[gtk-doc] mkdb: add comment pointing to where annotations are defined

[Stefan Kost <stefkost src gnome org>]

commit bc311575bfe254af57e8de0c78614b0743f37d1a
Author: Stefan Kost <ensonic users sf net>
Date:   Thu Jul 15 10:07:15 2010 +0300

    mkdb: add comment pointing to where annotations are defined

 gtkdoc-mkdb.in |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/gtkdoc-mkdb.in b/gtkdoc-mkdb.in
index ed27802..a26f716 100755
--- a/gtkdoc-mkdb.in
+++ b/gtkdoc-mkdb.in
@@ -296,6 +296,8 @@ $PreProcessorDirectives{"warning"} = 1;
 # remember used annotation (to write minimal glossary)
 my %AnnotationsUsed;
 
+# the annotations are defined at:
+# http://live.gnome.org/GObjectIntrospection/Annotations
 my %AnnotationDefinition = (
     'allow-none' => "NULL is ok, both for passing and for returning.",
     'array' => "Parameter points to an array of items.",