diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index c4fb706ed902c076722271e11e10ff21dd94afa1..5590ce494e45f33d32b9288b135b40af440a5326 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,3 +1,26 @@
+2004-01-18  Paolo Carlini  <pcarlini@suse.de>
+
+	* include/bits/basic_string.h (append(size_type, _CharT)):
+	Moved inline, just call _M_replace_aux, no source iterators at
+	risk of being clobbered.
+	(assign(size_type, _CharT)): Call directly _M_replace_aux.
+	(_M_replace(iterator, iterator, _InputIterator, _InputIterator,
+	input_iterator_tag)): Remove fifth unused argument.
+	(_M_replace_dispatch(iterator, iterator, _InputIterator,
+	_InputIterator, __false_type)): Update call.
+	* include/bits/basic_string.tcc (replace(size_type, size_type,
+	const _CharT*, size_type)): Update call.
+	(_M_replace_aux(iterator, iterator, size_type, _CharT)): Tweak
+	throw string literal.
+	(_M_replace_safe(iterator, iterator, _ForwardIterator,
+	_ForwardIterator)): Likewise.
+	(_M_replace(iterator, iterator, _InputIterator, _InputIterator,
+	input_iterator_tag)): Remove fifth unused argument.
+	(append(size_type __n, _CharT __c)): Move inline.
+	* src/string-inst.cc (S::_M_replace(S::iterator, S::iterator,
+	const C*, const C*, input_iterator_tag)): Remove fifth unused
+	argument.
+
 2004-01-16  Benjamin Kosnik  <bkoz@redhat.com>
 
 	* testsuite/ext/enc_filebuf/char/13189.cc: Fix guards.
diff --git a/libstdc++-v3/include/bits/basic_string.h b/libstdc++-v3/include/bits/basic_string.h
index 0b679e0c081146db664e08ea40ff446b945155da..d9847a4b32b15809801d9602b23130135fd111b7 100644
--- a/libstdc++-v3/include/bits/basic_string.h
+++ b/libstdc++-v3/include/bits/basic_string.h
@@ -1,6 +1,6 @@
 // Components for manipulating sequences of characters -*- C++ -*-
 
-// Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003
+// Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004
 // Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
@@ -751,7 +751,8 @@ namespace std
        *  Appends n copies of c to this string.
        */
       basic_string&
-      append(size_type __n, _CharT __c);
+      append(size_type __n, _CharT __c)
+      { return _M_replace_aux(_M_iend(), _M_iend(), __n, __c); }
 
       /**
        *  @brief  Append a range of characters.
@@ -837,7 +838,7 @@ namespace std
        */
       basic_string&
       assign(size_type __n, _CharT __c)
-      { return this->replace(_M_ibegin(), _M_iend(), __n, __c); }
+      { return _M_replace_aux(_M_ibegin(), _M_iend(), __n, __c); }
 
       /**
        *  @brief  Set value to a range of characters.
@@ -1362,11 +1363,7 @@ namespace std
 	basic_string&
 	_M_replace_dispatch(iterator __i1, iterator __i2, _InputIterator __k1,
 			    _InputIterator __k2, __false_type)
-        { 
-	  typedef typename iterator_traits<_InputIterator>::iterator_category
-	    _Category;
-	  return _M_replace(__i1, __i2, __k1, __k2, _Category());
-	}
+        { return _M_replace(__i1, __i2, __k1, __k2); }
 
       basic_string&
       _M_replace_aux(iterator __i1, iterator __i2, size_type __n2, _CharT __c);
@@ -1374,7 +1371,7 @@ namespace std
       template<class _InputIterator>
         basic_string&
         _M_replace(iterator __i1, iterator __i2, _InputIterator __k1,
-		   _InputIterator __k2, input_iterator_tag);
+		   _InputIterator __k2);
 
       template<class _ForwardIterator>
         basic_string&
diff --git a/libstdc++-v3/include/bits/basic_string.tcc b/libstdc++-v3/include/bits/basic_string.tcc
index 87eac7adda812f1c750d92545b0edf9e5be937a3..5f50d3694a33031848cd3d37fbfdc08f8dfb9664 100644
--- a/libstdc++-v3/include/bits/basic_string.tcc
+++ b/libstdc++-v3/include/bits/basic_string.tcc
@@ -1,6 +1,6 @@
 // Components for manipulating sequences of characters -*- C++ -*-
 
-// Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003
+// Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004
 // Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
@@ -380,8 +380,7 @@ namespace std
        // Todo: optimized in-place replace.
        else
 	 return _M_replace(_M_ibegin() + __pos, _M_ibegin() + __pos + __foldn1,
-			   __s, __s + __n2,
-			   typename iterator_traits<const _CharT*>::iterator_category());
+			   __s, __s + __n2);
      }
   
   template<typename _CharT, typename _Traits, typename _Alloc>
@@ -642,23 +641,22 @@ namespace std
       const size_type __n1 = __i2 - __i1;
       const size_type __off1 = __i1 - _M_ibegin();
       if (max_size() - (this->size() - __n1) <= __n2)
-	__throw_length_error("basic_string::replace");
-      _M_mutate (__off1, __n1, __n2);
+	__throw_length_error("basic_string::_M_replace_aux");
+      _M_mutate(__off1, __n1, __n2);
       // Invalidated __i1, __i2
       if (__n2)
 	traits_type::assign(_M_data() + __off1, __n2, __c);
       return *this;
     }
 
-  // This is the general replace helper, which currently gets instantiated both
-  // for input iterators and reverse iterators. It buffers internally and then
-  // calls _M_replace_safe.
+  // This is the general replace helper. It buffers internally and then calls
+  // _M_replace_safe.
   template<typename _CharT, typename _Traits, typename _Alloc>
     template<typename _InputIterator>
       basic_string<_CharT, _Traits, _Alloc>&
       basic_string<_CharT, _Traits, _Alloc>::
       _M_replace(iterator __i1, iterator __i2, _InputIterator __k1, 
-		 _InputIterator __k2, input_iterator_tag)
+		 _InputIterator __k2)
       {
 	// Save concerned source string data in a temporary.
 	const basic_string __s(__k1, __k2);
@@ -680,7 +678,7 @@ namespace std
 	const size_type __dmax = this->max_size();
 
 	if (__dmax <= __dnew)
-	  __throw_length_error("basic_string::_M_replace");
+	  __throw_length_error("basic_string::_M_replace_safe");
 	const size_type __off = __i1 - _M_ibegin();
 	_M_mutate(__off, __dold, __dnew);
 
@@ -750,17 +748,6 @@ namespace std
       return _M_replace_safe(_M_iend(), _M_iend(), __s, __s + __n);
     }
 
-  template<typename _CharT, typename _Traits, typename _Alloc>
-    basic_string<_CharT, _Traits, _Alloc>&
-    basic_string<_CharT, _Traits, _Alloc>::
-    append(size_type __n, _CharT __c)
-    {
-      const size_type __len = __n + this->size();
-      if (__len > this->capacity())
-	this->reserve(__len);
-       return this->replace(_M_iend(), _M_iend(), __n, __c);
-    }
-
   template<typename _CharT, typename _Traits, typename _Alloc>
     basic_string<_CharT, _Traits, _Alloc>
     operator+(const _CharT* __lhs,
diff --git a/libstdc++-v3/src/string-inst.cc b/libstdc++-v3/src/string-inst.cc
index ab779b872e813aa36c10ba6588b8668677209f87..d400d4fbf5489b7a49586524f4211f98f450af90 100644
--- a/libstdc++-v3/src/string-inst.cc
+++ b/libstdc++-v3/src/string-inst.cc
@@ -65,8 +65,7 @@ namespace std
 
   template
     S&
-    S::_M_replace(S::iterator, S::iterator, const C*, const C*, 
-		  input_iterator_tag);  
+    S::_M_replace(S::iterator, S::iterator, const C*, const C*);  
 
   template 
     S&