[gtkmm] ComboBoxText: Constructor: Add a TODO comment.

[Kjell Ahlstedt <kjellahl src gnome org>]

commit b423e9d2bb50b22047062cbcc6ba98327ee390ea
Author: Kjell Ahlstedt <kjell ahlstedt bredband net>
Date:   Wed Jan 4 13:43:44 2012 +0100

    ComboBoxText: Constructor: Add a TODO comment.
    
    * gtk/src/comboboxtext.ccg: Add a comment that entry-text-column and id-column
    are set properly in new GTK+ versions. Bug #653579

 ChangeLog                |    7 +++++++
 gtk/src/comboboxtext.ccg |    5 +++++
 2 files changed, 12 insertions(+), 0 deletions(-)
---
diff --git a/ChangeLog b/ChangeLog
index 89452ac..6ac980f 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+2012-01-04  Kjell Ahlstedt  <kjell ahlstedt bredband net>
+
+	ComboBoxText: Constructor: Add a TODO comment.
+
+	* gtk/src/comboboxtext.ccg: Add a comment that entry-text-column and id-column
+	are set properly in new GTK+ versions. Bug #653579
+
 2011-12-24  Hub FiguiÃre  <hub figuiere net>
 
 	Implement Gtk::IconView::IconView(Gtk::CellArea). Bug #665361
diff --git a/gtk/src/comboboxtext.ccg b/gtk/src/comboboxtext.ccg
index f5a19b9..111c16a 100644
--- a/gtk/src/comboboxtext.ccg
+++ b/gtk/src/comboboxtext.ccg
@@ -24,6 +24,11 @@ namespace Gtk
 
 ComboBoxText::ComboBoxText(bool has_entry)
 :
+  //TODO The settings of entry-text-column and id-column can be removed,
+  //when old versions of GTK+ (before 2011-12-30) need not be supported.
+  //These properties are now set in gtk_combo_box_text_constructor().
+  //See bug 612396 (gtk+) and 653579 (gtkmm).
+
   //The entry-text-column and id-column values are copied from gtk_combo_box_text_new():
   _CONSTRUCT("has-entry", gboolean(has_entry), "entry-text-column", 0, "id-column", 1)
 {}