[gtk-doc] mkdb: add support for "closure" annotation

[Stefan Kost <stefkost src gnome org>]

commit 0f823987820f1b15a07b2464149c9221b360033a
Author: Stefan Kost <ensonic users sf net>
Date:   Wed Oct 20 12:00:25 2010 +0300

    mkdb: add support for "closure" annotation
    
    Fixes #632587.

 gtkdoc-mkdb.in |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/gtkdoc-mkdb.in b/gtkdoc-mkdb.in
index 2b23215..f9e4b9d 100755
--- a/gtkdoc-mkdb.in
+++ b/gtkdoc-mkdb.in
@@ -302,6 +302,7 @@ my %AnnotationsUsed;
 my %AnnotationDefinition = (
     'allow-none' => "NULL is ok, both for passing and for returning.",
     'array' => "Parameter points to an array of items.",
+    'closure' => "This parameter is a 'user_data', for callbacks; many bindings can pass NULL here.",
     'default' => "Default parameter value (for in case the <acronym>shadows</acronym>-to function has less parameters).",
     'element-type' => "Generics and defining elements of containers and arrays.",
     'error-domains' => "Typed errors. Similar to throws in Java.",