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diff --git a/include/c++/stl/stl/_collate.h b/include/c++/stl/stl/_collate.h
new file mode 100644
index 0000000..63e8f67
--- /dev/null
+++ b/include/c++/stl/stl/_collate.h
@@ -0,0 +1,179 @@
+/*
+ * Copyright (c) 1999
+ * Silicon Graphics Computer Systems, Inc.
+ *
+ * Copyright (c) 1999
+ * Boris Fomitchev
+ *
+ * This material is provided "as is", with absolutely no warranty expressed
+ * or implied. Any use is at your own risk.
+ *
+ * Permission to use or copy this software for any purpose is hereby granted
+ * without fee, provided the above notices are retained on all copies.
+ * Permission to modify the code and to distribute modified code is granted,
+ * provided the above notices are retained, and a notice that the code was
+ * modified is included with the above copyright notice.
+ *
+ */
+// WARNING: This is an internal header file, included by other C++
+// standard library headers.  You should not attempt to use this header
+// file directly.
+
+#ifndef _STLP_INTERNAL_COLLATE_H
+#define _STLP_INTERNAL_COLLATE_H
+
+#ifndef _STLP_C_LOCALE_H
+# include <stl/c_locale.h>
+#endif
+
+#ifndef _STLP_INTERNAL_LOCALE_H
+# include <stl/_locale.h>
+#endif
+
+#ifndef _STLP_INTERNAL_STRING_H
+# include <stl/_string.h>
+#endif
+
+_STLP_BEGIN_NAMESPACE
+
+template <class _CharT> class collate {};
+template <class _CharT> class collate_byname {};
+
+_STLP_TEMPLATE_NULL
+class _STLP_CLASS_DECLSPEC collate<char> : public locale::facet
+{
+  friend class _Locale_impl;
+
+public:
+  typedef char   char_type;
+  typedef string string_type;
+
+  explicit collate(size_t __refs = 0) : locale::facet(__refs) {}
+
+  int compare(const char* __low1, const char* __high1,
+              const char* __low2, const char* __high2) const {
+    return do_compare( __low1, __high1, __low2, __high2);
+  }
+
+  string_type transform(const char* __low, const char* __high) const {
+    return do_transform(__low, __high);
+  }
+
+  long hash(const char* __low, const char* __high) const
+    { return do_hash(__low, __high); }
+
+  static _STLP_STATIC_MEMBER_DECLSPEC locale::id id;
+
+protected:
+  ~collate();
+
+  virtual int do_compare(const char*, const char*,
+                         const char*, const char*) const;
+  virtual string_type do_transform(const char*, const char*) const;
+  virtual long do_hash(const char*, const char*) const;
+private:
+  collate(const collate<char>&);
+  collate<char>& operator =(const collate<char>&);
+};
+
+# ifndef _STLP_NO_WCHAR_T
+
+_STLP_TEMPLATE_NULL
+class _STLP_CLASS_DECLSPEC collate<wchar_t> : public locale::facet
+{
+  friend class _Locale_impl;
+
+public:
+  typedef wchar_t char_type;
+  typedef wstring string_type;
+
+  explicit collate(size_t __refs = 0) : locale::facet(__refs) {}
+
+  int compare(const wchar_t* __low1, const wchar_t* __high1,
+              const wchar_t* __low2, const wchar_t* __high2) const {
+    return do_compare( __low1, __high1, __low2, __high2);
+  }
+
+  string_type transform(const wchar_t* __low, const wchar_t* __high) const {
+    return do_transform(__low, __high);
+  }
+
+  long hash(const wchar_t* __low, const wchar_t* __high) const
+    { return do_hash(__low, __high); }
+
+  static _STLP_STATIC_MEMBER_DECLSPEC locale::id id;
+
+protected:
+  ~collate();
+
+  virtual int do_compare(const wchar_t*, const wchar_t*,
+                         const wchar_t*, const wchar_t*) const;
+  virtual string_type do_transform(const wchar_t*, const wchar_t*) const;
+  virtual long do_hash(const wchar_t* __low, const wchar_t* __high) const;
+private:
+  collate(const collate<wchar_t>&);
+  collate<wchar_t>& operator = (const collate<wchar_t>&);
+};
+
+# endif /* NO_WCHAR_T */
+
+_STLP_TEMPLATE_NULL
+class _STLP_CLASS_DECLSPEC collate_byname<char>: public collate<char>
+{
+public:
+  explicit collate_byname(const char* __name, size_t __refs = 0, _Locale_name_hint* __hint = 0);
+
+protected:
+  ~collate_byname();
+
+  virtual int do_compare(const char*, const char*,
+                         const char*, const char*) const;
+  virtual string_type do_transform(const char*, const char*) const;
+
+private:
+  _Locale_collate* _M_collate;
+  collate_byname(const collate_byname<char>&);
+  collate_byname<char>& operator =(const collate_byname<char>&);
+  friend _Locale_name_hint* _Locale_extract_hint(collate_byname<char>*);
+};
+
+# ifndef _STLP_NO_WCHAR_T
+
+_STLP_TEMPLATE_NULL
+class _STLP_CLASS_DECLSPEC collate_byname<wchar_t>: public collate<wchar_t>
+{
+public:
+  explicit collate_byname(const char * __name, size_t __refs = 0, _Locale_name_hint* __hint = 0);
+
+protected:
+  ~collate_byname();
+
+  virtual int do_compare(const wchar_t*, const wchar_t*,
+                         const wchar_t*, const wchar_t*) const;
+  virtual string_type do_transform(const wchar_t*, const wchar_t*) const;
+
+private:
+  _Locale_collate* _M_collate;
+  collate_byname(const collate_byname<wchar_t>&);
+  collate_byname<wchar_t>& operator =(const collate_byname<wchar_t>&);
+};
+
+# endif /* NO_WCHAR_T */
+
+template <class _CharT, class _Traits, class _Alloc>
+bool
+__locale_do_operator_call (const locale& __loc,
+                           const basic_string<_CharT, _Traits, _Alloc>& __x,
+                           const basic_string<_CharT, _Traits, _Alloc>& __y) {
+  collate<_CharT> const& __coll = use_facet<collate<_CharT> >(__loc);
+  return __coll.compare(__x.data(), __x.data() + __x.size(),
+                        __y.data(), __y.data() + __y.size()) < 0;
+}
+
+_STLP_END_NAMESPACE
+
+#endif /* _STLP_INTERNAL_COLLATE_H */
+
+// Local Variables:
+// mode:C++
+// End: