anchor.diff:          args="$args --read-interface=$name_version,$hdfile"
       done
   
  -    ${ghc}/bin/haddock --gen-index --gen-contents -o . \
  +    ${ghc}/bin/${haddockExe} --gen-index --gen-contents -o . \
            -t "Haskell Hierarchical Libraries" \
  -         -p ${ghc}/share/doc/ghc*/html/libraries/prologue.txt \
  +         -p ${prologue} \
            $args
   
       echo finishing up
  
positive.code: # This will build mmorph and monadControl, and have the hoogle installation
  # refer to their documentation via symlink so they are not garbage collected.
  
  { lib, stdenv, hoogle, rehoo
  , ghc, packages ? [ ghc.ghc ]
  }:
  
  let
    inherit (stdenv.lib) optional;
    wrapper = ./hoogle-local-wrapper.sh;
  in
  stdenv.mkDerivation {
    name = "hoogle-local-0.1";
  
negative.code:     echo importing other packages
      for i in $docPackages; do
        if [[ ! $i == $out ]]; then
          for docdir in $i/share/doc/*-${ghcName}-*/* $i/share/doc/*; do
            name=`basename $docdir`
            docdir=$docdir/html
            if [[ -d $docdir ]]; then
  