anchor.diff:  #
   #  libvisio = callPackage ../development/libraries/libvisio { };
   #
  -#  libvisual = callPackage ../development/libraries/libvisual { };
  +  libvisual = callPackage ../development/libraries/libvisual { };
   #
   #  libvncserver = callPackage ../development/libraries/libvncserver {};
   #
  
positive.code: #
  #  libevhtp = callPackage ../development/libraries/libevhtp { };
  #
  #  liboauth = callPackage ../development/libraries/liboauth { };
  #
  #  libsrs2 = callPackage ../development/libraries/libsrs2 { };
  #
  
negative.code: #
  #  tokyotyrant = callPackage ../development/libraries/tokyo-tyrant { };
  #
    tremor = callPackage ../development/libraries/tremor { };
  
    uid_wrapper = callPackage ../development/libraries/uid_wrapper { };
  #
  #  unibilium = callPackage ../development/libraries/unibilium { };
  #
  