diff --git a/source/com/intellij/codeInsight/daemon/Validator.java b/source/com/intellij/codeInsight/daemon/Validator.java
new file mode 100644
index 000000000000..1f8cbece2925
--- /dev/null
+++ b/source/com/intellij/codeInsight/daemon/Validator.java
@@ -0,0 +1,14 @@
+package com.intellij.codeInsight.daemon;
+
+import com.intellij.psi.PsiElement;
+
+/**
+ * Created by IntelliJ IDEA.
+ * User: Maxim.Mossienko
+ * Date: Jan 14, 2005
+ * Time: 10:53:20 PM
+ * To change this template use File | Settings | File Templates.
+ */
+public interface Validator {
+  String validate(PsiElement context);
+}
diff --git a/source/com/intellij/codeInsight/daemon/impl/analysis/XmlHighlightVisitor.java b/source/com/intellij/codeInsight/daemon/impl/analysis/XmlHighlightVisitor.java
index 96124a8b368a..da738ee57df6 100644
--- a/source/com/intellij/codeInsight/daemon/impl/analysis/XmlHighlightVisitor.java
+++ b/source/com/intellij/codeInsight/daemon/impl/analysis/XmlHighlightVisitor.java
@@ -1,6 +1,7 @@
 package com.intellij.codeInsight.daemon.impl.analysis;
 
 import com.intellij.codeInsight.daemon.QuickFixProvider;
+import com.intellij.codeInsight.daemon.Validator;
 import com.intellij.codeInsight.daemon.impl.HighlightInfo;
 import com.intellij.codeInsight.daemon.impl.HighlightInfoType;
 import com.intellij.codeInsight.daemon.impl.quickfix.FetchExtResourceAction;
@@ -469,6 +470,11 @@ public class XmlHighlightVisitor extends PsiElementVisitor{
         }
       }
     }
+
+    if (elementDescriptor instanceof Validator) {
+      final String s = ((Validator)elementDescriptor).validate(tag);
+      myResult.add(HighlightInfo.createHighlightInfo(HighlightInfoType.WRONG_REF,tag,s));
+    }
   }
 
   private void checkRootTag(XmlTag tag) {
diff --git a/source/com/intellij/jsp/impl/TldTagDescriptor.java b/source/com/intellij/jsp/impl/TldTagDescriptor.java
index 31af92e4d7ed..b7e5f0b41f71 100644
--- a/source/com/intellij/jsp/impl/TldTagDescriptor.java
+++ b/source/com/intellij/jsp/impl/TldTagDescriptor.java
@@ -12,6 +12,7 @@ import com.intellij.psi.PsiFile;
 import com.intellij.psi.util.PsiTreeUtil;
 import com.intellij.psi.scope.PsiScopeProcessor;
 import com.intellij.j2ee.openapi.impl.ExternalResourceManagerImpl;
+import com.intellij.codeInsight.daemon.Validator;
 
 /**
  * Created by IntelliJ IDEA.
@@ -20,7 +21,7 @@ import com.intellij.j2ee.openapi.impl.ExternalResourceManagerImpl;
  * Time: 8:55:41 PM
  * To change this template use File | Settings | File Templates.
  */
-public class TldTagDescriptor implements XmlElementDescriptor {
+public class TldTagDescriptor implements XmlElementDescriptor,Validator {
   private XmlTag myTag;
   private String myName;
   private XmlAttributeDescriptor[] myAttributeDescriptors;
@@ -144,4 +145,8 @@ public class TldTagDescriptor implements XmlElementDescriptor {
   public Object[] getDependences() {
     return new Object[]{myTag, ExternalResourceManagerImpl.getInstance()};
   }
+
+  public String validate(PsiElement context) {
+    return null;
+  }
 }