anchor.diff:    # Won't compile with recent versions of QuickCheck.
     inilist = dontCheck super.inilist;
   
  -  # Doesn't accept recent versions of 'base' or QuickCheck.
  -  MissingH = dontCheck (doJailbreak super.MissingH);
  -
     # https://github.com/yaccz/saturnin/issues/3
     Saturnin = dontCheck super.Saturnin;
   
  
positive.code: 
    # Needs QuickCheck <2.10, which we don't have.
    edit-distance = doJailbreak super.edit-distance;
    blaze-markup = doJailbreak super.blaze-markup;
    blaze-html = doJailbreak super.blaze-html;
    attoparsec = dontCheck super.attoparsec;      # 1 out of 67 tests fails
    int-cast = doJailbreak super.int-cast;
  
negative.code:       done
      '';
    });
  
    # https://github.com/erikd/hjsmin/issues/32
    hjsmin = dontCheck super.hjsmin;
  