Gtk::UIManager aborting program execution

[Miguel Angel Polo <miguel polo telefonica net>]

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Hi all (again)

I have spent some time changing my application interface, to start using
Gtk::UIManager (really cool and nice feature, very comfortable).

Inside a sample class' (derived from Gtk::Window) ctor I have this piece
of code (almost the same code from gtkmm manual):

- 
-------------------------------------------------------------------------------------------
~  m_refActionGroup = Gtk::ActionGroup::create();

~  // File Menu
~  m_refActionGroup->add(Gtk::Action::create("FileMenu","_File"));
~  m_refActionGroup->add(Gtk::Action::create("FileNew",Gtk::Stock::NEW),
~      sigc::mem_fun(*this,&LSDWindow::on_action_file_new));
~  m_refActionGroup->add(Gtk::Action::create("FileOpen",Gtk::Stock::OPEN),
~     sigc::mem_fun(*this,&LSDWindow::on_action_file_open));
~  m_refActionGroup->add(Gtk::Action::create("FileSave",Gtk::Stock::SAVE),
~     sigc::mem_fun(*this,&LSDWindow::on_action_file_save));

m_refActionGroup->add(Gtk::Action::create("FileSaveAs",Gtk::Stock::SAVE_AS),
~     sigc::mem_fun(*this,&LSDWindow::on_action_file_saveas));
~  m_refActionGroup->add(Gtk::Action::create("FileQuit",Gtk::Stock::QUIT),
~     sigc::mem_fun(*this,&LSDWindow::on_action_file_quit));

~  // Help Menu
~  m_refActionGroup->add(Gtk::Action::create("HelpMenu",Gtk::Stock::HELP));
~  m_refActionGroup->add(Gtk::Action::create("HelpAbout","_About"),		
~  sigc::mem_fun(*this,&LSDWindow::on_action_help_about));

~  m_refUIManager = Gtk::UIManager::create();
~  m_refUIManager->insert_action_group(m_refActionGroup);

~  Glib::ustring ui_info =
	"<ui>"
	  "<menubar name='MenuBar'>"
	    "<menu action='FileMenu'>"
	      "<menuitem action='FileNew'/>"
	      "<menuitem action='FileOpen'/>"
	      "<menuitem action='FileSave'/>"
	      "<menuitem action='FileSaveAs'/>"
~              "<separator/>"
	      "<menuitem action='FileQuit'/>"
	    "</menu>"
	    "<menu action='HelpMenu'>"
	      "<menuitem action='HelpAbout'/>"
	    "</menu>"
	  "</menubar>"
	  "<toolbar name='ToolBar'>"
	    "<toolitem action='FileNew'/>'"
	    "<toolitem action='FileOpen'/>"
	    "<toolitem action='FileSave'/>"
	    "<toolitem action='FileSaveAs'/>"
	    "<separator/>"
	    "<toolitem action='FileQuit'/>"
	    "<separator/>"
	    "<toolitem action='HelpAbout'/>"
	  "</toolbar>"
	"</ui>";
~  try
~    {
~      m_refUIManager->add_ui_from_string(ui_info);
~    }
~  catch(Glib::Error& e)
~    {
~      std::cerr << e.what() << std::endl;
~    }
- 
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but add_ui_from_string() aborts execution ("Aborted" is all the feedback
I get).

I have even tried using add_ui_from_file, using an XML file with the
code above, with same results.

I just want to enjoy UIManager, some help will be appreciated.

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