pda->dialog = get_widget_assert (xml, "descriptives-dialog");
pda->source = get_widget_assert (xml, "all-variables");
act->variables = get_widget_assert (xml, "stat-variables");
g_object_set (pda->source,
pda->dialog = get_widget_assert (xml, "descriptives-dialog");
pda->source = get_widget_assert (xml, "all-variables");
act->variables = get_widget_assert (xml, "stat-variables");
g_object_set (pda->source,