anchor.diff: -{ stdenv, intltool, fetchFromGitLab, pkgconfig, gtk3, adwaita-icon-theme
  -, glib, desktop-file-utils, gtk-doc, autoconf, automake, libtool
  -, wrapGAppsHook, gnome3, itstool, libxml2, yelp-tools
  -, docbook_xsl, docbook_xml_dtd_412, gsettings-desktop-schemas
  -, callPackage, unzip, gobject-introspection }:
  +{ stdenv
  +, intltool
  +, fetchFromGitLab
  +, pkgconfig
  +, gtk3
  +, adwaita-icon-theme
  +, glib
  +, desktop-file-utils
  +, gtk-doc
  +, autoconf
  +, automake
  +, libtool
  +, wrapGAppsHook
  +, gnome3
  +, itstool
  +, libxml2
  +, yelp-tools
  +, docbook_xsl
  +, docbook_xml_dtd_412
  +, gsettings-desktop-schemas
  +, callPackage
  +, unzip
  +, gobject-introspection
  +}:
   
   let
     unicode-data = callPackage ./unicode-data.nix {};
  -in stdenv.mkDerivation rec {
  +in
  +stdenv.mkDerivation rec {
     pname = "gucharmap";
     version = "12.0.1";
   
  
positive.code:   };
  
    nativeBuildInputs = [
      pkgconfig wrapGAppsHook unzip intltool itstool
      autoconf automake libtool gtk-doc docbook_xsl docbook_xml_dtd_412
      yelp-tools libxml2 desktop-file-utils gobject-introspection
    ];
  
    buildInputs = [ gtk3 glib gsettings-desktop-schemas adwaita-icon-theme ];
  
    configureFlags = [
      "--with-unicode-data=${unicode-data}"
  
negative.code: 
    meta = with stdenv.lib; {
      description = "GNOME Character Map, based on the Unicode Character Database";
      homepage = "https://wiki.gnome.org/Apps/Gucharmap";
      license = licenses.gpl3;
      maintainers = gnome3.maintainers;
      platforms = platforms.linux;
  