Bug 316371 - [ModelTooling] ModelEditor should be multipart editors which allows to edit xml or via UI
diff --git a/examples/org.eclipse.e4.demo.tools.simpleide/src/org/eclipse/e4/demo/tools/simpleide/EditorPartDescriptorEditor.java b/examples/org.eclipse.e4.demo.tools.simpleide/src/org/eclipse/e4/demo/tools/simpleide/EditorPartDescriptorEditor.java
index b34516b..a07c039 100644
--- a/examples/org.eclipse.e4.demo.tools.simpleide/src/org/eclipse/e4/demo/tools/simpleide/EditorPartDescriptorEditor.java
+++ b/examples/org.eclipse.e4.demo.tools.simpleide/src/org/eclipse/e4/demo/tools/simpleide/EditorPartDescriptorEditor.java
@@ -1,5 +1,7 @@
 package org.eclipse.e4.demo.tools.simpleide;
 
+import org.eclipse.e4.core.di.annotations.Optional;
+
 import org.eclipse.e4.tools.emf.ui.internal.Messages;
 
 import javax.inject.Inject;
@@ -37,6 +39,7 @@
 	private EMFDataBindingContext context;
 	
 	@Inject
+	@Optional
 	private IProject project;
 	
 	@Inject