cvs -q diff -u -N editor/
Index: editor/libsrc/org/netbeans/editor/BaseDocumentEvent.java
===================================================================
RCS file: /cvs/editor/libsrc/org/netbeans/editor/BaseDocumentEvent.java,v
retrieving revision 1.24.40.2
diff -u -r1.24.40.2 BaseDocumentEvent.java
--- editor/libsrc/org/netbeans/editor/BaseDocumentEvent.java	8 Sep 2006 14:45:52 -0000	1.24.40.2
+++ editor/libsrc/org/netbeans/editor/BaseDocumentEvent.java	15 Sep 2006 12:33:59 -0000
@@ -43,6 +43,10 @@
 
     private static final boolean debugUndo
             = Boolean.getBoolean("netbeans.debug.editor.document.undo");
+    
+    private static int lastId;
+    
+    private int id;
 
     private DocumentContent.Edit modifyUndoEdit;
     
@@ -97,6 +101,16 @@
 	hasBeenDone2 = true;
 	alive2 = true;
         inProgress2 = true;
+        id = lastId++;
+        System.err.println("CREATED id=" + id + ", type=" + type + ", offset=" + offset + ", length=" + length);
+        if (type == DocumentEvent.EventType.REMOVE) {
+            try {
+                String text = doc.getText(offset, length);
+                if (text.length() < 80) {
+                    System.err.println("    removed text='" + text + "'");
+                }
+            } catch (BadLocationException e) { }
+        }
     }
 
     protected UndoableEdit findEdit(Class editClass) {
@@ -228,6 +242,7 @@
     }
 
     public void undo() throws CannotUndoException {
+        System.err.println("UNDO of id=" + id);
         BaseDocument doc = (BaseDocument)getDocument();
         inUndo = true;
 
@@ -279,13 +294,16 @@
         // End super of undo()
 
         if (previous != null) {
+            System.err.println("    UNDO of id=" + ((BaseDocumentEvent)previous).id + " after this undo ...");
             previous.undo();
         }
 
         inUndo = false;
+        System.err.println("    UNDO of id=" + id + " finished");
     }
 
     public void redo() throws CannotRedoException {
+        System.err.println("REDO of id=" + id);
         BaseDocument doc = (BaseDocument)getDocument();
         boolean notifyMod;
         try {
@@ -296,6 +314,7 @@
 
         inRedo = true;
         if (previous != null) {
+            System.err.println("    REDO of id=" + ((BaseDocumentEvent)previous).id + " before this redo ...");
             previous.redo();
         }
 
@@ -339,6 +358,7 @@
         // End super of redo()
 
         inRedo = false;
+        System.err.println("    REDO of id=" + id + " finished");
     }
 
     public boolean addEdit(UndoableEdit anEdit) {