untabified

1 files changed, 10 insertions, 10 deletions

diff --git a/docs/teaching/exercises/answers/Answer2c.java b/docs/teaching/exercises/answers/Answer2c.java
index 6dbd7fa90..27fa744b1 100644
--- a/docs/teaching/exercises/answers/Answer2c.java
+++ b/docs/teaching/exercises/answers/Answer2c.java
@@ -1,13 +1,13 @@
 /* *******************************************************************
  * Copyright (c) 2002 Palo Alto Research Center, Incorporated (PARC).
- * All rights reserved. 
- * This program and the accompanying materials are made available 
- * under the terms of the Common Public License v1.0 
- * which accompanies this distribution and is available at 
- * http://www.eclipse.org/legal/cpl-v10.html 
- *  
- * Contributors: 
- *     PARC     initial implementation 
+ * All rights reserved.
+ * This program and the accompanying materials are made available
+ * under the terms of the Common Public License v1.0
+ * which accompanies this distribution and is available at
+ * http://www.eclipse.org/legal/cpl-v10.html
+ *
+ * Contributors:
+ *     PARC     initial implementation
  * ******************************************************************/
 
 package answers;
@@ -20,10 +20,10 @@ public aspect Answer2c {
             call(void Group.add(FigureElement))
             && args(newValue)
             && target(g) {
-	if (newValue == null) {
+        if (newValue == null) {
             throw new IllegalArgumentException("null not allowed");
         }
-	if (newValue == g) {
+        if (newValue == g) {
             throw new IllegalArgumentException("self not allowed");
         }