### Eclipse Workspace Patch 1.0
#P org.eclipse.pde.core
Index: src/org/eclipse/pde/internal/core/schema/Schema.java
===================================================================
RCS file: /cvsroot/eclipse/org.eclipse.pde.core/src/org/eclipse/pde/internal/core/schema/Schema.java,v
retrieving revision 1.66
diff -u -r1.66 Schema.java
--- src/org/eclipse/pde/internal/core/schema/Schema.java	10 Jul 2007 14:17:51 -0000	1.66
+++ src/org/eclipse/pde/internal/core/schema/Schema.java	13 Jul 2007 22:39:17 -0000
@@ -399,6 +399,8 @@
 	private ISchemaAttribute processAttribute(ISchemaElement element,
 			Node elementNode) {
 		String aname = getAttribute(elementNode, "name"); //$NON-NLS-1$
+		if (aname == null)
+			return null;
 		String atype = getAttribute(elementNode, "type"); //$NON-NLS-1$
 		String ause = getAttribute(elementNode, "use"); //$NON-NLS-1$
 		String avalue = getAttribute(elementNode, "value"); //$NON-NLS-1$
@@ -611,6 +613,8 @@
 
 	private ISchemaElement processElement(ISchemaObject parent, Node elementNode) {
 		String aname = getAttribute(elementNode, "name"); //$NON-NLS-1$
+		if (aname == null)
+			return null;
 		String atype = getAttribute(elementNode, "type"); //$NON-NLS-1$
 		String aref = getAttribute(elementNode, "ref"); //$NON-NLS-1$
 		
@@ -921,6 +925,16 @@
 				String nodeName = child.getNodeName().toLowerCase(Locale.ENGLISH);
 				if (nodeName.equals("element")) { //$NON-NLS-1$
 					ISchemaElement element = processElement(this, child);
+					if (element == null) {
+						fValid = false;
+						return;
+					}
+					ISchemaAttribute[] attributes = element.getAttributes();
+					for (int j = 0; j < attributes.length; j++)
+						if (attributes[j] == null) {
+							fValid = false;
+							return;
+						}
 					fElements.addElement(element);
 				} else if (nodeName.equals("annotation")) { //$NON-NLS-1$
 					processSchemaAnnotation(child);
#P org.eclipse.pde.ui
Index: src/org/eclipse/pde/internal/ui/editor/schema/SchemaAttributeDetails.java
===================================================================
RCS file: /cvsroot/eclipse/org.eclipse.pde.ui/src/org/eclipse/pde/internal/ui/editor/schema/SchemaAttributeDetails.java,v
retrieving revision 1.29
diff -u -r1.29 SchemaAttributeDetails.java
--- src/org/eclipse/pde/internal/ui/editor/schema/SchemaAttributeDetails.java	11 Jul 2007 21:17:42 -0000	1.29
+++ src/org/eclipse/pde/internal/ui/editor/schema/SchemaAttributeDetails.java	13 Jul 2007 22:39:19 -0000
@@ -309,8 +309,12 @@
 			public void textValueChanged(FormEntry entry) {
 				if (blockListeners())
 					return;
-				fAttribute.setName(fName.getValue());
-				setDecription(NLS.bind(PDEUIMessages.SchemaAttributeDetails_description, fAttribute.getName()));
+				if (fName.getValue().length() != 0) {
+					fAttribute.setName(fName.getValue());
+					setDecription(NLS.bind(PDEUIMessages.SchemaAttributeDetails_description, fAttribute.getName()));
+				} else {
+					fName.setValue(fAttribute.getName(), true);
+				}
 			}
 		});
 		fDepTrue.addSelectionListener(new SelectionAdapter() {
Index: src/org/eclipse/pde/internal/ui/editor/schema/SchemaElementDetails.java
===================================================================
RCS file: /cvsroot/eclipse/org.eclipse.pde.ui/src/org/eclipse/pde/internal/ui/editor/schema/SchemaElementDetails.java,v
retrieving revision 1.22
diff -u -r1.22 SchemaElementDetails.java
--- src/org/eclipse/pde/internal/ui/editor/schema/SchemaElementDetails.java	12 Jul 2007 22:11:18 -0000	1.22
+++ src/org/eclipse/pde/internal/ui/editor/schema/SchemaElementDetails.java	13 Jul 2007 22:39:19 -0000
@@ -145,9 +145,13 @@
 			public void textValueChanged(FormEntry entry) {
 				if (blockListeners())
 					return;
-				fElement.setName(fName.getValue());
-				((Schema)fElement.getSchema()).updateReferencesFor(fElement, ISchema.REFRESH_RENAME);
-				setDecription(NLS.bind(PDEUIMessages.SchemaElementDetails_description, fElement.getName()));
+				if (fName.getValue().length() != 0) {
+					fElement.setName(fName.getValue());
+					((Schema)fElement.getSchema()).updateReferencesFor(fElement, ISchema.REFRESH_RENAME);
+					setDecription(NLS.bind(PDEUIMessages.SchemaElementDetails_description, fElement.getName()));
+				} else {
+					fName.setValue(fElement.getName(),true);
+				}
 			}
 		});
 		fDepTrue.addSelectionListener(new SelectionAdapter() {