2 $regcode_var $s > "$out/share/dict/w$region.acceptable.$s"
  
negative.code: {stdenv, fetchFromGitHub, unzip, zip, perl, aspell, dos2unix, singleWordlist ? null}:
  stdenv.mkDerivation rec {
    name = "${pname}-${version}";
    pname = "scowl";
  