anchor.diff:      runHook postCheck
     '';
   
  +  postFixup = ''
  +    # Cannot be in postInstall, otherwise _multioutDocs hook in preFixup will move right back.
  +    moveToOutput "share/doc" "$devdoc"
  +  '';
  +
     passthru = {
       updateScript = gnome.updateScript {
         packageName = pname;
  
positive.code: , pkg-config
  , gobject-introspection
  , vala
  , gtk-doc
  , docbook-xsl-nons
  , docbook_xml_dtd_43
  , glib
  , gsettings-desktop-schemas
  , gtk3
  , enableGlade ? false
  , glade
  , xvfb-run
  , libxml2
  , gdk-pixbuf
  , librsvg
  , hicolor-icon-theme
  
negative.code:   buildInputs = [
      gdk-pixbuf
      gtk3
    ] ++ lib.optionals enableGlade [
      glade
    ];
  