lisp/toolbar/README

   1 The following icons are from GTK+ 2.x:
   2
   3     close.xpm copy.xpm cut.xpm help.xpm home.xpm
   4     index.xpm jump_to.xpm left_arrow.xpm new.xpm open.xpm
   5     paste.xpm preferences.xpm print.xpm right_arrow.xpm save.xpm
   6     saveas.xpm search.xpm spell.xpm undo.xpm up_arrow.xpm
   7
   8     back_arrow.xpm and fwd_arrow.xpm are slightly modified undo and redo.
   9
  10     diropen.xpm is file-manager.png from Gnome hicolor theme.
  11
  12 They are not part of Emacs, but distributed and used by Emacs.