/// <summary>
 /// Write the generic 'Actual' line for a constraint
 /// </summary>
 /// <param name="constraint">The constraint for which the actual value is to be written</param>
 private void WriteActualLine(Constraint constraint)
 {
     Write(Pfx_Actual);
     constraint.WriteActualValueTo(this);
     WriteLine();
 }
 /// <summary>
 /// Write the generic 'Actual' line for a constraint
 /// </summary>
 /// <param name="constraint">The constraint for which the actual value is to be written</param>
 private void WriteActualLine(Constraint constraint)
 {
     Write(Pfx_Actual);
     constraint.WriteActualValueTo(this);
     WriteLine();
 }