#include "RenderButton.h"
-#include <boost/scoped_ptr.hpp>
+#include "support/unique_ptr.h"
+
namespace lyx {
docstring const include_label;
/// The pointer never changes although *preview_'s contents may.
- boost::scoped_ptr<RenderMonitoredPreview> const preview_;
+ unique_ptr<RenderMonitoredPreview> const preview_;
///
mutable bool failedtoload_;