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diff --git a/src/boost/libs/icl/example/toytime.hpp b/src/boost/libs/icl/example/toytime.hpp
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+/*-----------------------------------------------------------------------------+
+Copyright (c) 2007-2009: Joachim Faulhaber
++------------------------------------------------------------------------------+
+Copyright (c) 1999-2006: Cortex Software GmbH, Kantstrasse 57, Berlin
++------------------------------------------------------------------------------+
+   Distributed under the Boost Software License, Version 1.0.
+      (See accompanying file LICENCE.txt or copy at
+           http://www.boost.org/LICENSE_1_0.txt)
++-----------------------------------------------------------------------------*/
+#include <boost/config.hpp>
+#ifdef BOOST_MSVC
+#pragma warning(push)
+#pragma warning(disable:4996) // This function or variable may be unsafe. Consider using fopen_s instead. To disable deprecation, use _CRT_SECURE_NO_WARNINGS. See online help for details.
+#endif                        
+
+namespace boost{namespace icl
+{
+
+/** Time is a toy-class to demonstrate a class that conforms the requirements of
+    a template parameter for class template icl::interval. 
+
+    In real world applications you may want to use the integer representation of a
+    time variable. That way intervals and their containers are working most efficiently. 
+*/
+
+enum {sunday=0, monday, tuesday, wednesday, thursday, friday, saturday};
+static const char* daynames[] = {"sun", "mon", "tue", "wed", "thu", "fri", "sat"};
+
+class Time
+{
+public:
+    Time(): m_time(0) {}
+    Time(int hours, int minutes): m_time(60*hours+minutes) {}
+    Time(int day, int hours, int minutes): m_time((24*60)*day+60*hours+minutes) {}
+    int getDay()const { return m_time/(24*60); }
+    int getHours()const { return (m_time%(24*60))/60; }
+    int getMinutes()const { return (m_time%(24*60))%60; }
+    int asInt()const { return m_time; }
+    std::string getDayString()const { return daynames[getDay()]; }
+
+    std::string as_string()const
+    {
+        const int MAX_TIMESTING_LEN = 256;
+        char repr[MAX_TIMESTING_LEN];
+        sprintf(repr, "%3s:%02d:%02d", getDayString().c_str(), getHours(), getMinutes());
+        return std::string(repr);
+    }
+
+    Time& operator ++ () { m_time++; return *this; }
+    Time& operator -- () { m_time--; return *this; }
+
+private:
+    int m_time;
+};
+
+
+bool operator < (const Time& x1, const Time& x2) { return x1.asInt() < x2.asInt(); } 
+bool operator == (const Time& x1, const Time& x2) { return x1.asInt() == x2.asInt(); } 
+bool operator <= (const Time& x1, const Time& x2) { return x1.asInt() <= x2.asInt(); } 
+
+
+template<class CharType, class CharTraits>
+std::basic_ostream<CharType, CharTraits> &operator<<
+  (std::basic_ostream<CharType, CharTraits> &stream, Time const& value)
+{
+    return stream << value.as_string();
+}
+
+}} // namespace icl boost
+
+#ifdef BOOST_MSVC
+#pragma warning(pop)
+#endif
+