# File src/demos/gtk_demo_plugins/diskfree/DfUi.rb, line 9
  def make_label(str, open_tags = "", close_tags = "")
    xpad = 10
    xalign = 0.0
    label = Gtk::Label.new
    label.set_markup(open_tags + str + close_tags)
    label.xalign = xalign
    label.xpad = xpad
    label
  end