Bug 452028 - Extention points expects at least one editor tab
diff --git a/bundles/org.eclipse.e4.tools.emf.ui/schema/org.eclipse.e4.tools.emf.ui.editors.exsd b/bundles/org.eclipse.e4.tools.emf.ui/schema/org.eclipse.e4.tools.emf.ui.editors.exsd
index df0055b..c6127d9 100644
--- a/bundles/org.eclipse.e4.tools.emf.ui/schema/org.eclipse.e4.tools.emf.ui.editors.exsd
+++ b/bundles/org.eclipse.e4.tools.emf.ui/schema/org.eclipse.e4.tools.emf.ui.editors.exsd
@@ -30,7 +30,7 @@
<element ref="virtualeditor" minOccurs="0" maxOccurs="unbounded"/>
<element ref="editorfeature" minOccurs="0" maxOccurs="unbounded"/>
<element ref="contributionClassCreator" minOccurs="0" maxOccurs="unbounded"/>
- <element ref="editorTab" minOccurs="1" maxOccurs="unbounded"/>
+ <element ref="editorTab" minOccurs="0" maxOccurs="unbounded"/>
</sequence>
<attribute name="point" type="string" use="required">
<annotation>