[gtk-web] Add a note about introspection

[Matthias Clasen <matthiasc src gnome org>]

commit d944ad8cddccd2cb00c574ed119d1bdf0b8b9e47
Author: Matthias Clasen <mclasen redhat com>
Date:   Tue Mar 23 11:44:26 2010 -0400

    Add a note about introspection

 release-notes.txt |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)
---
diff --git a/release-notes.txt b/release-notes.txt
index 7259b6a..7d8c392 100644
--- a/release-notes.txt
+++ b/release-notes.txt
@@ -12,6 +12,10 @@ Release notes for 2.20
   attribute of the <object>. Use gtk_buildable_get_name() instead of
   gtk_widget_get_name() to obtain the ID.
 
+* GTK+ now includes introspection data, as a consequence, it gained a
+  dependency on gobject-introspection. It is possible to build without
+  introspection by passing --disable-introspection to configure.
+
 Release notes for 2.18
 ======================