It appears that something becomes corrupted in Gtk::TextBuffer. This is
what is printed when the code below is executed.

notebuffer.cpp:
  NoteBuffer::NoteBuffer(const NoteTagTable::Ptr & tags, Note & note)
    : Gtk::TextBuffer(tags)
    , m_undomanager(NULL)
    , m_note(note)
  {
    DBG_OUT("rtg: notebuffer.cpp:53: NoteBuffer::NoteBuffer()");
    ...

called from notebuffer.hpp
  static Ptr create(const NoteTagTable::Ptr & table, Note & note)
    {
      DBG_OUT("rtg: notebuffer.hpp:59");
      return Ptr(new NoteBuffer(table, note));
    }

-1208190384) DEBUG: create - rtg: notebuffer.hpp:59
(gnote:3013): GLib-GObject-WARNING **: cannot register existing type 
`gtkmm__GtkTextBuffer'
(gnote:3013): GLib-GObject-WARNING **: cannot retrieve class for invalid 
(unclassed) type `<invalid>'
(gnote:3013): GLib-GObject-CRITICAL **: g_object_class_find_property: assertion 
`G_IS_OBJECT_CLASS (class)' failed
(gnote:3013): glibmm-WARNING **: Glib::ConstructParams::ConstructParams(): 
object class "(null)" has no property named "tag_table"
(gnote:3013): GLib-GObject-CRITICAL **: g_type_class_unref: assertion `g_class 
!= NULL' failed
(gnote:3013): GLib-GObject-CRITICAL **: g_object_newv: assertion 
`G_TYPE_IS_OBJECT (object_type)' failed
(-1208190384) DEBUG: NoteBuffer - rtg: notebuffer.cpp:53: 
NoteBuffer::NoteBuffer()

-- 
[lucid] gnote crash on note opening
https://bugs.launchpad.net/bugs/521434
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