diff --git a/include/ndnboost/io/detail/quoted_manip.hpp b/include/ndnboost/io/detail/quoted_manip.hpp
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+++ b/include/ndnboost/io/detail/quoted_manip.hpp
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+//  ndnboost/io/quoted_manip.hpp  ---------------------------------------------------------//
+
+//  Copyright Beman Dawes 2010
+
+//  Distributed under the Boost Software License, Version 1.0.
+//  See http://www.boost.org/LICENSE_1_0.txt
+
+//  Library home page http://www.boost.org/libs/io
+
+//--------------------------------------------------------------------------------------// 
+
+#ifndef NDNBOOST_IO_QUOTED_MANIP
+#define NDNBOOST_IO_QUOTED_MANIP
+
+#include <iosfwd>
+#include <ios>
+#include <string>
+#include <iterator>
+#include <ndnboost/io/ios_state.hpp>
+
+namespace ndnboost
+{
+  namespace io
+  {
+    namespace detail { template <class String, class Char> struct quoted_proxy; }
+
+    //  ------------  public interface  ------------------------------------------------//
+
+    //  manipulator for const std::basic_string&
+    template <class Char, class Traits, class Alloc>
+      detail::quoted_proxy<std::basic_string<Char, Traits, Alloc> const &, Char>
+        quoted(const std::basic_string<Char, Traits, Alloc>& s,
+               Char escape='\\', Char delim='\"');
+
+    //  manipulator for non-const std::basic_string&
+    template <class Char, class Traits, class Alloc>
+      detail::quoted_proxy<std::basic_string<Char, Traits, Alloc> &, Char>
+        quoted(std::basic_string<Char, Traits, Alloc>& s,
+               Char escape='\\', Char delim='\"');
+
+    //  manipulator for const C-string*
+    template <class Char>
+      detail::quoted_proxy<const Char*, Char>
+        quoted(const Char* s, Char escape='\\', Char delim='\"');
+
+    //  -----------  implementation details  -------------------------------------------//
+
+    namespace detail
+    {
+      //  proxy used as an argument pack 
+      template <class String, class Char>
+      struct quoted_proxy
+      {
+        String  string;
+        Char    escape;
+        Char    delim;
+
+        quoted_proxy(String s_, Char escape_, Char delim_)
+          : string(s_), escape(escape_), delim(delim_) {}
+      private:
+        // String may be a const type, so disable the assignment operator
+        quoted_proxy& operator=(const quoted_proxy&);  // = deleted
+      };
+
+      //  abstract away difference between proxies with const or non-const basic_strings
+      template <class Char, class Traits, class Alloc>
+      std::basic_ostream<Char, Traits>&
+      basic_string_inserter_imp(std::basic_ostream<Char, Traits>& os,
+        std::basic_string<Char, Traits, Alloc> const & string, Char escape, Char delim)
+      {
+        os << delim;
+        typename std::basic_string<Char, Traits, Alloc>::const_iterator
+          end_it = string.end();
+        for (typename std::basic_string<Char, Traits, Alloc>::const_iterator
+          it = string.begin();
+          it != end_it;
+          ++it )
+        {
+          if (*it == delim || *it == escape)
+            os << escape;
+          os << *it;
+        }
+        os << delim;
+        return os;
+      }
+
+      //  inserter for const std::basic_string& proxies
+      template <class Char, class Traits, class Alloc>
+      inline
+      std::basic_ostream<Char, Traits>& operator<<(std::basic_ostream<Char, Traits>& os, 
+        const quoted_proxy<std::basic_string<Char, Traits, Alloc> const &, Char>& proxy)
+      {
+        return basic_string_inserter_imp(os, proxy.string, proxy.escape, proxy.delim);
+      }
+
+      //  inserter for non-const std::basic_string& proxies
+      template <class Char, class Traits, class Alloc>
+      inline
+      std::basic_ostream<Char, Traits>& operator<<(std::basic_ostream<Char, Traits>& os, 
+        const quoted_proxy<std::basic_string<Char, Traits, Alloc>&, Char>& proxy)
+      {
+        return basic_string_inserter_imp(os, proxy.string, proxy.escape, proxy.delim);
+      }
+ 
+      //  inserter for const C-string* proxies
+      template <class Char, class Traits>
+      std::basic_ostream<Char, Traits>& operator<<(std::basic_ostream<Char, Traits>& os, 
+        const quoted_proxy<const Char*, Char>& proxy)
+      {
+        os << proxy.delim;
+        for (const Char* it = proxy.string;
+          *it;
+          ++it )
+        {
+          if (*it == proxy.delim || *it == proxy.escape)
+            os << proxy.escape;
+          os << *it;
+        }
+        os << proxy.delim;
+        return os;
+      }
+
+      //  extractor for non-const std::basic_string& proxies
+      template <class Char, class Traits, class Alloc>
+      std::basic_istream<Char, Traits>& operator>>(std::basic_istream<Char, Traits>& is, 
+        const quoted_proxy<std::basic_string<Char, Traits, Alloc>&, Char>& proxy)
+      {
+        proxy.string.clear();
+        Char c;
+        is >> c;
+        if (c != proxy.delim)
+        {
+          is.unget();
+          is >> proxy.string;
+          return is;
+        }
+        {
+          ndnboost::io::ios_flags_saver ifs(is);
+          is >> std::noskipws;
+          for (;;)  
+          {
+            is >> c;
+            if (!is.good())  // cope with I/O errors or end-of-file
+              break;
+            if (c == proxy.escape)
+            {
+              is >> c;
+              if (!is.good())  // cope with I/O errors or end-of-file
+                break;
+            }
+            else if (c == proxy.delim)
+              break;
+            proxy.string += c;
+          }
+        }
+        return is;
+      }
+
+    }  // namespace detail
+
+    //  manipulator implementation for const std::basic_string&
+    template <class Char, class Traits, class Alloc>
+    inline detail::quoted_proxy<std::basic_string<Char, Traits, Alloc> const &, Char>
+    quoted(const std::basic_string<Char, Traits, Alloc>& s, Char escape, Char delim)
+    {
+      return detail::quoted_proxy<std::basic_string<Char, Traits, Alloc> const &, Char>
+        (s, escape, delim);
+    }
+
+    //  manipulator implementation for non-const std::basic_string&
+    template <class Char, class Traits, class Alloc>
+    inline detail::quoted_proxy<std::basic_string<Char, Traits, Alloc> &, Char>
+    quoted(std::basic_string<Char, Traits, Alloc>& s, Char escape, Char delim)
+    {
+      return detail::quoted_proxy<std::basic_string<Char, Traits, Alloc>&, Char>
+        (s, escape, delim);
+    }
+
+    //  manipulator implementation for const C-string*
+    template <class Char>
+    inline detail::quoted_proxy<const Char*, Char>
+    quoted(const Char* s, Char escape, Char delim)
+    {
+      return detail::quoted_proxy<const Char*, Char> (s, escape, delim);
+    }
+
+  }  // namespace io
+}  // namespace ndnboost
+
+#endif // NDNBOOST_IO_QUOTED_MANIP