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  * Copyright 2002,2004 The Apache Software Foundation.
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * See the License for the specific language governing permissions and
 * limitations under the License.
package org.apache.commons.jelly.tags.core;
A tag which removes the variable of the given name from the current variable scope.

James Strachan
$Revision: 155420 $
public class RemoveTag extends TagSupport {
    private Expression var;
    public RemoveTag() {
    // Tag interface
    public void doTag(XMLOutput outputthrows MissingAttributeException {
        if ( != null) {
            .removeVariable.evaluateAsString() );
        else {
            throw new MissingAttributeException("var");
    // Properties

Sets the name of the variable which will be removed by this tag..
    public void setVar(Expression var) {
        this. = var;
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