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diff --git a/src/main/java/com/lowagie/tools/arguments/BitsetArgument.java b/src/main/java/com/lowagie/tools/arguments/BitsetArgument.java
new file mode 100644
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+++ b/src/main/java/com/lowagie/tools/arguments/BitsetArgument.java
@@ -0,0 +1,136 @@
+/*
+ * $Id: BitsetArgument.java,v 1.5 2006/05/30 09:13:00 blowagie Exp $
+ * $Name:  $
+ *
+ * Copyright 2005 by Bruno Lowagie.
+ *
+ * The contents of this file are subject to the Mozilla Public License Version 1.1
+ * (the "License"); you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the License.
+ *
+ * The Original Code is 'iText, a free JAVA-PDF library'.
+ *
+ * The Initial Developer of the Original Code is Bruno Lowagie. Portions created by
+ * the Initial Developer are Copyright (C) 1999, 2000, 2001, 2002 by Bruno Lowagie.
+ * All Rights Reserved.
+ * Co-Developer of the code is Paulo Soares. Portions created by the Co-Developer
+ * are Copyright (C) 2000, 2001, 2002 by Paulo Soares. All Rights Reserved.
+ *
+ * Contributor(s): all the names of the contributors are added in the source code
+ * where applicable.
+ *
+ * Alternatively, the contents of this file may be used under the terms of the
+ * LGPL license (the "GNU LIBRARY GENERAL PUBLIC LICENSE"), in which case the
+ * provisions of LGPL are applicable instead of those above.  If you wish to
+ * allow use of your version of this file only under the terms of the LGPL
+ * License and not to allow others to use your version of this file under
+ * the MPL, indicate your decision by deleting the provisions above and
+ * replace them with the notice and other provisions required by the LGPL.
+ * If you do not delete the provisions above, a recipient may use your version
+ * of this file under either the MPL or the GNU LIBRARY GENERAL PUBLIC LICENSE.
+ *
+ * This library is free software; you can redistribute it and/or modify it
+ * under the terms of the MPL as stated above or under the terms of the GNU
+ * Library General Public License as published by the Free Software Foundation;
+ * either version 2 of the License, or any later version.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+ * FOR A PARTICULAR PURPOSE. See the GNU Library general Public License for more
+ * details.
+ *
+ * If you didn't download this code from the following link, you should check if
+ * you aren't using an obsolete version:
+ * http://www.lowagie.com/iText/
+ */
+package com.lowagie.tools.arguments;
+
+import java.awt.event.ActionEvent;
+
+import javax.swing.JCheckBox;
+import javax.swing.JOptionPane;
+
+import com.lowagie.tools.plugins.AbstractTool;
+
+/**
+ * Argument that results in a set of "1" and "0" values.
+ */
+public class BitsetArgument extends ToolArgument {
+	/** These are the different options that can be true or false. */
+	private JCheckBox[] options;
+
+	/**
+	 * Constructs an BitsetArgument.
+	 * @param tool the tool that needs this argument
+	 * @param name the name of the argument
+	 * @param description the description of the argument
+	 * @param options the different options that can be true or false
+	 */
+	public BitsetArgument(AbstractTool tool, String name, String description, String[] options) {
+		super(tool, name, description, String.class.getName());
+		this.options = new JCheckBox[options.length];
+		for (int i = 0; i < options.length; i++) {
+			this.options[i] = new JCheckBox(options[i]);
+		}
+	}
+
+	/**
+	 * Gets the argument as an object.
+	 * @return an object
+	 * @throws InstantiationException
+	 */
+	public Object getArgument() throws InstantiationException {
+		return value;
+	}
+
+	/**
+	 * @see com.lowagie.tools.arguments.ToolArgument#getUsage()
+	 */
+	public String getUsage() {
+		StringBuffer buf = new StringBuffer(super.getUsage());
+		buf.append("    possible options:\n");
+		for (int i = 0; i < options.length; i++) {
+			buf.append("    - ");
+			buf.append(options[i].getText());
+			buf.append("\n");
+		}
+		return buf.toString();
+	}
+
+	/**
+	 * @see java.awt.event.ActionListener#actionPerformed(java.awt.event.ActionEvent)
+	 */
+	public void actionPerformed(ActionEvent evt) {
+		Object[] message = new Object[1 + options.length];
+		message[0] = "Check the options you need:";
+		for(int i = 0; i < options.length; i++ ) {
+			message[i+1] = options[i];
+		}
+		int result = JOptionPane.showOptionDialog(
+	 		    tool.getInternalFrame(),
+	 		    message,
+	 		    description,
+	 		    JOptionPane.OK_CANCEL_OPTION,
+	 		    JOptionPane.QUESTION_MESSAGE,
+	 		    null,
+	 		    null,
+				null
+	 		);
+		if (result == 0) {
+			StringBuffer buf = new StringBuffer();
+			for (int i = 0; i < options.length; i++) {
+				if (options[i].isSelected()) {
+					buf.append("1");
+				}
+				else {
+					buf.append("0");
+				}
+			}
+			setValue(buf.toString());
+		}
+	}
+}