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diff --git a/libs/cassowary/cassowary/ClFDVariable.h b/libs/cassowary/cassowary/ClFDVariable.h
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+// $Id$
+//
+// Cassowary Incremental Constraint Solver
+// Original Smalltalk Implementation by Alan Borning
+// This C++ Implementation by Greg J. Badros, <gjb@cs.washington.edu>
+// http://www.cs.washington.edu/homes/gjb
+// (C) 1998, 1999 Greg J. Badros and Alan Borning
+// See ../LICENSE for legal details regarding this software
+//
+// ClFDVariable.h
+
+#ifndef ClFDVariable_H
+#define ClFDVariable_H
+
+#if defined(HAVE_CONFIG_H) && !defined(CONFIG_H_INCLUDED) && !defined(CONFIG_INLINE_H_INCLUDED)
+#include <cassowary/config-inline.h>
+#define CONFIG_INLINE_H_INCLUDED
+#endif
+
+#include <cstdio>
+#include <map>
+#include <string>
+#include <list>
+#include "Cassowary.h"
+#include "ClAbstractVariable.h"
+
+using std::map;
+using std::list;
+using std::string;
+
+class ClFDVariable : public ClAbstractVariable {
+public:
+  typedef ClAbstractVariable super;
+
+#if 0 /* GJB:FIXME:: */
+  ClFDVariable(string name, FDNumber Value) :
+    ClAbstractVariable(name),
+    _value(Value),
+    _fSet(true),
+    _desired_value(Value),
+    _plfdnInitialDomain(0)
+    { }
+#endif
+
+  ClFDVariable(string name, FDNumber Value, const list<FDNumber> &initial_domain) :
+    ClAbstractVariable(name),
+    _value(Value),
+    _fSet(true),
+    _desired_value(Value),
+    _plfdnInitialDomain(new list<FDNumber>())
+    {
+      *_plfdnInitialDomain = initial_domain;
+    }
+
+  virtual bool IsFDVariable() const
+    { return true; }
+
+  // Return true if this a variable known outside the solver.  
+  // (We need to give such variables a Value after solving is complete.)
+  virtual bool IsExternal() const
+    { return true; }
+
+#ifndef CL_NO_IO
+  // Prints a semi-descriptive representation to the stream, using the
+  // name if there is one, and otherwise the hash number of this
+  // object.
+  //	EXAMPLE
+  //	  [x:10.0]		-- name = "x", Value = 10.0
+  virtual ostream &PrintOn(ostream &xo) const;
+#endif
+  
+  // Return the current Value I hold.
+  Number Value() const
+    { return _value; }
+
+  // Round the Value to an integer and return it
+  int IntValue() const
+    { return _value; }
+
+  // change the Value held -- should *not* use this if the variable is
+  // in a solver -- instead use AddEditVar() and SuggestValue() interface
+  void SetValue(FDNumber Value)
+    { _value = Value; }
+
+  // permit overriding in subclasses in case something needs to be
+  // done when the Value is changed by the solver
+  // may be called when the Value hasn't actually changed -- just 
+  // means the solver is setting the external variable
+  virtual void ChangeValue(FDNumber Value)
+    { _value = Value; }
+
+  virtual bool FIsSet()
+    { return _fSet; }
+
+  virtual void SetFIsSet(bool f)
+    { _fSet = f; }
+
+  virtual FDNumber DesiredValue() const
+    { return _desired_value; }
+
+  virtual const list<FDNumber> *PlfdnDomain() const
+    { return _plfdnInitialDomain; }
+
+protected:
+
+  // similar to SetValue -- see caveat above -- made private for now
+  // since it's probably the wrong thing and is too easy to invoke
+  FDNumber operator=(FDNumber Value)
+    { _value = Value; return Value; }
+
+  // Copy constructor left undefined since we want to
+  // outlaw passing by Value!  Will get a link error if you
+  // try to use within ClFDVariable.c, compile-time error everywhere else
+  ClFDVariable(const ClFDVariable &);
+
+  FDNumber _value;
+
+  // has the _value been set?  Used during solves.
+  bool _fSet;
+
+  FDNumber _desired_value;
+
+  list<FDNumber> *_plfdnInitialDomain;
+};
+
+#endif