anchor.diff:      done
     '';
   
  -  configureFlags = [ "--disable-documentation" "--with-ncsb-dir=${urwfonts}"];
  +  configureFlags = [
  +    "--disable-documentation"
  +    "--with-ncsb-dir=${ghostscript}/share/ghostscript/fonts"
  +  ];
   
     preConfigure = ''
       sed -e "s@mem=mf2pt1@mem=$PWD/mf/mf2pt1@" -i scripts/build/mf2pt1.pl
  
positive.code:     description = "Music typesetting system";
      homepage = http://lilypond.org/;
      license = licenses.gpl3;
      maintainers = [ maintainers.marcweber ];
      platforms = platforms.all;
    };
  
  
negative.code: { stdenv, fetchgit, ghostscript, texinfo, imagemagick, texi2html, guile
  , python2, gettext, flex, perl, bison, pkgconfig, autoreconfHook, dblatex
  , fontconfig, freetype, pango, fontforge, help2man, zip, netpbm, groff
  , makeWrapper, t1utils
  , texlive, tex ? texlive.combine {
      inherit (texlive) scheme-small lh metafont epsf;
    }
  }:
  
  let
  
    version = "2.18.2";
  
  in
  
  stdenv.mkDerivation {
    pname = "lilypond";
    inherit version;
  
    src = fetchgit {
      url = "https://git.savannah.gnu.org/r/lilypond.git";
      rev = "release/${version}-1";
      sha256 = "0fk045fmmb6fcv7jdvkbqr04qlwnxzwclr2gzx3gja714xy6a76x";
    };
  
    postInstall = ''
  