Modified GtkBuilder schemas to include <binding>

gtk/gtkbuilder.rnc

@@ -13,7 +13,7 @@ object = element object {
   attribute class { text },
   attribute type-func { text } ?,
   attribute constructor { text } ?,
-  (property | signal | child | ANY) *
+  (property | signal | binding | child | ANY) *
 }
 
 property = element property {
@@ -34,6 +34,12 @@ signal = element signal {
   empty
 }
 
+binding = element binding {
+  attribute to { text },
+  attribute from { text },
+  attribute source { text }
+}
+
 child = element child {
   attribute type { text } ?,
   attribute internal-child { text } ?,

gtk/gtkbuilder.rng

@@ -48,6 +48,7 @@
         <choice>
           <ref name="property"/>
           <ref name="signal"/>
+          <ref name="binding"/>
           <ref name="child"/>
           <ref name="ANY"/>
         </choice>
@@ -113,6 +114,20 @@
       <empty/>
     </element>
   </define>
+  <define name="binding">
+    <element name="binding">
+      <attribute name="to">
+        <text/>
+      </attribute>
+      <attribute name="from">
+        <text/>
+      </attribute>
+      <attribute name="source">
+        <text/>
+      </attribute>
+      <empty/>
+    </element>
+  </define>
   <define name="child">
     <element name="child">
       <optional>