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The tepl_info_bar_set_buttons_orientation() now takes a GtkInfoBar parameter, not a TeplInfoBar.
          The tepl_info_bar_add_close_button() function has been
          renamed to
          tepl_info_bar_setup_close_button().
        
          The tepl_info_bar_add_icon() function has been replaced by
          tepl_info_bar_set_icon_from_message_type().
        
          A location parameter has been added to the
          tepl_info_bar_add_content_widget()
          function.