anchor.diff:      };
     };
   
  -  meta = with stdenv.lib; {
  +  meta = with lib; {
       description = "GNU software calculator";
       homepage = http://www.gnu.org/software/bc/;
       license = with licenses; [
  
positive.code:     touch doc doc/*
    '';
  
    doCheck =true;
  
    passthru = {
      srcVerification = fetchurl {
  
negative.code: , ed
  , fetchurl
  , flex
  , lib
  
  , ncurses
  , readline
  