[gtkmm] Application: Add comments about the strange add/set accel methods.

[Murray Cumming <murrayc src gnome org>]

commit 77224c326e2fc178dec1cdbeae02c43d8bb10d75
Author: Murray Cumming <murrayc murrayc com>
Date:   Tue Apr 1 13:17:03 2014 +0200

    Application: Add comments about the strange add/set accel methods.

 gtk/src/application.hg |    6 ++++--
 1 files changed, 4 insertions(+), 2 deletions(-)
---
diff --git a/gtk/src/application.hg b/gtk/src/application.hg
index f1f17fd..25f7f38 100644
--- a/gtk/src/application.hg
+++ b/gtk/src/application.hg
@@ -1,4 +1,4 @@
-/* Copyright (C) 2003 The gtkmm Development Team
+/* Copyright (C) 2003-2014 The gtkmm Development Team
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
@@ -324,11 +324,13 @@ public:
   _WRAP_METHOD(std::vector<Glib::ustring> get_accels_for_action(const Glib::ustring& detailed_action_name) 
const, gtk_application_get_accels_for_action)
 
 #m4 _CONVERSION(`const std::vector<Glib::ustring>&',`const 
gchar*-const*',`Glib::ArrayHandler<Glib::ustring>::vector_to_array($3).data ()')
-  _WRAP_METHOD(void set_accels_for_action(const Glib::ustring& detailed_action_name, const 
std::vector<Glib::ustring>& ccels), gtk_application_set_accels_for_action)
+  _WRAP_METHOD(void set_accels_for_action(const Glib::ustring& detailed_action_name, const 
std::vector<Glib::ustring>& accels), gtk_application_set_accels_for_action)
 
   //TODO: Add unset_accels_for_action().
   //See https://bugzilla.gnome.org/show_bug.cgi?id=726623
 
+  //Note: add_accelerator() is very similar to this, though it doesn't take the detailed action name.
+  //Hopefully it will be deprecated: https://bugzilla.gnome.org/show_bug.cgi?id=708905#c5
   /** Sets a keyboard accelerator that will trigger the
    * given action. It will be the primary 
    * accelerator, which may be displayed in the UI.