anchor.diff:      export PERL5LIB="$PERL5LIB''${PERL5LIB:+:}$PWD/varcon"
     '';
   
  -  postBuild = ''
  +  postBuild = stdenv.lib.optionalString (singleWordlist == null) ''
       (
       cd scowl/speller
       make aspell
  
positive.code:     )
  
      eval "$postInstall"
    '';
  
    meta = {
  
negative.code: 
    enableParallelBuilding = false;
  
    installPhase = if singleWordlist == null then ''
      eval "$preInstall"
  
      mkdir -p "$out/share/scowl" 
  