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diff --git a/kcron/ctvariable.h b/kcron/ctvariable.h
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+++ b/kcron/ctvariable.h
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+/***************************************************************************
+ *   CT Environment Variable Header                                        *
+ *   --------------------------------------------------------------------  *
+ *   Copyright (C) 1999, Gary Meyer <gary@meyer.net>                       *
+ *   --------------------------------------------------------------------  *
+ *   This program is free software; you can redistribute it and/or modify  *
+ *   it under the terms of the GNU General Public License as published by  *
+ *   the Free Software Foundation; either version 2 of the License, or     *
+ *   (at your option) any later version.                                   * 
+ ***************************************************************************/
+
+#ifndef CTVARIABLE_H
+#define CTVARIABLE_H
+
+// Do not introduce any Qt or KDE dependencies into the "CT"-prefixed classes.
+// I want to be able to reuse these classes with another GUI toolkit. -GM 11/99
+
+#include <string>
+#include <fstream>
+
+/**
+  * An environment variable (encapsulation of crontab environment variable
+  * entry).  Encapsulates parsing and tokenization.
+  */
+class CTVariable
+{
+public:
+
+/**
+  * Constructs environment variable from crontab format string.
+  */
+  CTVariable(std::string tokStr = "", std::string _comment = "");
+
+/**
+  * Copy constructor.
+  */
+  CTVariable(const CTVariable& source);
+
+/**
+  * Assignment operator.
+  */
+  void operator = (const CTVariable& source);
+
+/**
+  * Default destructor.
+  */
+  // ~CTVariable();
+
+/**
+  * Tokenizes environment variable to crontab format.
+  */
+  friend std::ostream& operator << (std::ostream& outputStream, const CTVariable& task);
+
+/**
+  * Mark changes as applied.
+  */
+  void apply();
+
+/**
+  * Cancel changes.
+  */
+  void cancel();
+
+/**
+  * Indicates whether or not the environment variable has been modified.
+  */
+  bool dirty() const;
+
+  std::string       variable;
+  std::string       value;
+  std::string       comment;
+  bool         enabled;
+
+private:
+  std::string       initialVariable;
+  std::string       initialValue;
+  std::string       initialComment;
+  bool         initialEnabled;
+
+};
+
+#endif // CTVARIABLE_H