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diff --git a/src/third_party/boost-1.69.0/boost/archive/impl/basic_text_oarchive.ipp b/src/third_party/boost-1.69.0/boost/archive/impl/basic_text_oarchive.ipp
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+/////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8
+// basic_text_oarchive.ipp:
+
+// (C) Copyright 2002 Robert Ramey - http://www.rrsd.com . 
+// Use, modification and distribution is subject to the Boost Software
+// License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
+// http://www.boost.org/LICENSE_1_0.txt)
+
+//  See http://www.boost.org for updates, documentation, and revision history.
+#include <string>
+#include <boost/assert.hpp>
+#include <cstring>
+
+#include <boost/config.hpp>
+#if defined(BOOST_NO_STDC_NAMESPACE)
+namespace std{ 
+    using ::memcpy; 
+}
+#endif
+
+#include <boost/archive/basic_text_oarchive.hpp>
+
+namespace boost {
+namespace archive {
+
+/////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8
+// implementation of basic_text_oarchive
+
+template<class Archive>
+BOOST_ARCHIVE_OR_WARCHIVE_DECL void
+basic_text_oarchive<Archive>::newtoken()
+{
+    switch(delimiter){
+    default:
+        BOOST_ASSERT(false);
+        break;
+    case eol:
+        this->This()->put('\n');
+        delimiter = space;
+        break;
+    case space:
+        this->This()->put(' ');
+        break;
+    case none:
+        delimiter = space;
+        break;
+    }
+}
+
+template<class Archive>
+BOOST_ARCHIVE_OR_WARCHIVE_DECL void
+basic_text_oarchive<Archive>::init(){
+    // write signature in an archive version independent manner
+    const std::string file_signature(BOOST_ARCHIVE_SIGNATURE());
+    * this->This() << file_signature;
+    // write library version
+    const library_version_type v(BOOST_ARCHIVE_VERSION());
+    * this->This() << v;
+}
+
+} // namespace archive
+} // namespace boost