anchor.diff:  
       homepage = http://www.gnu.org/software/mit-scheme/;
   
  -    license = stdenv.lib.licenses.gpl2Plus;
  +    license = licenses.gpl2Plus;
   
  -    maintainers = [ stdenv.lib.maintainers.ludo ];
  +    maintainers = with maintainers; [ ludo ];
   
       # Build fails on Cygwin and Darwin:
       # <http://article.gmane.org/gmane.lisp.scheme.mit-scheme.devel/489>.
  -    platforms = stdenv.lib.platforms.gnu ++ stdenv.lib.platforms.freebsd;
  -
  -    broken = true;
  +    platforms = platforms.gnu ++ platforms.freebsd;
     };
   }
  
positive.code:   # XXX: The `check' target doesn't exist.
    doCheck = false;
  
    meta = {
      description = "MIT/GNU Scheme, a native code Scheme compiler";
  
      longDescription =
  
negative.code: { fetchurl, stdenv, makeWrapper, gnum4, texinfo, texLive, automake }:
  
  let
    version = "9.2";
    bootstrapFromC = ! (stdenv.isi686 || stdenv.isx86_64);
  
    arch = if      stdenv.isi686   then "-i386"
  