Fixed: [ Issue 22 ] Add support for "syntax" element
https://code.google.com/p/protobuf-dt/issues/detail?id=22

Fixed: [ Issue 23 ] Add support for optional semicolon for message elements
https://code.google.com/p/protobuf-dt/issues/detail?id=23

In progress: [ Issue 24 ] Fix qualified names
https://code.google.com/p/protobuf-dt/issues/detail?id=24

com.google.eclipse.protobuf/src/com/google/eclipse/protobuf/Protobuf.xtext

diff --git a/com.google.eclipse.protobuf/src/com/google/eclipse/protobuf/Protobuf.xtext b/com.google.eclipse.protobuf/src/com/google/eclipse/protobuf/Protobuf.xtext
index 30c0022..c359ff3 100644
--- a/com.google.eclipse.protobuf/src/com/google/eclipse/protobuf/Protobuf.xtext
+++ b/com.google.eclipse.protobuf/src/com/google/eclipse/protobuf/Protobuf.xtext
@@ -15,10 +15,14 @@
 generate protobuf "http://www.google.com/eclipse/protobuf/Protobuf"
 
 Protobuf:
+  (syntax=Syntax)?	
   (package=Package)?
   (imports+=Import)*
   (options+=Option)*
   (elements+=ProtobufElement)*;
+
+Syntax:
+  'syntax' '=' name=STRING ';';  
   
 Package:
   'package' name=QualifiedName ';';
@@ -42,7 +46,7 @@
   'message' name=ID '{'
   elements+=MessageElement*
   ('extensions' extensionsFrom=INT 'to' (extensionsTo=INT | 'max') ';')?
-  '}';
+  '}'(';')?;
 
 MessageElement:
   Type | Property;

com.google.eclipse.protobuf/src/com/google/eclipse/protobuf/ProtobufRuntimeModule.java

diff --git a/com.google.eclipse.protobuf/src/com/google/eclipse/protobuf/ProtobufRuntimeModule.java b/com.google.eclipse.protobuf/src/com/google/eclipse/protobuf/ProtobufRuntimeModule.java
index b88f850..1db98a5 100644
--- a/com.google.eclipse.protobuf/src/com/google/eclipse/protobuf/ProtobufRuntimeModule.java
+++ b/com.google.eclipse.protobuf/src/com/google/eclipse/protobuf/ProtobufRuntimeModule.java
@@ -8,9 +8,13 @@
  */
 package com.google.eclipse.protobuf;
 
-import org.eclipse.xtext.scoping.impl.*;
+import org.eclipse.xtext.naming.IQualifiedNameProvider;
+import org.eclipse.xtext.scoping.impl.ImportUriResolver;
+import org.eclipse.xtext.scoping.impl.LoadOnDemandResourceDescriptions;
 
-import com.google.eclipse.protobuf.scoping.*;
+import com.google.eclipse.protobuf.naming.ProtobufQualifiedNameProvider;
+import com.google.eclipse.protobuf.scoping.ResourceDescriptions;
+import com.google.eclipse.protobuf.scoping.SimpleImportUriResolver;
 import com.google.inject.Binder;
 
 /**
@@ -19,9 +23,9 @@
 public class ProtobufRuntimeModule extends com.google.eclipse.protobuf.AbstractProtobufRuntimeModule {
 
   /** {@inheritDoc} */
-//  @Override public Class<? extends IQualifiedNameProvider> bindIQualifiedNameProvider() {
-//    return ProtobufQualifiedNameProvider.class;
-//  }
+  @Override public Class<? extends IQualifiedNameProvider> bindIQualifiedNameProvider() {
+    return ProtobufQualifiedNameProvider.class;
+  }
 
   public void configureImportUriResolver(Binder binder) {
     binder.bind(ImportUriResolver.class).to(SimpleImportUriResolver.class);