anchor.diff:  
     mesonFlags = [
       "-Dgtk_doc=true"
  +    "-Dglade_catalog=${if enableGlade then "enabled" else "disabled"}"
     ];
   
     # Uses define_variable in pkg-config, but we still need it to use the glade output
  
positive.code: 
    buildInputs = [
      gdk-pixbuf
      glade
      gtk3
      libxml2
    ];
  
    checkInputs = [
  
negative.code: , docbook-xsl-nons
  , docbook_xml_dtd_43
  , gtk3
  , enableGlade ? false
  , glade
  , dbus
  , xvfb_run
  