diff --git a/src/net/sourceforge/schemaspy/model/xml/ForeignKeyMeta.java b/src/net/sourceforge/schemaspy/model/xml/ForeignKeyMeta.java
index 63f487c..c9b0257 100644
--- a/src/net/sourceforge/schemaspy/model/xml/ForeignKeyMeta.java
+++ b/src/net/sourceforge/schemaspy/model/xml/ForeignKeyMeta.java
@@ -13,10 +13,27 @@ public class ForeignKeyMeta {
     
     ForeignKeyMeta(Node foreignKeyNode) {
         NamedNodeMap attribs = foreignKeyNode.getAttributes();
+        Node node = attribs.getNamedItem("table");
+        if (node == null)
+            throw new IllegalStateException("XML foreignKey definition requires 'table' attribute");
+        tableName = node.getNodeValue();
+        attribs.removeNamedItem("table");
+        node = attribs.getNamedItem("column");
+        if (node == null)
+            throw new IllegalStateException("XML foreignKey definition requires 'column' attribute");
+        columnName = node.getNodeValue();
+        attribs.removeNamedItem("column");
+        node = attribs.getNamedItem("remoteSchema");
+        if (node != null) {
+            remoteSchema = node.getNodeValue();
+            attribs.removeNamedItem("remoteSchema");
+        } else {
+            remoteSchema = null;
+        }
         
-        tableName = attribs.getNamedItem("table").getNodeValue();
-        columnName = attribs.getNamedItem("column").getNodeValue();
-        remoteSchema = attribs.getNamedItem("remoteSchema") == null ? null : attribs.getNamedItem("remoteSchema").getNodeValue();
+        for (int i = 0; i < attribs.getLength(); ++i) {
+            System.err.println("Unrecognized attribute '" + attribs.item(i).getNodeName() + "' in XML definition of foreignKey");
+        }
     }
     
     public String getTableName() {
diff --git a/src/net/sourceforge/schemaspy/model/xml/TableColumnMeta.java b/src/net/sourceforge/schemaspy/model/xml/TableColumnMeta.java
index af6190b..fa39a50 100644
--- a/src/net/sourceforge/schemaspy/model/xml/TableColumnMeta.java
+++ b/src/net/sourceforge/schemaspy/model/xml/TableColumnMeta.java
@@ -24,16 +24,23 @@ public class TableColumnMeta {
         String tmp;
         
         name = attribs.getNamedItem("name").getNodeValue();
+        attribs.removeNamedItem("name");
         Node node = attribs.getNamedItem("comments");
         if (node != null) {
             tmp = node.getNodeValue().trim();
             comments = tmp.length() == 0 ? null : tmp;
+            attribs.removeNamedItem("comments");
         } else {
             comments = null;
         }
         
         node = attribs.getNamedItem("primaryKey");
-        isPrimary = node != null && evalBoolean(node.getNodeValue());
+        if (node != null) {
+            isPrimary = evalBoolean(node.getNodeValue());
+            attribs.removeNamedItem("primaryKey");
+        } else {
+            isPrimary = false;
+        }
 
         node = attribs.getNamedItem("disableImpliedKeys");
         if (node != null) {
@@ -51,12 +58,19 @@ public class TableColumnMeta {
                 System.err.println("  Valid values include 'to', 'from' and 'all'");
                 isImpliedChildrenDisabled = isImpliedParentsDisabled = false;
             }
+            
+            attribs.removeNamedItem("disableImpliedKeys");
         } else {
             isImpliedChildrenDisabled = isImpliedParentsDisabled = false;
         }
 
         node = attribs.getNamedItem("disableDiagramAssociations");
-        isExcluded = node != null && evalBoolean(node.getNodeValue());
+        if (node != null) {
+            isExcluded = evalBoolean(node.getNodeValue());
+            attribs.removeNamedItem("disableDiagramAssociations");
+        } else {
+            isExcluded = false;
+        }
         
         NodeList fkNodes = ((Element)colNode.getChildNodes()).getElementsByTagName("foreignKey");
         
@@ -64,6 +78,10 @@ public class TableColumnMeta {
             Node fkNode = fkNodes.item(i);
             foreignKeys.add(new ForeignKeyMeta(fkNode));
         }
+        
+        for (int i = 0; i < attribs.getLength(); ++i) {
+            System.err.println("Unrecognized attribute '" + attribs.item(i).getNodeName() + "' in XML definition of column '" + name + '\'');
+        }
     }
     
     private boolean evalBoolean(String exp) {
diff --git a/src/net/sourceforge/schemaspy/model/xml/TableMeta.java b/src/net/sourceforge/schemaspy/model/xml/TableMeta.java
index 182bfac..10cbdbf 100644
--- a/src/net/sourceforge/schemaspy/model/xml/TableMeta.java
+++ b/src/net/sourceforge/schemaspy/model/xml/TableMeta.java
@@ -20,15 +20,24 @@ public class TableMeta {
         NamedNodeMap attribs = tableNode.getAttributes();
         
         name = attribs.getNamedItem("name").getNodeValue();
+        attribs.removeNamedItem("name");
+        
         Node commentNode = attribs.getNamedItem("comments");
         if (commentNode != null) {
             String tmp = commentNode.getNodeValue().trim();
             comments = tmp.length() == 0 ? null : tmp;
+            attribs.removeNamedItem("comments");
         } else {
             comments = null;
         }
+        
         Node remoteSchemaNode = attribs.getNamedItem("remoteSchema");
-        remoteSchema = remoteSchemaNode == null ? null : remoteSchemaNode.getNodeValue().trim();
+        if (remoteSchemaNode != null) {
+            attribs.removeNamedItem("remoteSchema");
+            remoteSchema = remoteSchemaNode.getNodeValue().trim();
+        } else {
+            remoteSchema = null;
+        }
         
         NodeList columnNodes = ((Element)tableNode.getChildNodes()).getElementsByTagName("column");
         
@@ -36,6 +45,10 @@ public class TableMeta {
             Node colNode = columnNodes.item(i);
             columns.add(new TableColumnMeta(colNode));
         }
+        
+        for (int i = 0; i < attribs.getLength(); ++i) {
+            System.err.println("Unrecognized attribute '" + attribs.item(i).getNodeName() + "' in XML definition of table '" + name + '\'');
+        }
     }
     
     public String getName() {