anchor.diff:      exempi
       gsettings-desktop-schemas
       shared-mime-info
  -    adwaita-icon-theme
     ];
   
  -  postPatch = ''
  -    chmod +x meson_post_install.py
  -    patchShebangs meson_post_install.py
  -  '';
  +  mesonFlags = [
  +    "-Dgtk_doc=true"
  +  ];
   
     preFixup = ''
       gappsWrapperArgs+=(
  
positive.code: { lib, stdenv
  , fetchurl
  , fetchpatch
  , meson
  , ninja
  , gettext
  
negative.code: , libportal-gtk3
  , gnome
  , gtk3
  , libhandy
  , glib
  , gsettings-desktop-schemas
  , gnome-desktop
  , lcms2
  , gdk-pixbuf
  