Update readline to version 5.2. This fixes bug#18431.

43 files changed, 3610 insertions, 1507 deletions

diff --git a/cmd-line-utils/readline/INSTALL b/cmd-line-utils/readline/INSTALL
index cb4a06fb701..f360b9e7907 100644
--- a/cmd-line-utils/readline/INSTALL
+++ b/cmd-line-utils/readline/INSTALL
@@ -1,7 +1,7 @@
 Basic Installation
 ==================
 
-These are installation instructions for Readline-5.0.
+These are installation instructions for Readline-5.2.
 
 The simplest way to compile readline is:
 
@@ -238,6 +238,9 @@ SHLIB_XLDFLAGS	Additional flags to pass to SHOBJ_LD for shared library
 SHLIB_LIBS	Any additional libraries that shared libraries should be
 		linked against when they are created.
 
+SHLIB_LIBPREF	The prefix to use when generating the filename of the shared
+		library.  The default is `lib'; Cygwin uses `cyg'.
+
 SHLIB_LIBSUFF	The suffix to add to `libreadline' and `libhistory' when
 		generating the filename of the shared library.  Many systems
 		use `so'; HP-UX uses `sl'.
@@ -254,6 +257,17 @@ SHLIB_LIBVERSION The string to append to the filename to indicate the version
 		numbers; use `$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)' on those systems.
 		Other Unix versions use different schemes.
 
+SHLIB_DLLVERSION The version number for shared libraries that determines API
+		compatibility between readline versions and the underlying
+		system.  Used only on Cygwin.  Defaults to $SHLIB_MAJOR, but
+		can be overridden at configuration time by defining DLLVERSION
+		in the environment.
+
+SHLIB_DOT	The character used to separate the name of the shared library
+		from the suffix and version information.  The default is `.';
+		systems like Cygwin which don't separate version information
+		from the library name should set this to the empty string.
+
 SHLIB_STATUS	Set this to `supported' when you have defined the other
 		necessary variables.  Make uses this to determine whether
 		or not shared library creation should be attempted.  If
diff --git a/cmd-line-utils/readline/README b/cmd-line-utils/readline/README
index ac4e3a767f9..8da99626aa1 100644
--- a/cmd-line-utils/readline/README
+++ b/cmd-line-utils/readline/README
@@ -1,7 +1,7 @@
 Introduction
 ============
 
-This is the Gnu Readline library, version 5.0.
+This is the Gnu Readline library, version 5.2.
 
 The Readline library provides a set of functions for use by applications
 that allow users to edit command lines as they are typed in.  Both
@@ -102,6 +102,9 @@ SHLIB_XLDFLAGS	Additional flags to pass to SHOBJ_LD for shared library
 SHLIB_LIBS	Any additional libraries that shared libraries should be
 		linked against when they are created.
 
+SHLIB_LIBPREF	The prefix to use when generating the filename of the shared
+		library.  The default is `lib'; Cygwin uses `cyg'.
+
 SHLIB_LIBSUFF	The suffix to add to `libreadline' and `libhistory' when
 		generating the filename of the shared library.  Many systems
 		use `so'; HP-UX uses `sl'.
@@ -118,6 +121,17 @@ SHLIB_LIBVERSION The string to append to the filename to indicate the version
 		numbers; use `$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)' on those systems.
 		Other Unix versions use different schemes.
 
+SHLIB_DLLVERSION The version number for shared libraries that determines API
+		compatibility between readline versions and the underlying
+		system.  Used only on Cygwin.  Defaults to $SHLIB_MAJOR, but
+		can be overridden at configuration time by defining DLLVERSION
+		in the environment.
+
+SHLIB_DOT	The character used to separate the name of the shared library
+		from the suffix and version information.  The default is `.';
+		systems like Cygwin which don't separate version information
+		from the library name should set this to the empty string.
+
 SHLIB_STATUS	Set this to `supported' when you have defined the other
 		necessary variables.  Make uses this to determine whether
 		or not shared library creation should be attempted.
@@ -169,4 +183,4 @@ list (mirrored to the Usenet newsgroup gnu.bash.bug) often contains
 Readline bug reports and fixes. 
 
 Chet Ramey
-chet@po.cwru.edu
+chet.ramey@case.edu
diff --git a/cmd-line-utils/readline/bind.c b/cmd-line-utils/readline/bind.c
index 568c3e8776a..08c906bfcc3 100644
--- a/cmd-line-utils/readline/bind.c
+++ b/cmd-line-utils/readline/bind.c
@@ -1,6 +1,6 @@
 /* bind.c -- key binding and startup file support for the readline library. */
 
-/* Copyright (C) 1987, 1989, 1992 Free Software Foundation, Inc.
+/* Copyright (C) 1987-2006 Free Software Foundation, Inc.
 
    This file is part of the GNU Readline Library, a library for
    reading lines of text with interactive input and history editing.
@@ -26,7 +26,9 @@
 #  include <floss.h>
 #endif
 
-#include "config_readline.h"
+#if defined (HAVE_CONFIG_H)
+#  include <config.h>
+#endif
 
 #include <stdio.h>
 #include <sys/types.h>
@@ -75,6 +77,9 @@ static char *_rl_read_file PARAMS((char *, size_t *));
 static void _rl_init_file_error PARAMS((const char *));
 static int _rl_read_init_file PARAMS((const char *, int));
 static int glean_key_from_name PARAMS((char *));
+static int find_boolean_var PARAMS((const char *));
+
+static char *_rl_get_string_variable_value PARAMS((const char *));
 static int substring_member_of_array PARAMS((char *, const char **));
 
 static int currently_reading_init_file;
@@ -337,10 +342,9 @@ rl_generic_bind (type, keyseq, data, map)
   KEYMAP_ENTRY k;
 
   k.function = 0;
-  k.type= 0;
 
   /* If no keys to bind to, exit right away. */
-  if (!keyseq || !*keyseq)
+  if (keyseq == 0 || *keyseq == 0)
     {
       if (type == ISMACR)
 	free (data);
@@ -366,9 +370,12 @@ rl_generic_bind (type, keyseq, data, map)
 
       ic = uc;
       if (ic < 0 || ic >= KEYMAP_SIZE)
-	return -1;
+        {
+          free (keys);
+	  return -1;
+        }
 
-      if (_rl_convert_meta_chars_to_ascii && META_CHAR (ic))
+      if (META_CHAR (ic) && _rl_convert_meta_chars_to_ascii)
 	{
 	  ic = UNMETA (ic);
 	  if (map[ESC].type == ISKMAP)
@@ -435,7 +442,7 @@ rl_translate_keyseq (seq, array, len)
 {
   register int i, c, l, temp;
 
-  for (i = l = 0; (c = seq[i]); i++)
+  for (i = l = 0; c = seq[i]; i++)
     {
       if (c == '\\')
 	{
@@ -458,8 +465,24 @@ rl_translate_keyseq (seq, array, len)
 		}
 	      else if (c == 'M')
 		{
-		  i++;
-		  array[l++] = ESC;	/* ESC is meta-prefix */
+		  i++;		/* seq[i] == '-' */
+		  /* XXX - obey convert-meta setting */
+		  if (_rl_convert_meta_chars_to_ascii && _rl_keymap[ESC].type == ISKMAP)
+		    array[l++] = ESC;	/* ESC is meta-prefix */
+		  else if (seq[i+1] == '\\' && seq[i+2] == 'C' && seq[i+3] == '-')
+		    {
+		      i += 4;
+		      temp = (seq[i] == '?') ? RUBOUT : CTRL (_rl_to_upper (seq[i]));
+		      array[l++] = META (temp);
+		    }
+		  else
+		    {
+		      /* This doesn't yet handle things like \M-\a, which may
+			 or may not have any reasonable meaning.  You're
+			 probably better off using straight octal or hex. */
+		      i++;
+		      array[l++] = META (seq[i]);
+		    }
 		}
 	      else if (c == 'C')
 		{
@@ -554,6 +577,11 @@ rl_untranslate_keyseq (seq)
       kseq[i++] = '-';
       c = UNMETA (c);
     }
+  else if (c == ESC)
+    {
+      kseq[i++] = '\\';
+      c = 'e';
+    }
   else if (CTRL_CHAR (c))
     {
       kseq[i++] = '\\';
@@ -602,7 +630,12 @@ _rl_untranslate_macro_value (seq)
 	  *r++ = '-';
 	  c = UNMETA (c);
 	}
-      else if (CTRL_CHAR (c) && c != ESC)
+      else if (c == ESC)
+	{
+	  *r++ = '\\';
+	  c = 'e';
+	}
+      else if (CTRL_CHAR (c))
 	{
 	  *r++ = '\\';
 	  *r++ = 'C';
@@ -661,7 +694,7 @@ rl_function_of_keyseq (keyseq, map, type)
 {
   register int i;
 
-  if (!map)
+  if (map == 0)
     map = _rl_keymap;
 
   for (i = 0; keyseq && keyseq[i]; i++)
@@ -670,25 +703,27 @@ rl_function_of_keyseq (keyseq, map, type)
 
       if (META_CHAR (ic) && _rl_convert_meta_chars_to_ascii)
 	{
-	  if (map[ESC].type != ISKMAP)
+	  if (map[ESC].type == ISKMAP)
+	    {
+	      map = FUNCTION_TO_KEYMAP (map, ESC);
+	      ic = UNMETA (ic);
+	    }
+	  /* XXX - should we just return NULL here, since this obviously
+	     doesn't match? */
+	  else
 	    {
 	      if (type)
 		*type = map[ESC].type;
 
 	      return (map[ESC].function);
 	    }
-	  else
-	    {
-	      map = FUNCTION_TO_KEYMAP (map, ESC);
-	      ic = UNMETA (ic);
-	    }
 	}
 
       if (map[ic].type == ISKMAP)
 	{
 	  /* If this is the last key in the key sequence, return the
 	     map. */
-	  if (!keyseq[i + 1])
+	  if (keyseq[i + 1] == '\0')
 	    {
 	      if (type)
 		*type = ISKMAP;
@@ -698,7 +733,12 @@ rl_function_of_keyseq (keyseq, map, type)
 	  else
 	    map = FUNCTION_TO_KEYMAP (map, ic);
 	}
-      else
+      /* If we're not at the end of the key sequence, and the current key
+	 is bound to something other than a keymap, then the entire key
+	 sequence is not bound. */
+      else if (map[ic].type != ISKMAP && keyseq[i+1])
+	return ((rl_command_func_t *)NULL);
+      else	/* map[ic].type != ISKMAP && keyseq[i+1] == 0 */
 	{
 	  if (type)
 	    *type = map[ic].type;
@@ -736,8 +776,7 @@ _rl_read_file (filename, sizep)
   file_size = (size_t)finfo.st_size;
 
   /* check for overflow on very large files */
-  if ((long long) file_size != (long long) finfo.st_size ||
-      file_size + 1 < file_size)
+  if (file_size != finfo.st_size || file_size + 1 < file_size)
     {
       if (file >= 0)
 	close (file);
@@ -767,8 +806,8 @@ _rl_read_file (filename, sizep)
 
 /* Re-read the current keybindings file. */
 int
-rl_re_read_init_file (int count __attribute__((unused)),
-                      int ignore __attribute__((unused)))
+rl_re_read_init_file (count, ignore)
+     int count, ignore;
 {
   int r;
   r = rl_read_init_file ((const char *)NULL);
@@ -781,6 +820,7 @@ rl_re_read_init_file (int count __attribute__((unused)),
      1. the filename used for the previous call
      2. the value of the shell variable `INPUTRC'
      3. ~/.inputrc
+     4. /etc/inputrc
    If the file existed and could be opened and read, 0 is returned,
    otherwise errno is returned. */
 int
@@ -789,17 +829,18 @@ rl_read_init_file (filename)
 {
   /* Default the filename. */
   if (filename == 0)
+    filename = last_readline_init_file;
+  if (filename == 0)
+    filename = sh_get_env_value ("INPUTRC");
+  if (filename == 0 || *filename == 0)
     {
-      filename = last_readline_init_file;
-      if (filename == 0)
-        filename = sh_get_env_value ("INPUTRC");
-      if (filename == 0)
-	filename = DEFAULT_INPUTRC;
+      filename = DEFAULT_INPUTRC;
+      /* Try to read DEFAULT_INPUTRC; fall back to SYS_INPUTRC on failure */
+      if (_rl_read_init_file (filename, 0) == 0)
+	return 0;
+      filename = SYS_INPUTRC;
     }
 
-  if (*filename == 0)
-    filename = DEFAULT_INPUTRC;
-
 #if defined (__MSDOS__)
   if (_rl_read_init_file (filename, 0) == 0)
     return 0;
@@ -989,7 +1030,8 @@ parser_if (args)
 
 /* Invert the current parser state if there is anything on the stack. */
 static int
-parser_else (char *args __attribute__((unused)))
+parser_else (args)
+     char *args;
 {
   register int i;
 
@@ -1019,7 +1061,8 @@ parser_else (char *args __attribute__((unused)))
 /* Terminate a conditional, popping the value of
    _rl_parsing_conditionalized_out from the stack. */
 static int
-parser_endif (char *args __attribute__((unused)))
+parser_endif (args)
+     char *args;
 {
   if (if_stack_depth)
     _rl_parsing_conditionalized_out = if_stack[--if_stack_depth];
@@ -1142,7 +1185,7 @@ rl_parse_and_bind (string)
     {
       int passc = 0;
 
-      for (i = 1; (c = string[i]); i++)
+      for (i = 1; c = string[i]; i++)
 	{
 	  if (passc)
 	    {
@@ -1183,9 +1226,9 @@ rl_parse_and_bind (string)
   /* If this is a command to set a variable, then do that. */
   if (_rl_stricmp (string, "set") == 0)
     {
-      char *var = string + i;
-      char *value;
+      char *var, *value, *e;
 
+      var = string + i;
       /* Make VAR point to start of variable name. */
       while (*var && whitespace (*var)) var++;
 
@@ -1196,6 +1239,20 @@ rl_parse_and_bind (string)
 	*value++ = '\0';
       while (*value && whitespace (*value)) value++;
 
+      /* Strip trailing whitespace from values to boolean variables.  Temp
+	 fix until I get a real quoted-string parser here. */
+      i = find_boolean_var (var);
+      if (i >= 0)
+	{
+	  /* remove trailing whitespace */
+	  e = value + strlen (value) - 1;
+	  while (e >= value && whitespace (*e))
+	    e--;
+	  e++;		/* skip back to whitespace or EOS */
+	  if (*e && e >= value)
+	    *e = '\0';
+	}
+
       rl_variable_bind (var, value);
       return 0;
     }
@@ -1216,9 +1273,10 @@ rl_parse_and_bind (string)
      the quoted string delimiter, like the shell. */
   if (*funname == '\'' || *funname == '"')
     {
-      int delimiter = string[i++], passc;
+      int delimiter, passc;
 
-      for (passc = 0; (c = string[i]); i++)
+      delimiter = string[i++];
+      for (passc = 0; c = string[i]; i++)
 	{
 	  if (passc)
 	    {
@@ -1353,6 +1411,7 @@ static struct {
   int *value;
   int flags;
 } boolean_varlist [] = {
+  { "bind-tty-special-chars",	&_rl_bind_stty_chars,		0 },
   { "blink-matching-paren",	&rl_blink_matching_paren,	V_SPECIAL },
   { "byte-oriented",		&rl_byte_oriented,		0 },
   { "completion-ignore-case",	&_rl_completion_case_fold,	0 },
@@ -1377,7 +1436,7 @@ static struct {
 #if defined (VISIBLE_STATS)
   { "visible-stats",		&rl_visible_stats,		0 },
 #endif /* VISIBLE_STATS */
-  { (char *)NULL, (int *)NULL, 0 }
+  { (char *)NULL, (int *)NULL }
 };
 
 static int
@@ -1446,7 +1505,7 @@ static struct {
   { "editing-mode",	V_STRING,	sv_editmode },
   { "isearch-terminators", V_STRING,	sv_isrchterm },
   { "keymap",		V_STRING,	sv_keymap },
-  { (char *)NULL,	0, 0 }
+  { (char *)NULL,	0 }
 };
 
 static int
@@ -1466,13 +1525,32 @@ find_string_var (name)
    values result in 0 (false). */
 static int
 bool_to_int (value)
-const char *value;
+     const char *value;
 {
   return (value == 0 || *value == '\0' ||
 		(_rl_stricmp (value, "on") == 0) ||
 		(value[0] == '1' && value[1] == '\0'));
 }
 
+char *
+rl_variable_value (name)
+     const char *name;
+{
+  register int i;
+
+  /* Check for simple variables first. */
+  i = find_boolean_var (name);
+  if (i >= 0)
+    return (*boolean_varlist[i].value ? "on" : "off");
+
+  i = find_string_var (name);
+  if (i >= 0)
+    return (_rl_get_string_variable_value (string_varlist[i].name));
+
+  /* Unknown variable names return NULL. */
+  return 0;
+}
+
 int
 rl_variable_bind (name, value)
      const char *name, *value;
@@ -1725,13 +1803,13 @@ char *
 rl_get_keymap_name_from_edit_mode ()
 {
   if (rl_editing_mode == emacs_mode)
-    return (char*) "emacs";
+    return "emacs";
 #if defined (VI_MODE)
   else if (rl_editing_mode == vi_mode)
-    return (char*) "vi";
+    return "vi";
 #endif /* VI_MODE */
   else
-    return (char*) "none";
+    return "none";
 }
 
 /* **************************************************************** */
@@ -1899,12 +1977,16 @@ rl_invoking_keyseqs_in_map (function, map)
 		char *keyname = (char *)xmalloc (6 + strlen (seqs[i]));
 
 		if (key == ESC)
-#if 0
-		  sprintf (keyname, "\\e");
-#else
-		/* XXX - experimental */
-		  sprintf (keyname, "\\M-");
-#endif
+		  {
+		    /* If ESC is the meta prefix and we're converting chars
+		       with the eighth bit set to ESC-prefixed sequences, then
+		       we can use \M-.  Otherwise we need to use the sequence
+		       for ESC. */
+		    if (_rl_convert_meta_chars_to_ascii && map[ESC].type == ISKMAP)
+		      sprintf (keyname, "\\M-");
+		    else
+		      sprintf (keyname, "\\e");
+		  }
 		else if (CTRL_CHAR (key))
 		  sprintf (keyname, "\\C-%c", _rl_to_lower (UNCTRL (key)));
 		else if (key == RUBOUT)
@@ -1966,7 +2048,7 @@ rl_function_dumper (print_readably)
 
   fprintf (rl_outstream, "\n");
 
-  for (i = 0; (name = names[i]); i++)
+  for (i = 0; name = names[i]; i++)
     {
       rl_command_func_t *function;
       char **invokers;
@@ -2025,8 +2107,8 @@ rl_function_dumper (print_readably)
    rl_outstream.  If an explicit argument is given, then print
    the output in such a way that it can be read back in. */
 int
-rl_dump_functions (int count __attribute__((unused)),
-                   int key  __attribute__((unused)))
+rl_dump_functions (count, key)
+     int count, key;
 {
   if (rl_dispatching)
     fprintf (rl_outstream, "\r\n");
@@ -2105,7 +2187,8 @@ rl_macro_dumper (print_readably)
 }
 
 int
-rl_dump_macros(int count __attribute__((unused)), int key __attribute__((unused)))
+rl_dump_macros (count, key)
+     int count, key;
 {
   if (rl_dispatching)
     fprintf (rl_outstream, "\r\n");
@@ -2114,12 +2197,67 @@ rl_dump_macros(int count __attribute__((unused)), int key __attribute__((unused)
   return (0);
 }
 
+static char *
+_rl_get_string_variable_value (name)
+     const char *name;
+{
+  static char numbuf[32];
+  char *ret;
+
+  if (_rl_stricmp (name, "bell-style") == 0)
+    {
+      switch (_rl_bell_preference)
+	{
+	  case NO_BELL:
+	    return "none";
+	  case VISIBLE_BELL:
+	    return "visible";
+	  case AUDIBLE_BELL:
+	  default:
+	    return "audible";
+	}
+    }
+  else if (_rl_stricmp (name, "comment-begin") == 0)
+    return (_rl_comment_begin ? _rl_comment_begin : RL_COMMENT_BEGIN_DEFAULT);
+  else if (_rl_stricmp (name, "completion-query-items") == 0)
+    {
+      sprintf (numbuf, "%d", rl_completion_query_items);
+      return (numbuf);
+    }
+  else if (_rl_stricmp (name, "editing-mode") == 0)
+    return (rl_get_keymap_name_from_edit_mode ());
+  else if (_rl_stricmp (name, "isearch-terminators") == 0)
+    {
+      if (_rl_isearch_terminators == 0)
+	return 0;
+      ret = _rl_untranslate_macro_value (_rl_isearch_terminators);
+      if (ret)
+	{
+	  strncpy (numbuf, ret, sizeof (numbuf) - 1);
+	  free (ret);
+	  numbuf[sizeof(numbuf) - 1] = '\0';
+	}
+      else
+	numbuf[0] = '\0';
+      return numbuf;
+    }
+  else if (_rl_stricmp (name, "keymap") == 0)
+    {
+      ret = rl_get_keymap_name (_rl_keymap);
+      if (ret == 0)
+	ret = rl_get_keymap_name_from_edit_mode ();
+      return (ret ? ret : "none");
+    }
+  else
+    return (0);
+}
+
 void
 rl_variable_dumper (print_readably)
      int print_readably;
 {
   int i;
-  const char *kname;
+  char *v;
 
   for (i = 0; boolean_varlist[i].name; i++)
     {
@@ -2131,70 +2269,24 @@ rl_variable_dumper (print_readably)
 			       *boolean_varlist[i].value ? "on" : "off");
     }
 
-  /* bell-style */
-  switch (_rl_bell_preference)
-    {
-    case NO_BELL:
-      kname = "none"; break;
-    case VISIBLE_BELL:
-      kname = "visible"; break;
-    case AUDIBLE_BELL:
-    default:
-      kname = "audible"; break;
-    }
-  if (print_readably)
-    fprintf (rl_outstream, "set bell-style %s\n", kname);
-  else
-    fprintf (rl_outstream, "bell-style is set to `%s'\n", kname);
-
-  /* comment-begin */
-  if (print_readably)
-    fprintf (rl_outstream, "set comment-begin %s\n", _rl_comment_begin ? _rl_comment_begin : RL_COMMENT_BEGIN_DEFAULT);
-  else
-    fprintf (rl_outstream, "comment-begin is set to `%s'\n", _rl_comment_begin ? _rl_comment_begin : RL_COMMENT_BEGIN_DEFAULT);
-
-  /* completion-query-items */
-  if (print_readably)
-    fprintf (rl_outstream, "set completion-query-items %d\n", rl_completion_query_items);
-  else
-    fprintf (rl_outstream, "completion-query-items is set to `%d'\n", rl_completion_query_items);
-
-  /* editing-mode */
-  if (print_readably)
-    fprintf (rl_outstream, "set editing-mode %s\n", (rl_editing_mode == emacs_mode) ? "emacs" : "vi");
-  else
-    fprintf (rl_outstream, "editing-mode is set to `%s'\n", (rl_editing_mode == emacs_mode) ? "emacs" : "vi");
-
-  /* isearch-terminators */
-  if (_rl_isearch_terminators)
+  for (i = 0; string_varlist[i].name; i++)
     {
-      char *disp;
-
-      disp = _rl_untranslate_macro_value (_rl_isearch_terminators);
-
+      v = _rl_get_string_variable_value (string_varlist[i].name);
+      if (v == 0)	/* _rl_isearch_terminators can be NULL */
+	continue;
       if (print_readably)
-	fprintf (rl_outstream, "set isearch-terminators \"%s\"\n", disp);
+        fprintf (rl_outstream, "set %s %s\n", string_varlist[i].name, v);
       else
-	fprintf (rl_outstream, "isearch-terminators is set to \"%s\"\n", disp);
-
-      free (disp);
+        fprintf (rl_outstream, "%s is set to `%s'\n", string_varlist[i].name, v);
     }
-
-  /* keymap */
-  kname = rl_get_keymap_name (_rl_keymap);
-  if (kname == 0)
-    kname = rl_get_keymap_name_from_edit_mode ();
-  if (print_readably)
-    fprintf (rl_outstream, "set keymap %s\n", kname ? kname : "none");
-  else
-    fprintf (rl_outstream, "keymap is set to `%s'\n", kname ? kname : "none");
 }
 
 /* Print all of the current variables and their values to
    rl_outstream.  If an explicit argument is given, then print
    the output in such a way that it can be read back in. */
 int
-rl_dump_variables(int count __attribute__((unused)), int key __attribute__((unused)))
+rl_dump_variables (count, key)
+     int count, key;
 {
   if (rl_dispatching)
     fprintf (rl_outstream, "\r\n");
diff --git a/cmd-line-utils/readline/callback.c b/cmd-line-utils/readline/callback.c
index 0807f137b92..ada04d8593b 100644
--- a/cmd-line-utils/readline/callback.c
+++ b/cmd-line-utils/readline/callback.c
@@ -1,6 +1,6 @@
 /* callback.c -- functions to use readline as an X `callback' mechanism. */
 
-/* Copyright (C) 1987, 1989, 1992 Free Software Foundation, Inc.
+/* Copyright (C) 1987-2005 Free Software Foundation, Inc.
 
    This file is part of the GNU Readline Library, a library for
    reading lines of text with interactive input and history editing.
@@ -21,7 +21,9 @@
    59 Temple Place, Suite 330, Boston, MA 02111 USA. */
 #define READLINE_LIBRARY
 
-#include "config_readline.h"
+#if defined (HAVE_CONFIG_H)
+#  include <config.h>
+#endif
 
 #include "rlconf.h"
 
@@ -41,10 +43,16 @@
 #include "rldefs.h"
 #include "readline.h"
 #include "rlprivate.h"
+#include "xmalloc.h"
+
+/* Private data for callback registration functions.  See comments in
+   rl_callback_read_char for more details. */
+_rl_callback_func_t *_rl_callback_func = 0;
+_rl_callback_generic_arg *_rl_callback_data = 0;
 
 /* **************************************************************** */
 /*								    */
-/*			Callback Readline Functions                 */
+/*			Callback Readline Functions		 */
 /*								    */
 /* **************************************************************** */
 
@@ -70,7 +78,8 @@ _rl_callback_newline ()
     {
       in_handler = 1;
 
-      (*rl_prep_term_function) (_rl_meta_flag);
+      if (rl_prep_term_function)
+	(*rl_prep_term_function) (_rl_meta_flag);
 
 #if defined (HANDLE_SIGNALS)
       rl_set_signals ();
@@ -87,6 +96,7 @@ rl_callback_handler_install (prompt, linefunc)
      rl_vcpfunc_t *linefunc;
 {
   rl_set_prompt (prompt);
+  RL_SETSTATE (RL_STATE_CALLBACK);
   rl_linefunc = linefunc;
   _rl_callback_newline ();
 }
@@ -96,7 +106,8 @@ void
 rl_callback_read_char ()
 {
   char *line;
-  int eof;
+  int eof, jcode;
+  static procenv_t olevel;
 
   if (rl_linefunc == NULL)
     {
@@ -104,16 +115,89 @@ rl_callback_read_char ()
       abort ();
     }
 
-  eof = readline_internal_char ();
+  memcpy ((void *)olevel, (void *)readline_top_level, sizeof (procenv_t));
+  jcode = setjmp (readline_top_level);
+  if (jcode)
+    {
+      (*rl_redisplay_function) ();
+      _rl_want_redisplay = 0;
+      memcpy ((void *)readline_top_level, (void *)olevel, sizeof (procenv_t));
+      return;
+    }
 
-  /* We loop in case some function has pushed input back with rl_execute_next. */
-  for (;;)
+  do
     {
+      if  (RL_ISSTATE (RL_STATE_ISEARCH))
+	{
+	  eof = _rl_isearch_callback (_rl_iscxt);
+	  if (eof == 0 && (RL_ISSTATE (RL_STATE_ISEARCH) == 0) && RL_ISSTATE (RL_STATE_INPUTPENDING))
+	    rl_callback_read_char ();
+
+	  return;
+	}
+      else if  (RL_ISSTATE (RL_STATE_NSEARCH))
+	{
+	  eof = _rl_nsearch_callback (_rl_nscxt);
+	  return;
+	}
+      else if (RL_ISSTATE (RL_STATE_NUMERICARG))
+	{
+	  eof = _rl_arg_callback (_rl_argcxt);
+	  if (eof == 0 && (RL_ISSTATE (RL_STATE_NUMERICARG) == 0) && RL_ISSTATE (RL_STATE_INPUTPENDING))
+	    rl_callback_read_char ();
+	  /* XXX - this should handle _rl_last_command_was_kill better */
+	  else if (RL_ISSTATE (RL_STATE_NUMERICARG) == 0)
+	    _rl_internal_char_cleanup ();
+
+	  return;
+	}
+      else if (RL_ISSTATE (RL_STATE_MULTIKEY))
+	{
+	  eof = _rl_dispatch_callback (_rl_kscxt);	/* For now */
+	  while ((eof == -1 || eof == -2) && RL_ISSTATE (RL_STATE_MULTIKEY) && _rl_kscxt && (_rl_kscxt->flags & KSEQ_DISPATCHED))
+	    eof = _rl_dispatch_callback (_rl_kscxt);
+	  if (RL_ISSTATE (RL_STATE_MULTIKEY) == 0)
+	    {
+	      _rl_internal_char_cleanup ();
+	      _rl_want_redisplay = 1;
+	    }
+	}
+      else if (_rl_callback_func)
+	{
+	  /* This allows functions that simply need to read an additional
+	     character (like quoted-insert) to register a function to be
+	     called when input is available.  _rl_callback_data is simply a
+	     pointer to a struct that has the argument count originally
+	     passed to the registering function and space for any additional
+	     parameters.  */
+	  eof = (*_rl_callback_func) (_rl_callback_data);
+	  /* If the function `deregisters' itself, make sure the data is
+	     cleaned up. */
+	  if (_rl_callback_func == 0)
+	    {
+	      if (_rl_callback_data) 	
+		{
+		  _rl_callback_data_dispose (_rl_callback_data);
+		  _rl_callback_data = 0;
+		}
+	      _rl_internal_char_cleanup ();
+	    }
+	}
+      else
+	eof = readline_internal_char ();
+
+      if (rl_done == 0 && _rl_want_redisplay)
+	{
+	  (*rl_redisplay_function) ();
+	  _rl_want_redisplay = 0;
+	}
+
       if (rl_done)
 	{
 	  line = readline_internal_teardown (eof);
 
-	  (*rl_deprep_term_function) ();
+	  if (rl_deprep_term_function)
+	    (*rl_deprep_term_function) ();
 #if defined (HANDLE_SIGNALS)
 	  rl_clear_signals ();
 #endif
@@ -129,11 +213,8 @@ rl_callback_read_char ()
 	  if (in_handler == 0 && rl_linefunc)
 	    _rl_callback_newline ();
 	}
-      if (rl_pending_input || _rl_pushed_input_available ())
-	eof = readline_internal_char ();
-      else
-        break;
     }
+  while (rl_pending_input || _rl_pushed_input_available () || RL_ISSTATE (RL_STATE_MACROINPUT));
 }
 
 /* Remove the handler, and make sure the terminal is in its normal state. */
@@ -141,14 +222,37 @@ void
 rl_callback_handler_remove ()
 {
   rl_linefunc = NULL;
+  RL_UNSETSTATE (RL_STATE_CALLBACK);
   if (in_handler)
     {
       in_handler = 0;
-      (*rl_deprep_term_function) ();
+      if (rl_deprep_term_function)
+	(*rl_deprep_term_function) ();
 #if defined (HANDLE_SIGNALS)
       rl_clear_signals ();
 #endif
     }
 }
 
+_rl_callback_generic_arg *
+_rl_callback_data_alloc (count)
+     int count;
+{
+  _rl_callback_generic_arg *arg;
+
+  arg = (_rl_callback_generic_arg *)xmalloc (sizeof (_rl_callback_generic_arg));
+  arg->count = count;
+
+  arg->i1 = arg->i2 = 0;
+
+  return arg;
+}
+
+void _rl_callback_data_dispose (arg)
+     _rl_callback_generic_arg *arg;
+{
+  if (arg)
+    free (arg);
+}
+
 #endif
diff --git a/cmd-line-utils/readline/chardefs.h b/cmd-line-utils/readline/chardefs.h
index 04a3b7a8e9c..def3a111bd3 100644
--- a/cmd-line-utils/readline/chardefs.h
+++ b/cmd-line-utils/readline/chardefs.h
@@ -59,11 +59,7 @@
 #define largest_char 255		    /* Largest character value. */
 
 #define CTRL_CHAR(c) ((c) < control_character_threshold && (((c) & 0x80) == 0))
-#if largest_char >= 255
-#define META_CHAR(c) ((c) > meta_character_threshold)
-#else
 #define META_CHAR(c) ((c) > meta_character_threshold && (c) <= largest_char)
-#endif
 
 #define CTRL(c) ((c) & control_character_mask)
 #define META(c) ((c) | meta_character_bit)
@@ -90,6 +86,8 @@
 /* Some systems define these; we want our definitions. */
 #undef ISPRINT
 
+/* Beware:  these only work with single-byte ASCII characters. */
+
 #define ISALNUM(c)	(IN_CTYPE_DOMAIN (c) && isalnum (c))
 #define ISALPHA(c)	(IN_CTYPE_DOMAIN (c) && isalpha (c))
 #define ISDIGIT(c)	(IN_CTYPE_DOMAIN (c) && isdigit (c))
diff --git a/cmd-line-utils/readline/compat.c b/cmd-line-utils/readline/compat.c
index e4fbc322cee..a66d210fd2e 100644
--- a/cmd-line-utils/readline/compat.c
+++ b/cmd-line-utils/readline/compat.c
@@ -21,7 +21,9 @@
    59 Temple Place, Suite 330, Boston, MA 02111 USA. */
 #define READLINE_LIBRARY
 
-#include "config_readline.h"
+#if defined (HAVE_CONFIG_H)
+#  include <config.h>
+#endif
 
 #include <stdio.h>
 
diff --git a/cmd-line-utils/readline/complete.c b/cmd-line-utils/readline/complete.c
index f4c361789b7..73f834a68a7 100644
--- a/cmd-line-utils/readline/complete.c
+++ b/cmd-line-utils/readline/complete.c
@@ -1,6 +1,6 @@
 /* complete.c -- filename completion for readline. */
 
-/* Copyright (C) 1987-2004 Free Software Foundation, Inc.
+/* Copyright (C) 1987-2005 Free Software Foundation, Inc.
 
    This file is part of the GNU Readline Library, a library for
    reading lines of text with interactive input and history editing.
@@ -21,18 +21,12 @@
    59 Temple Place, Suite 330, Boston, MA 02111 USA. */
 #define READLINE_LIBRARY
 
-#if !defined(_XOPEN_SOURCE) && !defined(__FreeBSD__)
-#define _XOPEN_SOURCE 500
+#if defined (HAVE_CONFIG_H)
+#  include <config.h>
 #endif
 
-#include "config_readline.h"
-
 #include <sys/types.h>
-
-/* To get SuSE 9.3 to define wcwidth() (in wchar.h) */
-
 #include <fcntl.h>
-
 #if defined (HAVE_SYS_FILE_H)
 #  include <sys/file.h>
 #endif
@@ -54,7 +48,9 @@
 extern int errno;
 #endif /* !errno */
 
+#if defined (HAVE_PWD_H)
 #include <pwd.h>
+#endif
 
 #include "posixdir.h"
 #include "posixstat.h"
@@ -85,9 +81,9 @@ typedef int QSFUNC ();
 
 /* Most systems don't declare getpwent in <pwd.h> if _POSIX_SOURCE is
    defined. */
-#if !defined (HAVE_GETPW_DECLS) || defined (_POSIX_SOURCE)
+#if defined (HAVE_GETPWENT) && (!defined (HAVE_GETPW_DECLS) || defined (_POSIX_SOURCE))
 extern struct passwd *getpwent PARAMS((void));
-#endif /* !HAVE_GETPW_DECLS || _POSIX_SOURCE */
+#endif /* HAVE_GETPWENT && (!HAVE_GETPW_DECLS || _POSIX_SOURCE) */
 
 /* If non-zero, then this is the address of a function to call when
    completing a word would normally display the list of possible matches.
@@ -212,7 +208,8 @@ int rl_completion_type = 0;
 
 /* Up to this many items will be displayed in response to a
    possible-completions call.  After that, we ask the user if
-   she is sure she wants to see them all. */
+   she is sure she wants to see them all.  A negative value means
+   don't ask. */
 int rl_completion_query_items = 100;
 
 int _rl_page_completions = 1;
@@ -360,15 +357,15 @@ rl_complete (ignore, invoking_key)
 
 /* List the possible completions.  See description of rl_complete (). */
 int
-rl_possible_completions (int ignore __attribute__((unused)),
-                         int invoking_key __attribute__((unused)))
+rl_possible_completions (ignore, invoking_key)
+     int ignore, invoking_key;
 {
   return (rl_complete_internal ('?'));
 }
 
 int
-rl_insert_completions (int ignore __attribute__((unused)),
-                       int invoking_key __attribute__((unused)))
+rl_insert_completions (ignore, invoking_key)
+     int ignore, invoking_key;
 {
   return (rl_complete_internal ('*'));
 }
@@ -627,6 +624,8 @@ fnprint (to_print)
   mbstate_t ps;
   const char *end;
   size_t tlen;
+  int width, w;
+  wchar_t wc;
 
   end = to_print + strlen (to_print) + 1;
   memset (&ps, 0, sizeof (mbstate_t));
@@ -659,21 +658,28 @@ fnprint (to_print)
       else
 	{
 #if defined (HANDLE_MULTIBYTE)
-	  tlen = mbrlen (s, end - s, &ps);
+	  tlen = mbrtowc (&wc, s, end - s, &ps);
 	  if (MB_INVALIDCH (tlen))
 	    {
 	      tlen = 1;
+	      width = 1;
 	      memset (&ps, 0, sizeof (mbstate_t));
 	    }
 	  else if (MB_NULLWCH (tlen))
 	    break;
+	  else
+	    {
+	      w = wcwidth (wc);
+	      width = (w >= 0) ? w : 1;
+	    }
 	  fwrite (s, 1, tlen, rl_outstream);
 	  s += tlen;
+	  printed_len += width;
 #else
 	  putc (*s, rl_outstream);
 	  s++;
-#endif
 	  printed_len++;
+#endif
 	}
     }
 
@@ -689,7 +695,7 @@ print_filename (to_print, full_pathname)
      char *to_print, *full_pathname;
 {
   int printed_len, extension_char, slen, tlen;
-  char *s, c, *new_full_pathname;
+  char *s, c, *new_full_pathname, *dn;
 
   extension_char = 0;
   printed_len = fnprint (to_print);
@@ -714,7 +720,17 @@ print_filename (to_print, full_pathname)
 	     files in the root directory.  If we pass a null string to the
 	     bash directory completion hook, for example, it will expand it
 	     to the current directory.  We just want the `/'. */
-	  s = tilde_expand (full_pathname && *full_pathname ? full_pathname : "/");
+	  if (full_pathname == 0 || *full_pathname == 0)
+	    dn = "/";
+	  else if (full_pathname[0] != '/')
+	    dn = full_pathname;
+	  else if (full_pathname[1] == 0)
+	    dn = "//";		/* restore trailing slash to `//' */
+	  else if (full_pathname[1] == '/' && full_pathname[2] == 0)
+	    dn = "/";		/* don't turn /// into // */
+	  else
+	    dn = full_pathname;
+	  s = tilde_expand (dn);
 	  if (rl_directory_completion_hook)
 	    (*rl_directory_completion_hook) (&s);
 
@@ -722,6 +738,10 @@ print_filename (to_print, full_pathname)
 	  tlen = strlen (to_print);
 	  new_full_pathname = (char *)xmalloc (slen + tlen + 2);
 	  strcpy (new_full_pathname, s);
+	  if (s[slen - 1] == '/')
+	    slen--;
+	  else
+	    new_full_pathname[slen] = '/';
 	  new_full_pathname[slen] = '/';
 	  strcpy (new_full_pathname + slen + 1, to_print);
 
@@ -760,7 +780,10 @@ print_filename (to_print, full_pathname)
 }
 
 static char *
-rl_quote_filename (char *s, int rtype __attribute__((unused)), char *qcp)
+rl_quote_filename (s, rtype, qcp)
+     char *s;
+     int rtype;
+     char *qcp;
 {
   char *r;
 
@@ -810,14 +833,7 @@ _rl_find_completion_word (fp, dp)
 	 quote substrings for the completer.  Try to find the start
 	 of an unclosed quoted substring. */
       /* FOUND_QUOTE is set so we know what kind of quotes we found. */
-#if defined (HANDLE_MULTIBYTE)
-      for (scan = pass_next = 0; scan < end;
-		scan = ((MB_CUR_MAX == 1 || rl_byte_oriented)
-			? (scan + 1) 
-			: _rl_find_next_mbchar (rl_line_buffer, scan, 1, MB_FIND_ANY)))
-#else
-      for (scan = pass_next = 0; scan < end; scan++)
-#endif
+      for (scan = pass_next = 0; scan < end; scan = MB_NEXTCHAR (rl_line_buffer, scan, 1, MB_FIND_ANY))
 	{
 	  if (pass_next)
 	    {
@@ -867,11 +883,7 @@ _rl_find_completion_word (fp, dp)
       /* We didn't find an unclosed quoted substring upon which to do
          completion, so use the word break characters to find the
          substring on which to complete. */
-#if defined (HANDLE_MULTIBYTE)
-      while ((rl_point = _rl_find_prev_mbchar (rl_line_buffer, rl_point, MB_FIND_ANY)))
-#else
-      while (--rl_point)
-#endif
+      while (rl_point = MB_PREVCHAR (rl_line_buffer, rl_point, MB_FIND_ANY))
 	{
 	  scan = rl_line_buffer[rl_point];
 
@@ -938,7 +950,7 @@ gen_completion_matches (text, start, end, our_func, found_quote, quote_char)
      rl_compentry_func_t *our_func;
      int found_quote, quote_char;
 {
-  char **matches, *temp;
+  char **matches;
 
   rl_completion_found_quote = found_quote;
   rl_completion_quote_character = quote_char;
@@ -957,21 +969,9 @@ gen_completion_matches (text, start, end, our_func, found_quote, quote_char)
 	}
     }
 
-  /* Beware -- we're stripping the quotes here.  Do this only if we know
-     we are doing filename completion and the application has defined a
-     filename dequoting function. */
-  temp = (char *)NULL;
-
-  if (found_quote && our_func == rl_filename_completion_function &&
-      rl_filename_dequoting_function)
-    {
-      /* delete single and double quotes */
-      temp = (*rl_filename_dequoting_function) (text, quote_char);
-      text = temp;	/* not freeing text is not a memory leak */
-    }
+  /* XXX -- filename dequoting moved into rl_filename_completion_function */
 
   matches = rl_completion_matches (text, our_func);
-  FREE (temp);
   return matches;  
 }
 
@@ -1104,7 +1104,8 @@ compute_lcd_of_matches (match_list, matches, text)
 #if defined (HANDLE_MULTIBYTE)
 	    if (MB_CUR_MAX > 1 && rl_byte_oriented == 0)
 	      {
-		mbstate_t ps_back = ps1;
+		mbstate_t ps_back;
+		ps_back = ps1;
 		if (!_rl_compare_chars (match_list[i], si, &ps1, match_list[i+1], si, &ps2))
 		  break;
 		else if ((v = _rl_get_char_len (&match_list[i][si], &ps_back)) > 1)
@@ -1154,8 +1155,7 @@ compute_lcd_of_matches (match_list, matches, text)
 	      rl_completion_found_quote &&
 	      rl_filename_quoting_desired)
 	    {
-	      dtext = (*rl_filename_dequoting_function)
-		((char*) text, rl_completion_quote_character);
+	      dtext = (*rl_filename_dequoting_function) ((char *)text, rl_completion_quote_character);
 	      text = dtext;
 	    }
 
@@ -1401,7 +1401,7 @@ display_matches (matches)
 	
   /* If there are many items, then ask the user if she really wants to
      see them all. */
-  if (len >= rl_completion_query_items)
+  if (rl_completion_query_items > 0 && len >= rl_completion_query_items)
     {
       rl_crlf ();
       fprintf (rl_outstream, "Display all %d possibilities? (y or n)", len);
@@ -1538,7 +1538,7 @@ append_to_match (text, delimiter, quote_char, nontrivial_match)
 		: stat (filename, &finfo);
       if (s == 0 && S_ISDIR (finfo.st_mode))
 	{
-	  if (_rl_complete_mark_directories)
+	  if (_rl_complete_mark_directories /* && rl_completion_suppress_append == 0 */)
 	    {
 	      /* This is clumsy.  Avoid putting in a double slash if point
 		 is at the end of the line and the previous character is a
@@ -1802,7 +1802,7 @@ rl_completion_matches (text, entry_function)
   match_list = (char **)xmalloc ((match_list_size + 1) * sizeof (char *));
   match_list[1] = (char *)NULL;
 
-  while ((string = (*entry_function) (text, matches)))
+  while (string = (*entry_function) (text, matches))
     {
       if (matches + 1 == match_list_size)
 	match_list = (char **)xrealloc
@@ -1852,16 +1852,20 @@ rl_username_completion_function (text, state)
       setpwent ();
     }
 
-  while ((entry = getpwent ()))
+#if defined (HAVE_GETPWENT)
+  while (entry = getpwent ())
     {
       /* Null usernames should result in all users as possible completions. */
       if (namelen == 0 || (STREQN (username, entry->pw_name, namelen)))
 	break;
     }
+#endif
 
   if (entry == 0)
     {
+#if defined (HAVE_GETPWENT)
       endpwent ();
+#endif
       return ((char *)NULL);
     }
   else
@@ -1959,13 +1963,30 @@ rl_filename_completion_function (text, state)
       if (rl_directory_rewrite_hook)
 	(*rl_directory_rewrite_hook) (&dirname);
 
+      /* The directory completion hook should perform any necessary
+	 dequoting. */
       if (rl_directory_completion_hook && (*rl_directory_completion_hook) (&dirname))
 	{
 	  free (users_dirname);
 	  users_dirname = savestring (dirname);
 	}
-
+      else if (rl_completion_found_quote && rl_filename_dequoting_function)
+	{
+	  /* delete single and double quotes */
+	  temp = (*rl_filename_dequoting_function) (users_dirname, rl_completion_quote_character);
+	  free (users_dirname);
+	  users_dirname = temp;
+	}
       directory = opendir (dirname);
+
+      /* Now dequote a non-null filename. */
+      if (filename && *filename && rl_completion_found_quote && rl_filename_dequoting_function)
+	{
+	  /* delete single and double quotes */
+	  temp = (*rl_filename_dequoting_function) (filename, rl_completion_quote_character);
+	  free (filename);
+	  filename = temp;
+	}
       filename_len = strlen (filename);
 
       rl_filename_completion_desired = 1;
@@ -2088,7 +2109,8 @@ rl_filename_completion_function (text, state)
    hit the end of the match list, we restore the original unmatched text,
    ring the bell, and reset the counter to zero. */
 int
-rl_menu_complete (int count, int ignore __attribute__((unused)))
+rl_menu_complete (count, ignore)
+     int count, ignore;
 {
   rl_compentry_func_t *our_func;
   int matching_filenames, found_quote;
@@ -2172,9 +2194,11 @@ rl_menu_complete (int count, int ignore __attribute__((unused)))
       return (0);
     }
 
-  match_list_index = (match_list_index + count) % match_list_size;
+  match_list_index += count;
   if (match_list_index < 0)
     match_list_index += match_list_size;
+  else
+    match_list_index %= match_list_size;
 
   if (match_list_index == 0 && match_list_size > 1)
     {
diff --git a/cmd-line-utils/readline/configure.in b/cmd-line-utils/readline/configure.in
index 31e17606024..868773be696 100644
--- a/cmd-line-utils/readline/configure.in
+++ b/cmd-line-utils/readline/configure.in
@@ -4,9 +4,27 @@ dnl
 dnl report bugs to chet@po.cwru.edu
 dnl
 dnl Process this file with autoconf to produce a configure script.
-AC_REVISION([for Readline 5.0, version 2.52, from autoconf version] AC_ACVERSION)
 
-AC_INIT(readline, 5.0-rc1, bug-readline@gnu.org)
+# Copyright (C) 1987-2005 Free Software Foundation, Inc.
+
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2, or (at your option)
+# any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
+# 02111-1307, USA.
+
+AC_REVISION([for Readline 5.2, version 2.61])
+
+AC_INIT(readline, 5.2, bug-readline@gnu.org)
 
 dnl make sure we are using a recent autoconf version
 AC_PREREQ(2.50)
@@ -16,20 +34,28 @@ AC_CONFIG_AUX_DIR(./support)
 AC_CONFIG_HEADERS(config.h)
 
 dnl update the value of RL_READLINE_VERSION in readline.h when this changes
-LIBVERSION=5.0
+LIBVERSION=5.2
 
 AC_CANONICAL_HOST
 
 dnl configure defaults
 opt_curses=no
+opt_purify=no
 
 dnl arguments to configure
 AC_ARG_WITH(curses, AC_HELP_STRING([--with-curses], [use the curses library instead of the termcap library]), opt_curses=$withval)
+AC_ARG_WITH(purify, AC_HELP_STRING([--with-purify], [configure to postprocess with purify]), opt_purify=$withval)
 
 if test "$opt_curses" = "yes"; then
 	prefer_curses=yes
 fi
 
+if test "$opt_purify" = yes; then
+	PURIFY="purify"
+else
+	PURIFY=
+fi
+
 dnl option parsing for optional features
 opt_multibyte=yes
 opt_static_libs=yes
@@ -43,6 +69,36 @@ if test $opt_multibyte = no; then
 AC_DEFINE(NO_MULTIBYTE_SUPPORT)
 fi
 
+dnl load up the cross-building cache file -- add more cases and cache
+dnl files as necessary
+
+dnl Note that host and target machine are the same, and different than the
+dnl build machine.
+
+CROSS_COMPILE=
+if test "x$cross_compiling" = "xyes"; then
+    case "${host}" in
+    *-cygwin*)
+        cross_cache=${srcdir}/cross-build/cygwin.cache
+        ;;
+    *-mingw*)
+        cross_cache=${srcdir}/cross-build/mingw.cache
+        ;;
+    i[[3456]]86-*-beos*)
+        cross_cache=${srcdir}/cross-build/x86-beos.cache
+        ;;
+    *)  echo "configure: cross-compiling for $host is not supported" >&2
+        ;;
+    esac
+    if test -n "${cross_cache}" && test -r "${cross_cache}"; then
+        echo "loading cross-build cache file ${cross_cache}"
+        . ${cross_cache}
+    fi
+    unset cross_cache
+    CROSS_COMPILE='-DCROSS_COMPILING'
+    AC_SUBST(CROSS_COMPILE)
+fi
+
 echo ""
 echo "Beginning configuration for readline-$LIBVERSION for ${host_cpu}-${host_vendor}-${host_os}"
 echo ""
@@ -83,14 +139,24 @@ AC_HEADER_STDC
 AC_HEADER_STAT
 AC_HEADER_DIRENT
 
-AC_CHECK_FUNCS(lstat memmove putenv select setenv setlocale \
-		strcasecmp strpbrk tcgetattr vsnprintf isascii isxdigit)
+AC_CHECK_FUNCS(fcntl kill lstat)
+AC_CHECK_FUNCS(memmove putenv select setenv setlocale \
+		strcasecmp strpbrk tcgetattr vsnprintf)
+AC_CHECK_FUNCS(isascii isxdigit)
+AC_CHECK_FUNCS(getpwent getpwnam getpwuid)
 
 AC_FUNC_STRCOLL
 
-AC_CHECK_HEADERS(unistd.h stdlib.h varargs.h stdarg.h string.h strings.h \
-		limits.h sys/ptem.h sys/pte.h sys/stream.h sys/select.h \
-		termcap.h termios.h termio.h sys/file.h locale.h memory.h )
+AC_CHECK_HEADERS(fcntl.h unistd.h stdlib.h varargs.h stdarg.h string.h strings.h \
+		limits.h locale.h pwd.h memory.h termcap.h termios.h termio.h)
+AC_CHECK_HEADERS(sys/pte.h sys/stream.h sys/select.h sys/file.h)
+
+AC_CHECK_HEADERS(sys/ptem.h,,,
+[[
+#if HAVE_SYS_STREAM_H
+#  include <sys/stream.h>
+#endif
+]])
 
 BASH_SYS_SIGNAL_VINTAGE
 BASH_SYS_REINSTALL_SIGHANDLERS
@@ -143,7 +209,13 @@ esac
 #
 if test -f ${srcdir}/support/shobj-conf; then
         AC_MSG_CHECKING(configuration for building shared libraries)
-        eval `${CONFIG_SHELL-/bin/sh} ${srcdir}/support/shobj-conf -C "${CC}" -c ${host_cpu} -o ${host_os} -v ${host_vendor}`
+        eval `TERMCAP_LIB=$TERMCAP_LIB ${CONFIG_SHELL-/bin/sh} ${srcdir}/support/shobj-conf -C "${CC}" -c ${host_cpu} -o ${host_os} -v ${host_vendor}`
+
+#	case "$SHLIB_LIBS" in
+#	*curses*|*termcap*|*termlib*)	;;
+#	*)			SHLIB_LIBS="$SHLIB_LIBS $TERMCAP_LIB" ;;
+#	esac
+	
         AC_SUBST(SHOBJ_CC)
         AC_SUBST(SHOBJ_CFLAGS)
         AC_SUBST(SHOBJ_LD)
@@ -153,8 +225,11 @@ if test -f ${srcdir}/support/shobj-conf; then
         AC_SUBST(SHOBJ_STATUS)
 	AC_SUBST(SHLIB_STATUS)
 	AC_SUBST(SHLIB_XLDFLAGS)
+	AC_SUBST(SHLIB_DOT)
+	AC_SUBST(SHLIB_LIBPREF)
 	AC_SUBST(SHLIB_LIBSUFF)
 	AC_SUBST(SHLIB_LIBVERSION)
+	AC_SUBST(SHLIB_DLLVERSION)
 	AC_SUBST(SHLIB_LIBS)
         AC_MSG_RESULT($SHLIB_STATUS)
 
@@ -191,6 +266,12 @@ msdosdjgpp*)	BUILD_DIR=`pwd.exe` ;;	# to prevent //d/path/file
 *)		BUILD_DIR=`pwd` ;;
 esac
 
+case "$BUILD_DIR" in
+*\ *)	BUILD_DIR=`echo "$BUILD_DIR" | sed 's: :\\\\ :g'` ;;
+*)	;;
+esac
+
+AC_SUBST(PURIFY)
 AC_SUBST(BUILD_DIR)
 
 AC_SUBST(CFLAGS)
diff --git a/cmd-line-utils/readline/display.c b/cmd-line-utils/readline/display.c
index 06cac3bfd32..47ff0615974 100644
--- a/cmd-line-utils/readline/display.c
+++ b/cmd-line-utils/readline/display.c
@@ -1,6 +1,6 @@
 /* display.c -- readline redisplay facility. */
 
-/* Copyright (C) 1987-2004 Free Software Foundation, Inc.
+/* Copyright (C) 1987-2006 Free Software Foundation, Inc.
 
    This file is part of the GNU Readline Library, a library for
    reading lines of text with interactive input and history editing.
@@ -21,16 +21,12 @@
    59 Temple Place, Suite 330, Boston, MA 02111 USA. */
 #define READLINE_LIBRARY
 
-#ifndef _XOPEN_SOURCE
-#define _XOPEN_SOURCE 500
+#if defined (HAVE_CONFIG_H)
+#  include <config.h>
 #endif
 
-#include "config_readline.h"
-
 #include <sys/types.h>
 
-/* To get SuSE 9.3 to define wcwidth() (in wchar.h) */
-
 #if defined (HAVE_UNISTD_H)
 #  include <unistd.h>
 #endif /* HAVE_UNISTD_H */
@@ -63,10 +59,6 @@
 extern char *strchr (), *strrchr ();
 #endif /* !strchr && !__STDC__ */
 
-#if defined (HACK_TERMCAP_MOTION)
-extern char *_rl_term_forward_char;
-#endif
-
 static void update_line PARAMS((char *, char *, int, int, int, int));
 static void space_to_eol PARAMS((int));
 static void delete_chars PARAMS((int));
@@ -84,9 +76,18 @@ static int *inv_lbreaks, *vis_lbreaks;
 static int inv_lbsize, vis_lbsize;
 
 /* Heuristic used to decide whether it is faster to move from CUR to NEW
-   by backing up or outputting a carriage return and moving forward. */
+   by backing up or outputting a carriage return and moving forward.  CUR
+   and NEW are either both buffer positions or absolute screen positions. */
 #define CR_FASTER(new, cur) (((new) + 1) < ((cur) - (new)))
 
+/* _rl_last_c_pos is an absolute cursor position in multibyte locales and a
+   buffer index in others.  This macro is used when deciding whether the
+   current cursor position is in the middle of a prompt string containing
+   invisible characters. */
+#define PROMPT_ENDING_INDEX \
+  ((MB_CUR_MAX > 1 && rl_byte_oriented == 0) ? prompt_physical_chars : prompt_last_invisible+1)
+  
+
 /* **************************************************************** */
 /*								    */
 /*			Display stuff				    */
@@ -122,16 +123,25 @@ rl_voidfunc_t *rl_redisplay_function = rl_redisplay;
 int rl_display_fixed = 0;
 
 int _rl_suppress_redisplay = 0;
+int _rl_want_redisplay = 0;
 
 /* The stuff that gets printed out before the actual text of the line.
    This is usually pointing to rl_prompt. */
 char *rl_display_prompt = (char *)NULL;
 
 /* Pseudo-global variables declared here. */
+
 /* The visible cursor position.  If you print some text, adjust this. */
+/* NOTE: _rl_last_c_pos is used as a buffer index when not in a locale
+   supporting multibyte characters, and an absolute cursor position when
+   in such a locale.  This is an artifact of the donated multibyte support.
+   Care must be taken when modifying its value. */
 int _rl_last_c_pos = 0;
 int _rl_last_v_pos = 0;
 
+static int cpos_adjusted;
+static int cpos_buffer_position;
+
 /* Number of lines currently on screen minus 1. */
 int _rl_vis_botlin = 0;
 
@@ -158,6 +168,7 @@ static int line_size = 1024;
    include invisible characters. */
 
 static char *local_prompt, *local_prompt_prefix;
+static int local_prompt_len;
 static int prompt_visible_length, prompt_prefix_length;
 
 /* The number of invisible characters in the line currently being
@@ -184,6 +195,19 @@ static int prompt_last_screen_line;
 
 static int prompt_physical_chars;
 
+/* Variables to save and restore prompt and display information. */
+
+/* These are getting numerous enough that it's time to create a struct. */
+
+static char *saved_local_prompt;
+static char *saved_local_prefix;
+static int saved_last_invisible;
+static int saved_visible_length;
+static int saved_prefix_length;
+static int saved_local_length;
+static int saved_invis_chars_first_line;
+static int saved_physical_chars;
+
 /* Expand the prompt string S and return the number of visible
    characters in *LP, if LP is not null.  This is currently more-or-less
    a placeholder for expansion.  LIP, if non-null is a place to store the
@@ -204,8 +228,8 @@ expand_prompt (pmt, lp, lip, niflp, vlp)
      char *pmt;
      int *lp, *lip, *niflp, *vlp;
 {
-  char *r, *ret, *p;
-  int l, rl, last, ignoring, ninvis, invfl, ind, pind, physchars;
+  char *r, *ret, *p, *igstart;
+  int l, rl, last, ignoring, ninvis, invfl, invflset, ind, pind, physchars;
 
   /* Short-circuit if we can. */
   if ((MB_CUR_MAX <= 1 || rl_byte_oriented) && strchr (pmt, RL_PROMPT_START_IGNORE) == 0)
@@ -218,7 +242,7 @@ expand_prompt (pmt, lp, lip, niflp, vlp)
       if (niflp)
 	*niflp = 0;
       if (vlp)
-	*vlp = lp ? *lp : (int) strlen (r);
+	*vlp = lp ? *lp : strlen (r);
       return r;
     }
 
@@ -226,20 +250,24 @@ expand_prompt (pmt, lp, lip, niflp, vlp)
   r = ret = (char *)xmalloc (l + 1);
 
   invfl = 0;	/* invisible chars in first line of prompt */
+  invflset = 0;	/* we only want to set invfl once */
 
+  igstart = 0;
   for (rl = ignoring = last = ninvis = physchars = 0, p = pmt; p && *p; p++)
     {
       /* This code strips the invisible character string markers
 	 RL_PROMPT_START_IGNORE and RL_PROMPT_END_IGNORE */
-      if (*p == RL_PROMPT_START_IGNORE)
+      if (ignoring == 0 && *p == RL_PROMPT_START_IGNORE)		/* XXX - check ignoring? */
 	{
-	  ignoring++;
+	  ignoring = 1;
+	  igstart = p;
 	  continue;
 	}
       else if (ignoring && *p == RL_PROMPT_END_IGNORE)
 	{
 	  ignoring = 0;
-	  last = r - ret - 1;
+	  if (p != (igstart + 1))
+	    last = r - ret - 1;
 	  continue;
 	}
       else
@@ -253,7 +281,10 @@ expand_prompt (pmt, lp, lip, niflp, vlp)
 	      while (l--)
 	        *r++ = *p++;
 	      if (!ignoring)
-		rl += ind - pind;
+		{
+		  rl += ind - pind;
+		  physchars += _rl_col_width (pmt, pind, ind);
+		}
 	      else
 		ninvis += ind - pind;
 	      p--;			/* compensate for later increment */
@@ -263,16 +294,19 @@ expand_prompt (pmt, lp, lip, niflp, vlp)
 	    {
 	      *r++ = *p;
 	      if (!ignoring)
-		rl++;			/* visible length byte counter */
+		{
+		  rl++;			/* visible length byte counter */
+		  physchars++;
+		}
 	      else
 		ninvis++;		/* invisible chars byte counter */
 	    }
 
-	  if (rl >= _rl_screenwidth)
-	    invfl = ninvis;
-
-	  if (ignoring == 0)
-	    physchars++;
+	  if (invflset == 0 && rl >= _rl_screenwidth)
+	    {
+	      invfl = ninvis;
+	      invflset = 1;
+	    }
 	}
     }
 
@@ -332,7 +366,9 @@ rl_expand_prompt (prompt)
   FREE (local_prompt_prefix);
 
   local_prompt = local_prompt_prefix = (char *)0;
-  prompt_last_invisible = prompt_visible_length = 0;
+  local_prompt_len = 0;
+  prompt_last_invisible = prompt_invis_chars_first_line = 0;
+  prompt_visible_length = prompt_physical_chars = 0;
 
   if (prompt == 0 || *prompt == 0)
     return (0);
@@ -346,6 +382,7 @@ rl_expand_prompt (prompt)
 					    &prompt_invis_chars_first_line,
 					    &prompt_physical_chars);
       local_prompt_prefix = (char *)0;
+      local_prompt_len = local_prompt ? strlen (local_prompt) : 0;
       return (prompt_visible_length);
     }
   else
@@ -355,15 +392,16 @@ rl_expand_prompt (prompt)
       local_prompt = expand_prompt (p, &prompt_visible_length,
 				       &prompt_last_invisible,
 				       (int *)NULL,
-				       (int *)NULL);
+				       &prompt_physical_chars);
       c = *t; *t = '\0';
       /* The portion of the prompt string up to and including the
 	 final newline is now null-terminated. */
       local_prompt_prefix = expand_prompt (prompt, &prompt_prefix_length,
 						   (int *)NULL,
 						   &prompt_invis_chars_first_line,
-						   &prompt_physical_chars);
+						   (int *)NULL);
       *t = c;
+      local_prompt_len = local_prompt ? strlen (local_prompt) : 0;
       return (prompt_prefix_length);
     }
 }
@@ -420,13 +458,13 @@ rl_redisplay ()
 {
   register int in, out, c, linenum, cursor_linenum;
   register char *line;
-  int c_pos, inv_botlin, lb_botlin, lb_linenum;
-  int newlines, lpos, temp, modmark;
+  int inv_botlin, lb_botlin, lb_linenum, o_cpos;
+  int newlines, lpos, temp, modmark, n0, num;
   char *prompt_this_line;
 #if defined (HANDLE_MULTIBYTE)
   wchar_t wc;
   size_t wc_bytes;
-  int wc_width= 0;
+  int wc_width;
   mbstate_t ps;
   int _rl_wrapped_multicolumn = 0;
 #endif
@@ -435,16 +473,16 @@ rl_redisplay ()
     return;
 
   if (!rl_display_prompt)
-    rl_display_prompt = (char*) "";
+    rl_display_prompt = "";
 
-  if (invisible_line == 0)
+  if (invisible_line == 0 || vis_lbreaks == 0)
     {
       init_line_structures (0);
       rl_on_new_line ();
     }
 
   /* Draw the line into the buffer. */
-  c_pos = -1;
+  cpos_buffer_position = -1;
 
   line = invisible_line;
   out = inv_botlin = 0;
@@ -471,24 +509,23 @@ rl_redisplay ()
      number of non-visible characters in the prompt string. */
   if (rl_display_prompt == rl_prompt || local_prompt)
     {
-      int local_len = local_prompt ? strlen (local_prompt) : 0;
       if (local_prompt_prefix && forced_display)
 	_rl_output_some_chars (local_prompt_prefix, strlen (local_prompt_prefix));
 
-      if (local_len > 0)
+      if (local_prompt_len > 0)
 	{
-	  temp = local_len + out + 2;
+	  temp = local_prompt_len + out + 2;
 	  if (temp >= line_size)
 	    {
 	      line_size = (temp + 1024) - (temp % 1024);
 	      visible_line = (char *)xrealloc (visible_line, line_size);
 	      line = invisible_line = (char *)xrealloc (invisible_line, line_size);
 	    }
-	  strncpy (line + out, local_prompt, local_len);
-	  out += local_len;
+	  strncpy (line + out, local_prompt, local_prompt_len);
+	  out += local_prompt_len;
 	}
       line[out] = '\0';
-      wrap_offset = local_len - prompt_visible_length;
+      wrap_offset = local_prompt_len - prompt_visible_length;
     }
   else
     {
@@ -524,17 +561,6 @@ rl_redisplay ()
       wrap_offset = prompt_invis_chars_first_line = 0;
     }
 
-#if defined (HANDLE_MULTIBYTE)	  
-#define CHECK_INV_LBREAKS() \
-      do { \
-	if (newlines >= (inv_lbsize - 2)) \
-	  { \
-	    inv_lbsize *= 2; \
-	    inv_lbreaks = (int *)xrealloc (inv_lbreaks, inv_lbsize * sizeof (int)); \
-            _rl_wrapped_line = (int *)xrealloc (_rl_wrapped_line, inv_lbsize * sizeof (int)); \
-	  } \
-      } while (0)
-#else
 #define CHECK_INV_LBREAKS() \
       do { \
 	if (newlines >= (inv_lbsize - 2)) \
@@ -543,7 +569,6 @@ rl_redisplay ()
 	    inv_lbreaks = (int *)xrealloc (inv_lbreaks, inv_lbsize * sizeof (int)); \
 	  } \
       } while (0)
-#endif
 
 #if defined (HANDLE_MULTIBYTE)	  
 #define CHECK_LPOS() \
@@ -589,6 +614,7 @@ rl_redisplay ()
 
 #if defined (HANDLE_MULTIBYTE)
   memset (_rl_wrapped_line, 0, vis_lbsize);
+  num = 0;
 #endif
 
   /* prompt_invis_chars_first_line is the number of invisible characters in
@@ -600,6 +626,7 @@ rl_redisplay ()
      contents of the command line? */
   while (lpos >= _rl_screenwidth)
     {
+      int z;
       /* fix from Darin Johnson <darin@acuson.com> for prompt string with
          invisible characters that is longer than the screen width.  The
          prompt_invis_chars_first_line variable could be made into an array
@@ -607,19 +634,47 @@ rl_redisplay ()
          probably too much work for the benefit gained.  How many people have
          prompts that exceed two physical lines?
          Additional logic fix from Edward Catmur <ed@catmur.co.uk> */
-      temp = ((newlines + 1) * _rl_screenwidth) +
-             ((local_prompt_prefix == 0) ? ((newlines == 0) ? prompt_invis_chars_first_line
-							    : ((newlines == 1) ? wrap_offset : 0))
-					 : ((newlines == 0) ? wrap_offset :0));
+#if defined (HANDLE_MULTIBYTE)
+      if (MB_CUR_MAX > 1 && rl_byte_oriented == 0)
+	{
+	  n0 = num;
+          temp = local_prompt_len;
+          while (num < temp)
+	    {
+	      z = _rl_col_width  (local_prompt, n0, num);
+	      if (z > _rl_screenwidth)
+		{
+	          num = _rl_find_prev_mbchar (local_prompt, num, MB_FIND_ANY);
+	          break;
+		}
+	      else if (z == _rl_screenwidth)
+	        break;
+	      num++;
+	    }
+          temp = num;
+	}
+      else
+#endif /* !HANDLE_MULTIBYTE */
+	temp = ((newlines + 1) * _rl_screenwidth);
+
+      /* Now account for invisible characters in the current line. */
+      temp += ((local_prompt_prefix == 0) ? ((newlines == 0) ? prompt_invis_chars_first_line
+							     : ((newlines == 1) ? wrap_offset : 0))
+					  : ((newlines == 0) ? wrap_offset :0));
              
       inv_lbreaks[++newlines] = temp;
-      lpos -= _rl_screenwidth;
+#if defined (HANDLE_MULTIBYTE)
+      if (MB_CUR_MAX > 1 && rl_byte_oriented == 0)
+	lpos -= _rl_col_width (local_prompt, n0, num);
+      else
+#endif
+	lpos -= _rl_screenwidth;
     }
 
   prompt_last_screen_line = newlines;
 
   /* Draw the rest of the line (after the prompt) into invisible_line, keeping
-     track of where the cursor is (c_pos), the number of the line containing
+     track of where the cursor is (cpos_buffer_position), the number of the line containing
      the cursor (lb_linenum), the last line number (lb_botlin and inv_botlin).
      It maintains an array of line breaks for display (inv_lbreaks).
      This handles expanding tabs for display and displaying meta characters. */
@@ -672,7 +727,7 @@ rl_redisplay ()
 
       if (in == rl_point)
 	{
-	  c_pos = out;
+	  cpos_buffer_position = out;
 	  lb_linenum = newlines;
 	}
 
@@ -766,10 +821,10 @@ rl_redisplay ()
 		  }
 	      if (in == rl_point)
 		{
-		  c_pos = out;
+		  cpos_buffer_position = out;
 		  lb_linenum = newlines;
 		}
-	      for (i = in; i < (int) (in+wc_bytes); i++)
+	      for (i = in; i < in+wc_bytes; i++)
 		line[out++] = rl_line_buffer[i];
 	      for (i = 0; i < wc_width; i++)
 		CHECK_LPOS();
@@ -797,9 +852,9 @@ rl_redisplay ()
 
     }
   line[out] = '\0';
-  if (c_pos < 0)
+  if (cpos_buffer_position < 0)
     {
-      c_pos = out;
+      cpos_buffer_position = out;
       lb_linenum = newlines;
     }
 
@@ -808,7 +863,7 @@ rl_redisplay ()
   inv_lbreaks[newlines+1] = out;
   cursor_linenum = lb_linenum;
 
-  /* C_POS == position in buffer where cursor should be placed.
+  /* CPOS_BUFFER_POSITION == position in buffer where cursor should be placed.
      CURSOR_LINENUM == line number where the cursor should be placed. */
 
   /* PWP: now is when things get a bit hairy.  The visible and invisible
@@ -822,7 +877,7 @@ rl_redisplay ()
 
   if (_rl_horizontal_scroll_mode == 0 && _rl_term_up && *_rl_term_up)
     {
-      int nleft, pos, changed_screen_line;
+      int nleft, pos, changed_screen_line, tx;
 
       if (!rl_display_fixed || forced_display)
 	{
@@ -847,15 +902,38 @@ rl_redisplay ()
 #define VIS_LLEN(l)	((l) > _rl_vis_botlin ? 0 : (vis_lbreaks[l+1] - vis_lbreaks[l]))
 #define INV_LLEN(l)	(inv_lbreaks[l+1] - inv_lbreaks[l])
 #define VIS_CHARS(line) (visible_line + vis_lbreaks[line])
-#define VIS_LINE(line) ((line) > _rl_vis_botlin) ? (char*) "" : VIS_CHARS(line)
+#define VIS_LINE(line) ((line) > _rl_vis_botlin) ? "" : VIS_CHARS(line)
 #define INV_LINE(line) (invisible_line + inv_lbreaks[line])
 
 	  /* For each line in the buffer, do the updating display. */
 	  for (linenum = 0; linenum <= inv_botlin; linenum++)
 	    {
+	      /* This can lead us astray if we execute a program that changes
+		 the locale from a non-multibyte to a multibyte one. */
+	      o_cpos = _rl_last_c_pos;
+	      cpos_adjusted = 0;
 	      update_line (VIS_LINE(linenum), INV_LINE(linenum), linenum,
 			   VIS_LLEN(linenum), INV_LLEN(linenum), inv_botlin);
 
+	      /* update_line potentially changes _rl_last_c_pos, but doesn't
+		 take invisible characters into account, since _rl_last_c_pos
+		 is an absolute cursor position in a multibyte locale.  See
+		 if compensating here is the right thing, or if we have to
+		 change update_line itself.  There is one case in which
+		 update_line adjusts _rl_last_c_pos itself (so it can pass
+		 _rl_move_cursor_relative accurate values); it communicates
+		 this back by setting cpos_adjusted.  If we assume that
+		 _rl_last_c_pos is correct (an absolute cursor position) each
+		 time update_line is called, then we can assume in our
+		 calculations that o_cpos does not need to be adjusted by
+		 wrap_offset. */
+	      if (linenum == 0 && (MB_CUR_MAX > 1 && rl_byte_oriented == 0) &&
+		  cpos_adjusted == 0 &&
+		  _rl_last_c_pos != o_cpos &&
+		  _rl_last_c_pos > wrap_offset &&
+		  o_cpos < prompt_last_invisible)
+		_rl_last_c_pos -= wrap_offset;
+		  
 	      /* If this is the line with the prompt, we might need to
 		 compensate for invisible characters in the new line. Do
 		 this only if there is not more than one new line (which
@@ -867,7 +945,10 @@ rl_redisplay ()
 		  (wrap_offset > visible_wrap_offset) &&
 		  (_rl_last_c_pos < visible_first_line_len))
 		{
-		  nleft = _rl_screenwidth + wrap_offset - _rl_last_c_pos;
+		  if (MB_CUR_MAX > 1 && rl_byte_oriented == 0)
+		    nleft = _rl_screenwidth - _rl_last_c_pos;
+		  else
+		    nleft = _rl_screenwidth + wrap_offset - _rl_last_c_pos;
 		  if (nleft)
 		    _rl_clear_to_eol (nleft);
 		}
@@ -888,7 +969,7 @@ rl_redisplay ()
 		  _rl_move_vert (linenum);
 		  _rl_move_cursor_relative (0, tt);
 		  _rl_clear_to_eol
-		    ((linenum == _rl_vis_botlin) ? (int) strlen (tt) : _rl_screenwidth);
+		    ((linenum == _rl_vis_botlin) ? strlen (tt) : _rl_screenwidth);
 		}
 	    }
 	  _rl_vis_botlin = inv_botlin;
@@ -903,7 +984,7 @@ rl_redisplay ()
 		 the physical cursor position on the screen stays the same,
 		 but the buffer position needs to be adjusted to account
 		 for invisible characters. */
-	      if (cursor_linenum == 0 && wrap_offset)
+	      if ((MB_CUR_MAX == 1 || rl_byte_oriented) && cursor_linenum == 0 && wrap_offset)
 		_rl_last_c_pos += wrap_offset;
 	    }
 
@@ -914,7 +995,11 @@ rl_redisplay ()
 	     invisible character in the prompt string. */
 	  nleft = prompt_visible_length + wrap_offset;
 	  if (cursor_linenum == 0 && wrap_offset > 0 && _rl_last_c_pos > 0 &&
-	      _rl_last_c_pos <= prompt_last_invisible && local_prompt)
+#if 0
+	      _rl_last_c_pos <= PROMPT_ENDING_INDEX && local_prompt)
+#else
+	      _rl_last_c_pos < PROMPT_ENDING_INDEX && local_prompt)
+#endif
 	    {
 #if defined (__MSDOS__)
 	      putc ('\r', rl_outstream);
@@ -924,7 +1009,7 @@ rl_redisplay ()
 #endif
 	      _rl_output_some_chars (local_prompt, nleft);
 	      if (MB_CUR_MAX > 1 && rl_byte_oriented == 0)
-		_rl_last_c_pos = _rl_col_width (local_prompt, 0, nleft);
+		_rl_last_c_pos = _rl_col_width (local_prompt, 0, nleft) - wrap_offset;
 	      else
 		_rl_last_c_pos = nleft;
 	    }
@@ -933,21 +1018,35 @@ rl_redisplay ()
 	     in the buffer? */
 	  pos = inv_lbreaks[cursor_linenum];
 	  /* nleft == number of characters in the line buffer between the
-	     start of the line and the cursor position. */
-	  nleft = c_pos - pos;
+	     start of the line and the desired cursor position. */
+	  nleft = cpos_buffer_position - pos;
+
+	  /* NLEFT is now a number of characters in a buffer.  When in a
+	     multibyte locale, however, _rl_last_c_pos is an absolute cursor
+	     position that doesn't take invisible characters in the prompt
+	     into account.  We use a fudge factor to compensate. */
 
 	  /* Since _rl_backspace() doesn't know about invisible characters in the
 	     prompt, and there's no good way to tell it, we compensate for
 	     those characters here and call _rl_backspace() directly. */
 	  if (wrap_offset && cursor_linenum == 0 && nleft < _rl_last_c_pos)
 	    {
-	      _rl_backspace (_rl_last_c_pos - nleft);
+	      /* TX == new physical cursor position in multibyte locale. */
 	      if (MB_CUR_MAX > 1 && rl_byte_oriented == 0)
-		_rl_last_c_pos = _rl_col_width (&visible_line[pos], 0, nleft);
+		tx = _rl_col_width (&visible_line[pos], 0, nleft) - visible_wrap_offset;
 	      else
-		_rl_last_c_pos = nleft;
+		tx = nleft;
+	      if (_rl_last_c_pos > tx)
+		{
+	          _rl_backspace (_rl_last_c_pos - tx);	/* XXX */
+	          _rl_last_c_pos = tx;
+		}
 	    }
 
+	  /* We need to note that in a multibyte locale we are dealing with
+	     _rl_last_c_pos as an absolute cursor position, but moving to a
+	     point specified by a buffer position (NLEFT) that doesn't take
+	     invisible characters into account. */
 	  if (MB_CUR_MAX > 1 && rl_byte_oriented == 0)
 	    _rl_move_cursor_relative (nleft, &invisible_line[pos]);
 	  else if (nleft != _rl_last_c_pos)
@@ -966,11 +1065,11 @@ rl_redisplay ()
 	 will be LMARGIN. */
 
       /* The number of characters that will be displayed before the cursor. */
-      ndisp = c_pos - wrap_offset;
+      ndisp = cpos_buffer_position - wrap_offset;
       nleft  = prompt_visible_length + wrap_offset;
       /* Where the new cursor position will be on the screen.  This can be
 	 longer than SCREENWIDTH; if it is, lmargin will be adjusted. */
-      phys_c_pos = c_pos - (last_lmargin ? last_lmargin : wrap_offset);
+      phys_c_pos = cpos_buffer_position - (last_lmargin ? last_lmargin : wrap_offset);
       t = _rl_screenwidth / 3;
 
       /* If the number of characters had already exceeded the screenwidth,
@@ -981,7 +1080,7 @@ rl_redisplay ()
 	 two-thirds of the way across the screen. */
       if (phys_c_pos > _rl_screenwidth - 2)
 	{
-	  lmargin = c_pos - (2 * t);
+	  lmargin = cpos_buffer_position - (2 * t);
 	  if (lmargin < 0)
 	    lmargin = 0;
 	  /* If the left margin would be in the middle of a prompt with
@@ -995,7 +1094,7 @@ rl_redisplay ()
 	{
 	  /* If we are moving back towards the beginning of the line and
 	     the last margin is no longer correct, compute a new one. */
-	  lmargin = ((c_pos - 1) / t) * t;	/* XXX */
+	  lmargin = ((cpos_buffer_position - 1) / t) * t;	/* XXX */
 	  if (wrap_offset && lmargin > 0 && lmargin < nleft)
 	    lmargin = nleft;
 	}
@@ -1040,7 +1139,7 @@ rl_redisplay ()
 	  if (visible_first_line_len > _rl_screenwidth)
 	    visible_first_line_len = _rl_screenwidth;
 
-	  _rl_move_cursor_relative (c_pos - lmargin, &invisible_line[lmargin]);
+	  _rl_move_cursor_relative (cpos_buffer_position - lmargin, &invisible_line[lmargin]);
 	  last_lmargin = lmargin;
 	}
     }
@@ -1106,7 +1205,10 @@ update_line (old, new, current_line, omax, nmax, inv_botlin)
      the exact cursor position and cut-and-paste with certain terminal
      emulators.  In this calculation, TEMP is the physical screen
      position of the cursor. */
-  temp = _rl_last_c_pos - W_OFFSET(_rl_last_v_pos, visible_wrap_offset);
+  if (MB_CUR_MAX > 1 && rl_byte_oriented == 0)
+    temp = _rl_last_c_pos;
+  else
+    temp = _rl_last_c_pos - W_OFFSET(_rl_last_v_pos, visible_wrap_offset);
   if (temp == _rl_screenwidth && _rl_term_autowrap && !_rl_horizontal_scroll_mode
 	&& _rl_last_v_pos == current_line - 1)
     {
@@ -1171,7 +1273,7 @@ update_line (old, new, current_line, omax, nmax, inv_botlin)
 	    putc (new[0], rl_outstream);
 	  else
 	    putc (' ', rl_outstream);
-	  _rl_last_c_pos = 1;		/* XXX */
+	  _rl_last_c_pos = 1;
 	  _rl_last_v_pos++;
 	  if (old[0] && new[0])
 	    old[0] = new[0];
@@ -1312,7 +1414,7 @@ update_line (old, new, current_line, omax, nmax, inv_botlin)
   if (_rl_last_v_pos != current_line)
     {
       _rl_move_vert (current_line);
-      if (current_line == 0 && visible_wrap_offset)
+      if ((MB_CUR_MAX == 1 || rl_byte_oriented) && current_line == 0 && visible_wrap_offset)
 	_rl_last_c_pos += visible_wrap_offset;
     }
 
@@ -1328,11 +1430,11 @@ update_line (old, new, current_line, omax, nmax, inv_botlin)
      sequences (like drawing the `unbold' sequence without a corresponding
      `bold') that manifests itself on certain terminals. */
 
-  lendiff = local_prompt ? strlen (local_prompt) : 0;
+  lendiff = local_prompt_len;
   od = ofd - old;	/* index of first difference in visible line */
   if (current_line == 0 && !_rl_horizontal_scroll_mode &&
       _rl_term_cr && lendiff > prompt_visible_length && _rl_last_c_pos > 0 &&
-      od >= lendiff && _rl_last_c_pos <= prompt_last_invisible)
+      od >= lendiff && _rl_last_c_pos < PROMPT_ENDING_INDEX)
     {
 #if defined (__MSDOS__)
       putc ('\r', rl_outstream);
@@ -1341,12 +1443,29 @@ update_line (old, new, current_line, omax, nmax, inv_botlin)
 #endif
       _rl_output_some_chars (local_prompt, lendiff);
       if (MB_CUR_MAX > 1 && rl_byte_oriented == 0)
-	_rl_last_c_pos = _rl_col_width (local_prompt, 0, lendiff);
+	{
+	  /* We take wrap_offset into account here so we can pass correct
+	     information to _rl_move_cursor_relative. */
+	  _rl_last_c_pos = _rl_col_width (local_prompt, 0, lendiff) - wrap_offset;
+	  cpos_adjusted = 1;
+	}
       else
 	_rl_last_c_pos = lendiff;
     }
 
+  /* When this function returns, _rl_last_c_pos is correct, and an absolute
+     cursor postion in multibyte mode, but a buffer index when not in a
+     multibyte locale. */
   _rl_move_cursor_relative (od, old);
+#if 1
+#if defined (HANDLE_MULTIBYTE)
+  /* We need to indicate that the cursor position is correct in the presence of
+     invisible characters in the prompt string.  Let's see if setting this when
+     we make sure we're at the end of the drawn prompt string works. */
+  if (current_line == 0 && MB_CUR_MAX > 1 && rl_byte_oriented == 0 && _rl_last_c_pos == prompt_physical_chars)
+    cpos_adjusted = 1;
+#endif
+#endif
 
   /* if (len (new) > len (old))
      lendiff == difference in buffer
@@ -1403,7 +1522,7 @@ update_line (old, new, current_line, omax, nmax, inv_botlin)
 	      insert_some_chars (nfd, lendiff, col_lendiff);
 	      _rl_last_c_pos += col_lendiff;
 	    }
-	  else if (*ols == 0 && lendiff > 0)
+	  else if ((MB_CUR_MAX == 1 || rl_byte_oriented != 0) && *ols == 0 && lendiff > 0)
 	    {
 	      /* At the end of a line the characters do not have to
 		 be "inserted".  They can just be placed on the screen. */
@@ -1442,6 +1561,10 @@ update_line (old, new, current_line, omax, nmax, inv_botlin)
 	  /* cannot insert chars, write to EOL */
 	  _rl_output_some_chars (nfd, temp);
 	  _rl_last_c_pos += col_temp;
+	  /* If we're in a multibyte locale and were before the last invisible
+	     char in the current line (which implies we just output some invisible
+	     characters) we need to adjust _rl_last_c_pos, since it represents
+	     a physical character position. */
 	}
     }
   else				/* Delete characters from line. */
@@ -1473,7 +1596,7 @@ update_line (old, new, current_line, omax, nmax, inv_botlin)
 	  if (temp > 0)
 	    {
 	      _rl_output_some_chars (nfd, temp);
-	      _rl_last_c_pos += col_temp;
+	      _rl_last_c_pos += col_temp;		/* XXX */
 	    }
 	  lendiff = (oe - old) - (ne - new);
 	  if (MB_CUR_MAX > 1 && rl_byte_oriented == 0)
@@ -1535,7 +1658,7 @@ rl_on_new_line_with_prompt ()
 
   l = strlen (prompt_last_line);
   if (MB_CUR_MAX > 1 && rl_byte_oriented == 0)
-    _rl_last_c_pos = _rl_col_width (prompt_last_line, 0, l);
+    _rl_last_c_pos = _rl_col_width (prompt_last_line, 0, l);	/* XXX */
   else
     _rl_last_c_pos = l;
 
@@ -1570,10 +1693,11 @@ rl_on_new_line_with_prompt ()
 int
 rl_forced_update_display ()
 {
+  register char *temp;
+
   if (visible_line)
     {
-      register char *temp = visible_line;
-
+      temp = visible_line;
       while (*temp)
 	*temp++ = '\0';
     }
@@ -1584,6 +1708,8 @@ rl_forced_update_display ()
 }
 
 /* Move the cursor from _rl_last_c_pos to NEW, which are buffer indices.
+   (Well, when we don't have multibyte characters, _rl_last_c_pos is a
+   buffer index.)
    DATA is the contents of the screen line of interest; i.e., where
    the movement is being done. */
 void
@@ -1592,29 +1718,47 @@ _rl_move_cursor_relative (new, data)
      const char *data;
 {
   register int i;
+  int woff;			/* number of invisible chars on current line */
+  int cpos, dpos;		/* current and desired cursor positions */
 
-  /* If we don't have to do anything, then return. */
+  woff = W_OFFSET (_rl_last_v_pos, wrap_offset);
+  cpos = _rl_last_c_pos;
 #if defined (HANDLE_MULTIBYTE)
   /* If we have multibyte characters, NEW is indexed by the buffer point in
      a multibyte string, but _rl_last_c_pos is the display position.  In
      this case, NEW's display position is not obvious and must be
-     calculated. */
-  if (MB_CUR_MAX == 1 || rl_byte_oriented)
+     calculated.  We need to account for invisible characters in this line,
+     as long as we are past them and they are counted by _rl_col_width. */
+  if (MB_CUR_MAX > 1 && rl_byte_oriented == 0)
     {
-      if (_rl_last_c_pos == new)
-	return;
+      dpos = _rl_col_width (data, 0, new);
+      if (dpos > prompt_last_invisible)		/* XXX - don't use woff here */
+	{
+	  dpos -= woff;
+	  /* Since this will be assigned to _rl_last_c_pos at the end (more
+	     precisely, _rl_last_c_pos == dpos when this function returns),
+	     let the caller know. */
+	  cpos_adjusted = 1;
+	}
     }
-  else if (_rl_last_c_pos == _rl_col_width (data, 0, new))
-    return;
-#else
-  if (_rl_last_c_pos == new) return;
+  else
 #endif
+    dpos = new;
+
+  /* If we don't have to do anything, then return. */
+  if (cpos == dpos)
+    return;
 
   /* It may be faster to output a CR, and then move forwards instead
      of moving backwards. */
   /* i == current physical cursor position. */
-  i = _rl_last_c_pos - W_OFFSET(_rl_last_v_pos, visible_wrap_offset);
-  if (new == 0 || CR_FASTER (new, _rl_last_c_pos) ||
+#if defined (HANDLE_MULTIBYTE)
+  if (MB_CUR_MAX > 1 && rl_byte_oriented == 0)
+    i = _rl_last_c_pos;
+  else
+#endif
+  i = _rl_last_c_pos - woff;
+  if (dpos == 0 || CR_FASTER (dpos, _rl_last_c_pos) ||
       (_rl_term_autowrap && i == _rl_screenwidth))
     {
 #if defined (__MSDOS__)
@@ -1622,10 +1766,10 @@ _rl_move_cursor_relative (new, data)
 #else
       tputs (_rl_term_cr, 1, _rl_output_character_function);
 #endif /* !__MSDOS__ */
-      _rl_last_c_pos = 0;
+      cpos = _rl_last_c_pos = 0;
     }
 
-  if (_rl_last_c_pos < new)
+  if (cpos < dpos)
     {
       /* Move the cursor forward.  We do it by printing the command
 	 to move the cursor forward if there is one, else print that
@@ -1636,67 +1780,43 @@ _rl_move_cursor_relative (new, data)
 	 sequence telling the terminal to move forward one character.
 	 That kind of control is for people who don't know what the
 	 data is underneath the cursor. */
-#if defined (HACK_TERMCAP_MOTION)
-      if (_rl_term_forward_char)
+
+      /* However, we need a handle on where the current display position is
+	 in the buffer for the immediately preceding comment to be true.
+	 In multibyte locales, we don't currently have that info available.
+	 Without it, we don't know where the data we have to display begins
+	 in the buffer and we have to go back to the beginning of the screen
+	 line.  In this case, we can use the terminal sequence to move forward
+	 if it's available. */
+      if (MB_CUR_MAX > 1 && rl_byte_oriented == 0)
 	{
-	  if (MB_CUR_MAX > 1 && rl_byte_oriented == 0)
+	  if (_rl_term_forward_char)
 	    {
-	      int width;
-	      width = _rl_col_width (data, _rl_last_c_pos, new);
-	      for (i = 0; i < width; i++)
-		tputs (_rl_term_forward_char, 1, _rl_output_character_function);
+	      for (i = cpos; i < dpos; i++)
+	        tputs (_rl_term_forward_char, 1, _rl_output_character_function);
 	    }
 	  else
 	    {
-	      for (i = _rl_last_c_pos; i < new; i++)
-		tputs (_rl_term_forward_char, 1, _rl_output_character_function);
+	      tputs (_rl_term_cr, 1, _rl_output_character_function);
+	      for (i = 0; i < new; i++)
+		putc (data[i], rl_outstream);
 	    }
 	}
-      else if (MB_CUR_MAX > 1 && rl_byte_oriented == 0)
-	{
-	  tputs (_rl_term_cr, 1, _rl_output_character_function);
-	  for (i = 0; i < new; i++)
-	    putc (data[i], rl_outstream);
-	}
       else
-	for (i = _rl_last_c_pos; i < new; i++)
+	for (i = cpos; i < new; i++)
 	  putc (data[i], rl_outstream);
-
-#else /* !HACK_TERMCAP_MOTION */
-
-      if (MB_CUR_MAX > 1 && rl_byte_oriented == 0)
-	{
-	  tputs (_rl_term_cr, 1, _rl_output_character_function);
-	  for (i = 0; i < new; i++)
-	    putc (data[i], rl_outstream);
-	}
-      else
-	for (i = _rl_last_c_pos; i < new; i++)
-	  putc (data[i], rl_outstream);
-
-#endif /* !HACK_TERMCAP_MOTION */
-
     }
+
 #if defined (HANDLE_MULTIBYTE)
   /* NEW points to the buffer point, but _rl_last_c_pos is the display point.
      The byte length of the string is probably bigger than the column width
      of the string, which means that if NEW == _rl_last_c_pos, then NEW's
      display point is less than _rl_last_c_pos. */
-  else if (_rl_last_c_pos >= new)
-#else
-  else if (_rl_last_c_pos > new)
 #endif
-    {
-      if (MB_CUR_MAX > 1 && rl_byte_oriented == 0)
-	_rl_backspace (_rl_last_c_pos - _rl_col_width (data, 0, new));
-      else
-	_rl_backspace (_rl_last_c_pos - new);
-    }
+  else if (cpos > dpos)
+    _rl_backspace (cpos - dpos);
 
-  if (MB_CUR_MAX > 1 && rl_byte_oriented == 0)
-    _rl_last_c_pos =  _rl_col_width (data, 0, new);
-  else
-    _rl_last_c_pos = new;
+  _rl_last_c_pos = dpos;
 }
 
 /* PWP: move the cursor up or down. */
@@ -1785,9 +1905,9 @@ rl_character_len (c, pos)
 
   return ((ISPRINT (uc)) ? 1 : 2);
 }
-
 /* How to print things in the "echo-area".  The prompt is treated as a
    mini-modeline. */
+static int msg_saved_prompt = 0;
 
 #if defined (USE_VARARGS)
 int
@@ -1818,8 +1938,20 @@ rl_message (va_alist)
 #endif
   va_end (args);
 
+  if (saved_local_prompt == 0)
+    {
+      rl_save_prompt ();
+      msg_saved_prompt = 1;
+    }
   rl_display_prompt = msg_buf;
+  local_prompt = expand_prompt (msg_buf, &prompt_visible_length,
+					 &prompt_last_invisible,
+					 &prompt_invis_chars_first_line,
+					 &prompt_physical_chars);
+  local_prompt_prefix = (char *)NULL;
+  local_prompt_len = local_prompt ? strlen (local_prompt) : 0;
   (*rl_redisplay_function) ();
+
   return 0;
 }
 #else /* !USE_VARARGS */
@@ -1829,8 +1961,21 @@ rl_message (format, arg1, arg2)
 {
   sprintf (msg_buf, format, arg1, arg2);
   msg_buf[sizeof(msg_buf) - 1] = '\0';	/* overflow? */
+
   rl_display_prompt = msg_buf;
+  if (saved_local_prompt == 0)
+    {
+      rl_save_prompt ();
+      msg_saved_prompt = 1;
+    }
+  local_prompt = expand_prompt (msg_buf, &prompt_visible_length,
+					 &prompt_last_invisible,
+					 &prompt_invis_chars_first_line,
+					 &prompt_physical_chars);
+  local_prompt_prefix = (char *)NULL;
+  local_prompt_len = local_prompt ? strlen (local_prompt) : 0;
   (*rl_redisplay_function) ();
+      
   return 0;
 }
 #endif /* !USE_VARARGS */
@@ -1840,6 +1985,11 @@ int
 rl_clear_message ()
 {
   rl_display_prompt = rl_prompt;
+  if (msg_saved_prompt)
+    {
+      rl_restore_prompt ();
+      msg_saved_prompt = 0;
+    }
   (*rl_redisplay_function) ();
   return 0;
 }
@@ -1849,32 +1999,26 @@ rl_reset_line_state ()
 {
   rl_on_new_line ();
 
-  rl_display_prompt = rl_prompt ? rl_prompt : (char*) "";
+  rl_display_prompt = rl_prompt ? rl_prompt : "";
   forced_display = 1;
   return 0;
 }
 
-/* These are getting numerous enough that it's time to create a struct. */
-
-static char *saved_local_prompt;
-static char *saved_local_prefix;
-static int saved_last_invisible;
-static int saved_visible_length;
-static int saved_invis_chars_first_line;
-static int saved_physical_chars;
-
 void
 rl_save_prompt ()
 {
   saved_local_prompt = local_prompt;
   saved_local_prefix = local_prompt_prefix;
+  saved_prefix_length = prompt_prefix_length;
+  saved_local_length = local_prompt_len;
   saved_last_invisible = prompt_last_invisible;
   saved_visible_length = prompt_visible_length;
   saved_invis_chars_first_line = prompt_invis_chars_first_line;
   saved_physical_chars = prompt_physical_chars;
 
   local_prompt = local_prompt_prefix = (char *)0;
-  prompt_last_invisible = prompt_visible_length = 0;
+  local_prompt_len = 0;
+  prompt_last_invisible = prompt_visible_length = prompt_prefix_length = 0;
   prompt_invis_chars_first_line = prompt_physical_chars = 0;
 }
 
@@ -1886,10 +2030,18 @@ rl_restore_prompt ()
 
   local_prompt = saved_local_prompt;
   local_prompt_prefix = saved_local_prefix;
+  local_prompt_len = saved_local_length;
+  prompt_prefix_length = saved_prefix_length;
   prompt_last_invisible = saved_last_invisible;
   prompt_visible_length = saved_visible_length;
   prompt_invis_chars_first_line = saved_invis_chars_first_line;
   prompt_physical_chars = saved_physical_chars;
+
+  /* can test saved_local_prompt to see if prompt info has been saved. */
+  saved_local_prompt = saved_local_prefix = (char *)0;
+  saved_local_length = 0;
+  saved_last_invisible = saved_visible_length = saved_prefix_length = 0;
+  saved_invis_chars_first_line = saved_physical_chars = 0;
 }
 
 char *
@@ -1897,11 +2049,15 @@ _rl_make_prompt_for_search (pchar)
      int pchar;
 {
   int len;
-  char *pmt;
+  char *pmt, *p;
 
   rl_save_prompt ();
 
-  if (saved_local_prompt == 0)
+  /* We've saved the prompt, and can do anything with the various prompt
+     strings we need before they're restored.  We want the unexpanded
+     portion of the prompt string after any final newline. */
+  p = rl_prompt ? strrchr (rl_prompt, '\n') : 0;
+  if (p == 0)
     {
       len = (rl_prompt && *rl_prompt) ? strlen (rl_prompt) : 0;
       pmt = (char *)xmalloc (len + 2);
@@ -1912,17 +2068,17 @@ _rl_make_prompt_for_search (pchar)
     }
   else
     {
-      len = *saved_local_prompt ? strlen (saved_local_prompt) : 0;
+      p++;
+      len = strlen (p);
       pmt = (char *)xmalloc (len + 2);
       if (len)
-	strcpy (pmt, saved_local_prompt);
+	strcpy (pmt, p);
       pmt[len] = pchar;
       pmt[len+1] = '\0';
-      local_prompt = savestring (pmt);
-      prompt_last_invisible = saved_last_invisible;
-      prompt_visible_length = saved_visible_length + 1;
-    }
+    }  
 
+  /* will be overwritten by expand_prompt, called from rl_message */
+  prompt_physical_chars = saved_physical_chars + 1;
   return pmt;
 }
 
@@ -1983,6 +2139,9 @@ insert_some_chars (string, count, col)
      char *string;
      int count, col;
 {
+#if defined (__MSDOS__) || defined (__MINGW32__)
+  _rl_output_some_chars (string, count);
+#else
   /* DEBUGGING */
   if (MB_CUR_MAX == 1 || rl_byte_oriented)
     if (count != col)
@@ -2021,6 +2180,7 @@ insert_some_chars (string, count, col)
       if (_rl_term_ei && *_rl_term_ei)
 	tputs (_rl_term_ei, 1, _rl_output_character_function);
     }
+#endif /* __MSDOS__ || __MINGW32__ */
 }
 
 /* Delete COUNT characters from the display line. */
@@ -2031,6 +2191,7 @@ delete_chars (count)
   if (count > _rl_screenwidth)	/* XXX */
     return;
 
+#if !defined (__MSDOS__) && !defined (__MINGW32__)
   if (_rl_term_DC && *_rl_term_DC)
     {
       char *buffer;
@@ -2043,6 +2204,7 @@ delete_chars (count)
 	while (count--)
 	  tputs (_rl_term_dc, 1, _rl_output_character_function);
     }
+#endif /* !__MSDOS__ && !__MINGW32__ */
 }
 
 void
@@ -2066,7 +2228,8 @@ _rl_update_final ()
       char *last_line;
 
       last_line = &visible_line[vis_lbreaks[_rl_vis_botlin]];
-      _rl_move_cursor_relative (_rl_screenwidth - 1, last_line);
+      cpos_buffer_position = -1;	/* don't know where we are in buffer */
+      _rl_move_cursor_relative (_rl_screenwidth - 1, last_line);	/* XXX */
       _rl_clear_to_eol (0);
       putc (last_line[_rl_screenwidth - 1], rl_outstream);
     }
@@ -2098,18 +2261,10 @@ static void
 redraw_prompt (t)
      char *t;
 {
-  char *oldp, *oldl, *oldlprefix;
-  int oldlen, oldlast, oldplen, oldninvis, oldphyschars;
+  char *oldp;
 
-  /* Geez, I should make this a struct. */
   oldp = rl_display_prompt;
-  oldl = local_prompt;
-  oldlprefix = local_prompt_prefix;
-  oldlen = prompt_visible_length;
-  oldplen = prompt_prefix_length;
-  oldlast = prompt_last_invisible;
-  oldninvis = prompt_invis_chars_first_line;
-  oldphyschars = prompt_physical_chars;
+  rl_save_prompt ();
 
   rl_display_prompt = t;
   local_prompt = expand_prompt (t, &prompt_visible_length,
@@ -2117,16 +2272,12 @@ redraw_prompt (t)
 				   &prompt_invis_chars_first_line,
 				   &prompt_physical_chars);
   local_prompt_prefix = (char *)NULL;
+  local_prompt_len = local_prompt ? strlen (local_prompt) : 0;
+
   rl_forced_update_display ();
 
   rl_display_prompt = oldp;
-  local_prompt = oldl;
-  local_prompt_prefix = oldlprefix;
-  prompt_visible_length = oldlen;
-  prompt_prefix_length = oldplen;
-  prompt_last_invisible = oldlast;
-  prompt_invis_chars_first_line = oldninvis;
-  prompt_physical_chars = oldphyschars;
+  rl_restore_prompt();
 }
       
 /* Redisplay the current line after a SIGWINCH is received. */
@@ -2230,10 +2381,11 @@ _rl_col_width (str, start, end)
   if (end <= start)
     return 0;
 
+  memset (&ps, 0, sizeof (mbstate_t));
+
   point = 0;
   max = end;
 
-  memset (&ps, 0, sizeof(ps));
   while (point < start)
     {
       tmp = mbrlen (str + point, max, &ps);
diff --git a/cmd-line-utils/readline/funmap.c b/cmd-line-utils/readline/funmap.c
index d56ffb9fadc..9c760cc3475 100644
--- a/cmd-line-utils/readline/funmap.c
+++ b/cmd-line-utils/readline/funmap.c
@@ -21,7 +21,9 @@
    59 Temple Place, Suite 330, Boston, MA 02111 USA. */
 #define READLINE_LIBRARY
 
-#include "config_readline.h"
+#if defined (HAVE_CONFIG_H)
+#  include <config.h>
+#endif
 
 #if !defined (BUFSIZ)
 #include <stdio.h>
@@ -174,6 +176,7 @@ static FUNMAP default_funmap[] = {
   { "vi-put", rl_vi_put },
   { "vi-redo", rl_vi_redo },
   { "vi-replace", rl_vi_replace },
+  { "vi-rubout", rl_vi_rubout },
   { "vi-search", rl_vi_search },
   { "vi-search-again", rl_vi_search_again },
   { "vi-set-mark", rl_vi_set_mark },
diff --git a/cmd-line-utils/readline/histexpand.c b/cmd-line-utils/readline/histexpand.c
index 0a45438990a..f46c0b2a45d 100644
--- a/cmd-line-utils/readline/histexpand.c
+++ b/cmd-line-utils/readline/histexpand.c
@@ -22,7 +22,9 @@
 
 #define READLINE_LIBRARY
 
-#include "config_readline.h"
+#if defined (HAVE_CONFIG_H)
+#  include <config.h>
+#endif
 
 #include <stdio.h>
 
@@ -54,8 +56,6 @@
 
 typedef int _hist_search_func_t PARAMS((const char *, int));
 
-extern int rl_byte_oriented;	/* declared in mbutil.c */
-
 static char error_pointer;
 
 static char *subst_lhs;
@@ -87,14 +87,14 @@ char history_comment_char = '\0';
 
 /* The list of characters which inhibit the expansion of text if found
    immediately following history_expansion_char. */
-char *history_no_expand_chars = (char*) " \t\n\r=";
+char *history_no_expand_chars = " \t\n\r=";
 
 /* If set to a non-zero value, single quotes inhibit history expansion.
    The default is 0. */
 int history_quotes_inhibit_expansion = 0;
 
 /* Used to split words by history_tokenize_internal. */
-char *history_word_delimiters = (char*) HISTORY_WORD_DELIMITERS;
+char *history_word_delimiters = HISTORY_WORD_DELIMITERS;
 
 /* If set, this points to a function that is called to verify that a
    particular history expansion should be performed. */
@@ -203,24 +203,25 @@ get_history_event (string, caller_index, delimiting_quote)
     }
 
   /* Only a closing `?' or a newline delimit a substring search string. */
-  for (local_index = i; (c = string[i]); i++)
+  for (local_index = i; c = string[i]; i++)
+    {
 #if defined (HANDLE_MULTIBYTE)
-    if (MB_CUR_MAX > 1 && rl_byte_oriented == 0)
-      {
-	int v;
-	mbstate_t ps;
+      if (MB_CUR_MAX > 1 && rl_byte_oriented == 0)
+	{
+	  int v;
+	  mbstate_t ps;
+
+	  memset (&ps, 0, sizeof (mbstate_t));
+	  /* These produce warnings because we're passing a const string to a
+	     function that takes a non-const string. */
+	  _rl_adjust_point ((char *)string, i, &ps);
+	  if ((v = _rl_get_char_len ((char *)string + i, &ps)) > 1)
+	    {
+	      i += v - 1;
+	      continue;
+	    }
+        }
 
-	memset (&ps, 0, sizeof (mbstate_t));
-	/* These produce warnings because we're passing a const string to a
-	   function that takes a non-const string. */
-	_rl_adjust_point ((char *)string, i, &ps);
-	if ((v = _rl_get_char_len ((char *)string + i, &ps)) > 1)
-	  {
-	    i += v - 1;
-	    continue;
-	  }
-      }
-    else
 #endif /* HANDLE_MULTIBYTE */
       if ((!substring_okay && (whitespace (c) || c == ':' ||
 	  (history_search_delimiter_chars && member (c, history_search_delimiter_chars)) ||
@@ -228,6 +229,7 @@ get_history_event (string, caller_index, delimiting_quote)
 	  string[i] == '\n' ||
 	  (substring_okay && string[i] == '?'))
 	break;
+    }
 
   which = i - local_index;
   temp = (char *)xmalloc (1 + which);
@@ -560,12 +562,12 @@ history_expand_internal (string, start, end_index_ptr, ret_string, current_line)
 #if defined (HANDLE_MULTIBYTE)
       if (MB_CUR_MAX > 1 && rl_byte_oriented == 0)
 	{
-	  int chr, l;
+	  int ch, l;
 	  l = _rl_find_prev_mbchar (string, i, MB_FIND_ANY);
-	  chr = string[l];
+	  ch = string[l];
 	  /* XXX - original patch had i - 1 ???  If i == 0 it would fail. */
-	  if (i && (chr == '\'' || chr == '"'))
-	    quoted_search_delimiter = chr;
+	  if (i && (ch == '\'' || ch == '"'))
+	    quoted_search_delimiter = ch;
 	}
       else
 #endif /* HANDLE_MULTIBYTE */	  
@@ -1426,6 +1428,8 @@ history_tokenize_word (string, ind)
 	{
 	  if (peek == '<' && string[i + 2] == '-')
 	    i++;
+	  else if (peek == '<' && string[i + 2] == '<')
+	    i++;
 	  i += 2;
 	  return i;
 	}
diff --git a/cmd-line-utils/readline/histfile.c b/cmd-line-utils/readline/histfile.c
index f1822b105a4..2f051a32563 100644
--- a/cmd-line-utils/readline/histfile.c
+++ b/cmd-line-utils/readline/histfile.c
@@ -30,7 +30,9 @@
 #  include <floss.h>
 #endif
 
-#include "config_readline.h"
+#if defined (HAVE_CONFIG_H)
+#  include <config.h>
+#endif
 
 #include <stdio.h>
 
@@ -184,8 +186,7 @@ read_history_range (filename, from, to)
   file_size = (size_t)finfo.st_size;
 
   /* check for overflow on very large files */
-  if ((long long) file_size != (long long) finfo.st_size ||
-      file_size + 1 < file_size)
+  if (file_size != finfo.st_size || file_size + 1 < file_size)
     {
       errno = overflow_errno;
       goto error_and_exit;
@@ -255,7 +256,11 @@ read_history_range (filename, from, to)
   for (line_end = line_start; line_end < bufend; line_end++)
     if (*line_end == '\n')
       {
-	*line_end = '\0';
+	/* Change to allow Windows-like \r\n end of line delimiter. */
+	if (line_end > line_start && line_end[-1] == '\r')
+	  line_end[-1] = '\0';
+	else
+	  *line_end = '\0';
 
 	if (*line_start)
 	  {
@@ -334,8 +339,7 @@ history_truncate_file (fname, lines)
   file_size = (size_t)finfo.st_size;
 
   /* check for overflow on very large files */
-  if ((long long) file_size != (long long) finfo.st_size ||
-      file_size + 1 < file_size)
+  if (file_size != finfo.st_size || file_size + 1 < file_size)
     {
       close (file);
 #if defined (EFBIG)
diff --git a/cmd-line-utils/readline/history.c b/cmd-line-utils/readline/history.c
index bb1960d8d99..1ccf4db786c 100644
--- a/cmd-line-utils/readline/history.c
+++ b/cmd-line-utils/readline/history.c
@@ -1,6 +1,6 @@
 /* history.c -- standalone history library */
 
-/* Copyright (C) 1989-2003 Free Software Foundation, Inc.
+/* Copyright (C) 1989-2005 Free Software Foundation, Inc.
 
    This file contains the GNU History Library (the Library), a set of
    routines for managing the text of previously typed lines.
@@ -25,7 +25,9 @@
    you can call.  I think I have done that. */
 #define READLINE_LIBRARY
 
-#include "config_readline.h"
+#if defined (HAVE_CONFIG_H)
+#  include <config.h>
+#endif
 
 #include <stdio.h>
 
@@ -202,11 +204,27 @@ history_get (offset)
   int local_index;
 
   local_index = offset - history_base;
-  return (local_index >= history_length || local_index < 0 || !the_history)
+  return (local_index >= history_length || local_index < 0 || the_history == 0)
 		? (HIST_ENTRY *)NULL
 		: the_history[local_index];
 }
 
+HIST_ENTRY *
+alloc_history_entry (string, ts)
+     char *string;
+     char *ts;
+{
+  HIST_ENTRY *temp;
+
+  temp = (HIST_ENTRY *)xmalloc (sizeof (HIST_ENTRY));
+
+  temp->line = string ? savestring (string) : string;
+  temp->data = (char *)NULL;
+  temp->timestamp = ts;
+
+  return temp;
+}
+
 time_t
 history_get_time (hist)
      HIST_ENTRY *hist;
@@ -288,11 +306,7 @@ add_history (string)
 	}
     }
 
-  temp = (HIST_ENTRY *)xmalloc (sizeof (HIST_ENTRY));
-  temp->line = savestring (string);
-  temp->data = (char *)NULL;
-
-  temp->timestamp = hist_inittime ();
+  temp = alloc_history_entry (string, hist_inittime ());
 
   the_history[history_length] = (HIST_ENTRY *)NULL;
   the_history[history_length - 1] = temp;
@@ -326,6 +340,26 @@ free_history_entry (hist)
   free (hist);
   return (x);
 }
+
+HIST_ENTRY *
+copy_history_entry (hist)
+     HIST_ENTRY *hist;
+{
+  HIST_ENTRY *ret;
+  char *ts;
+
+  if (hist == 0)
+    return hist;
+
+  ret = alloc_history_entry (hist->line, (char *)NULL);
+
+  ts = hist->timestamp ? savestring (hist->timestamp) : hist->timestamp;
+  ret->timestamp = ts;
+
+  ret->data = hist->data;
+
+  return ret;
+}
   
 /* Make the history entry at WHICH have LINE and DATA.  This returns
    the old entry so you can dispose of the data.  In the case of an
@@ -338,7 +372,7 @@ replace_history_entry (which, line, data)
 {
   HIST_ENTRY *temp, *old_value;
 
-  if (which >= history_length)
+  if (which < 0 || which >= history_length)
     return ((HIST_ENTRY *)NULL);
 
   temp = (HIST_ENTRY *)xmalloc (sizeof (HIST_ENTRY));
@@ -352,6 +386,51 @@ replace_history_entry (which, line, data)
   return (old_value);
 }
 
+/* Replace the DATA in the specified history entries, replacing OLD with
+   NEW.  WHICH says which one(s) to replace:  WHICH == -1 means to replace
+   all of the history entries where entry->data == OLD; WHICH == -2 means
+   to replace the `newest' history entry where entry->data == OLD; and
+   WHICH >= 0 means to replace that particular history entry's data, as
+   long as it matches OLD. */
+void
+replace_history_data (which,old, new)
+     int which;
+     histdata_t *old, *new;
+{
+  HIST_ENTRY *entry;
+  register int i, last;
+
+  if (which < -2 || which >= history_length || history_length == 0 || the_history == 0)
+    return;
+
+  if (which >= 0)
+    {
+      entry = the_history[which];
+      if (entry && entry->data == old)
+	entry->data = new;
+      return;
+    }
+
+  last = -1;
+  for (i = 0; i < history_length; i++)
+    {
+      entry = the_history[i];
+      if (entry == 0)
+	continue;
+      if (entry->data == old)
+	{
+	  last = i;
+	  if (which == -1)
+	    entry->data = new;
+	}
+    }
+  if (which == -2 && last >= 0)
+    {
+      entry = the_history[last];
+      entry->data = new;	/* XXX - we don't check entry->old */
+    }
+}      
+  
 /* Remove history element WHICH from the history.  The removed
    element is returned to you so you can free the line, data,
    and containing structure. */
@@ -362,17 +441,15 @@ remove_history (which)
   HIST_ENTRY *return_value;
   register int i;
 
-  if (which >= history_length || !history_length)
-    return_value = (HIST_ENTRY *)NULL;
-  else
-    {
-      return_value = the_history[which];
+  if (which < 0 || which >= history_length || history_length ==  0 || the_history == 0)
+    return ((HIST_ENTRY *)NULL);
 
-      for (i = which; i < history_length; i++)
-	the_history[i] = the_history[i + 1];
+  return_value = the_history[which];
 
-      history_length--;
-    }
+  for (i = which; i < history_length; i++)
+    the_history[i] = the_history[i + 1];
+
+  history_length--;
 
   return (return_value);
 }
diff --git a/cmd-line-utils/readline/histsearch.c b/cmd-line-utils/readline/histsearch.c
index 778b323afdc..1cc5875a4b4 100644
--- a/cmd-line-utils/readline/histsearch.c
+++ b/cmd-line-utils/readline/histsearch.c
@@ -22,7 +22,9 @@
 
 #define READLINE_LIBRARY
 
-#include "config_readline.h"
+#if defined (HAVE_CONFIG_H)
+#  include <config.h>
+#endif
 
 #include <stdio.h>
 #if defined (HAVE_STDLIB_H)
diff --git a/cmd-line-utils/readline/input.c b/cmd-line-utils/readline/input.c
index 818f2e8763d..da5d771c481 100644
--- a/cmd-line-utils/readline/input.c
+++ b/cmd-line-utils/readline/input.c
@@ -1,6 +1,6 @@
 /* input.c -- character input functions for readline. */
 
-/* Copyright (C) 1994 Free Software Foundation, Inc.
+/* Copyright (C) 1994-2005 Free Software Foundation, Inc.
 
    This file is part of the GNU Readline Library, a library for
    reading lines of text with interactive input and history editing.
@@ -25,7 +25,9 @@
 #  include <floss.h>
 #endif
 
-#include "config_readline.h"
+#if defined (HAVE_CONFIG_H)
+#  include <config.h>
+#endif
 
 #include <sys/types.h>
 #include <fcntl.h>
@@ -177,6 +179,7 @@ rl_gather_tyi ()
   struct timeval timeout;
 #endif
 
+  chars_avail = 0;
   tty = fileno (rl_instream);
 
 #if defined (HAVE_SELECT)
@@ -218,6 +221,13 @@ rl_gather_tyi ()
     }
 #endif /* O_NDELAY */
 
+#if defined (__MINGW32__)
+  /* Use getch/_kbhit to check for available console input, in the same way
+     that we read it normally. */
+   chars_avail = isatty (tty) ? _kbhit () : 0;
+   result = 0;
+#endif
+
   /* If there's nothing available, don't waste time trying to read
      something. */
   if (chars_avail <= 0)
@@ -261,7 +271,7 @@ rl_set_keyboard_input_timeout (u)
   int o;
 
   o = _keyboard_input_timeout;
-  if (u > 0)
+  if (u >= 0)
     _keyboard_input_timeout = u;
   return (o);
 }
@@ -303,6 +313,11 @@ _rl_input_available ()
 
 #endif
 
+#if defined (__MINGW32__)
+  if (isatty (tty))
+    return (_kbhit ());
+#endif
+
   return 0;
 }
 
@@ -405,7 +420,7 @@ rl_read_key ()
   else
     {
       /* If input is coming from a macro, then use that. */
-      if ((c= _rl_next_macro_key ()))
+      if (c = _rl_next_macro_key ())
 	return (c);
 
       /* If the user has an event function, then call it periodically. */
@@ -442,6 +457,10 @@ rl_getc (stream)
 
   while (1)
     {
+#if defined (__MINGW32__)
+      if (isatty (fileno (stream)))
+	return (getch ());
+#endif
       result = read (fileno (stream), &c, sizeof (unsigned char));
 
       if (result == sizeof (unsigned char))
@@ -483,7 +502,7 @@ rl_getc (stream)
 	 this is simply an interrupted system call to read ().
 	 Otherwise, some error ocurred, also signifying EOF. */
       if (errno != EINTR)
-	return (EOF);
+	return (RL_ISSTATE (RL_STATE_READCMD) ? READERR : EOF);
     }
 }
 
@@ -517,6 +536,12 @@ _rl_read_mbchar (mbchar, size)
 	  ps = ps_back;
 	  continue;
 	} 
+      else if (mbchar_bytes_length == 0)
+	{
+	  mbchar[0] = '\0';	/* null wide character */
+	  mb_len = 1;
+	  break;
+	}
       else if (mbchar_bytes_length > (size_t)(0))
 	break;
     }
@@ -525,21 +550,21 @@ _rl_read_mbchar (mbchar, size)
 }
 
 /* Read a multibyte-character string whose first character is FIRST into
-   the buffer MB of length MBLEN.  Returns the last character read, which
+   the buffer MB of length MLEN.  Returns the last character read, which
    may be FIRST.  Used by the search functions, among others.  Very similar
    to _rl_read_mbchar. */
 int
-_rl_read_mbstring (first, mb, mb_len)
+_rl_read_mbstring (first, mb, mlen)
      int first;
      char *mb;
-     int mb_len;
+     int mlen;
 {
   int i, c;
   mbstate_t ps;
 
   c = first;
-  memset (mb, 0, mb_len);
-  for (i = 0; i < mb_len; i++)
+  memset (mb, 0, mlen);
+  for (i = 0; i < mlen; i++)
     {
       mb[i] = (char)c;
       memset (&ps, 0, sizeof (mbstate_t));
diff --git a/cmd-line-utils/readline/isearch.c b/cmd-line-utils/readline/isearch.c
index 9071695dda8..9f67bfc0801 100644
--- a/cmd-line-utils/readline/isearch.c
+++ b/cmd-line-utils/readline/isearch.c
@@ -4,7 +4,7 @@
 /*								    */
 /* **************************************************************** */
 
-/* Copyright (C) 1987-2002 Free Software Foundation, Inc.
+/* Copyright (C) 1987-2005 Free Software Foundation, Inc.
 
    This file contains the Readline Library (the Library), a set of
    routines for providing Emacs style line input to programs that ask
@@ -26,7 +26,9 @@
    59 Temple Place, Suite 330, Boston, MA 02111 USA. */
 #define READLINE_LIBRARY
 
-#include "config_readline.h"
+#if defined (HAVE_CONFIG_H)
+#  include <config.h>
+#endif
 
 #include <sys/types.h>
 
@@ -54,21 +56,77 @@
 /* Variables exported to other files in the readline library. */
 char *_rl_isearch_terminators = (char *)NULL;
 
+_rl_search_cxt *_rl_iscxt = 0;
+
 /* Variables imported from other files in the readline library. */
 extern HIST_ENTRY *_rl_saved_line_for_history;
 
-/* Forward declarations */
 static int rl_search_history PARAMS((int, int));
 
+static _rl_search_cxt *_rl_isearch_init PARAMS((int));
+static void _rl_isearch_fini PARAMS((_rl_search_cxt *));
+static int _rl_isearch_cleanup PARAMS((_rl_search_cxt *, int));
+
 /* Last line found by the current incremental search, so we don't `find'
-   identical lines many times in a row. */
-static char *prev_line_found;
+   identical lines many times in a row.  Now part of isearch context. */
+/* static char *prev_line_found; */
 
 /* Last search string and its length. */
 static char *last_isearch_string;
 static int last_isearch_string_len;
 
-static char *default_isearch_terminators = (char*) "\033\012";
+static char *default_isearch_terminators = "\033\012";
+
+_rl_search_cxt *
+_rl_scxt_alloc (type, flags)
+     int type, flags;
+{
+  _rl_search_cxt *cxt;
+
+  cxt = (_rl_search_cxt *)xmalloc (sizeof (_rl_search_cxt));
+
+  cxt->type = type;
+  cxt->sflags = flags;
+
+  cxt->search_string = 0;
+  cxt->search_string_size = cxt->search_string_index = 0;
+
+  cxt->lines = 0;
+  cxt->allocated_line = 0;
+  cxt->hlen = cxt->hindex = 0;
+
+  cxt->save_point = rl_point;
+  cxt->save_mark = rl_mark;
+  cxt->save_line = where_history ();
+  cxt->last_found_line = cxt->save_line;
+  cxt->prev_line_found = 0;
+
+  cxt->save_undo_list = 0;
+
+  cxt->history_pos = 0;
+  cxt->direction = 0;
+
+  cxt->lastc = 0;
+
+  cxt->sline = 0;
+  cxt->sline_len = cxt->sline_index = 0;
+
+  cxt->search_terminators = 0;
+
+  return cxt;
+}
+
+void
+_rl_scxt_dispose (cxt, flags)
+     _rl_search_cxt *cxt;
+     int flags;
+{
+  FREE (cxt->search_string);
+  FREE (cxt->allocated_line);
+  FREE (cxt->lines);
+
+  free (cxt);
+}
 
 /* Search backwards through the history looking for a string which is typed
    interactively.  Start with the current line. */
@@ -90,12 +148,13 @@ rl_forward_search_history (sign, key)
 
 /* Display the current state of the search in the echo-area.
    SEARCH_STRING contains the string that is being searched for,
-   DIRECTION is zero for forward, or 1 for reverse,
+   DIRECTION is zero for forward, or non-zero for reverse,
    WHERE is the history list number of the current line.  If it is
    -1, then this line is the starting one. */
 static void
-rl_display_search (char *search_string, int reverse_p,
-                   int where __attribute__((unused)))
+rl_display_search (search_string, reverse_p, where)
+     char *search_string;
+     int reverse_p, where;
 {
   char *message;
   int msglen, searchlen;
@@ -137,65 +196,23 @@ rl_display_search (char *search_string, int reverse_p,
   (*rl_redisplay_function) ();
 }
 
-/* Search through the history looking for an interactively typed string.
-   This is analogous to i-search.  We start the search in the current line.
-   DIRECTION is which direction to search; >= 0 means forward, < 0 means
-   backwards. */
-static int
-rl_search_history (int direction, int invoking_key __attribute__((unused)))
+static _rl_search_cxt *
+_rl_isearch_init (direction)
+     int direction;
 {
-  /* The string that the user types in to search for. */
-  char *search_string;
-
-  /* The current length of SEARCH_STRING. */
-  int search_string_index;
-
-  /* The amount of space that SEARCH_STRING has allocated to it. */
-  int search_string_size;
-
-  /* The list of lines to search through. */
-  char **lines, *allocated_line;
-
-  /* The length of LINES. */
-  int hlen;
-
-  /* Where we get LINES from. */
-  HIST_ENTRY **hlist;
-
+  _rl_search_cxt *cxt;
   register int i;
-  int orig_point, orig_mark, orig_line, last_found_line;
-  int c, found, failed, sline_len;
-  int n, wstart, wlen;
-#if defined (HANDLE_MULTIBYTE)
-  char mb[MB_LEN_MAX];
-#endif
-
-  /* The line currently being searched. */
-  char *sline;
-
-  /* Offset in that line. */
-  int line_index;
-
-  /* Non-zero if we are doing a reverse search. */
-  int reverse;
-
-  /* The list of characters which terminate the search, but are not
-     subsequently executed.  If the variable isearch-terminators has
-     been set, we use that value, otherwise we use ESC and C-J. */
-  char *isearch_terminators;
+  HIST_ENTRY **hlist;
 
-  RL_SETSTATE(RL_STATE_ISEARCH);
-  orig_point = rl_point;
-  orig_mark = rl_mark;
-  last_found_line = orig_line = where_history ();
-  reverse = direction < 0;
-  hlist = history_list ();
-  allocated_line = (char *)NULL;
+  cxt = _rl_scxt_alloc (RL_SEARCH_ISEARCH, 0);
+  if (direction < 0)
+    cxt->sflags |= SF_REVERSE;
 
-  isearch_terminators = _rl_isearch_terminators ? _rl_isearch_terminators
+  cxt->search_terminators = _rl_isearch_terminators ? _rl_isearch_terminators
 						: default_isearch_terminators;
 
   /* Create an arrary of pointers to the lines that we want to search. */
+  hlist = history_list ();
   rl_maybe_replace_line ();
   i = 0;
   if (hlist)
@@ -203,354 +220,447 @@ rl_search_history (int direction, int invoking_key __attribute__((unused)))
 
   /* Allocate space for this many lines, +1 for the current input line,
      and remember those lines. */
-  lines = (char **)xmalloc ((1 + (hlen = i)) * sizeof (char *));
-  for (i = 0; i < hlen; i++)
-    lines[i] = hlist[i]->line;
+  cxt->lines = (char **)xmalloc ((1 + (cxt->hlen = i)) * sizeof (char *));
+  for (i = 0; i < cxt->hlen; i++)
+    cxt->lines[i] = hlist[i]->line;
 
   if (_rl_saved_line_for_history)
-    lines[i] = _rl_saved_line_for_history->line;
+    cxt->lines[i] = _rl_saved_line_for_history->line;
   else
     {
       /* Keep track of this so we can free it. */
-      allocated_line = (char *)xmalloc (1 + strlen (rl_line_buffer));
-      strcpy (allocated_line, &rl_line_buffer[0]);
-      lines[i] = allocated_line;
+      cxt->allocated_line = (char *)xmalloc (1 + strlen (rl_line_buffer));
+      strcpy (cxt->allocated_line, &rl_line_buffer[0]);
+      cxt->lines[i] = cxt->allocated_line;
     }
 
-  hlen++;
+  cxt->hlen++;
 
   /* The line where we start the search. */
-  i = orig_line;
+  cxt->history_pos = cxt->save_line;
 
   rl_save_prompt ();
 
   /* Initialize search parameters. */
-  search_string = (char *)xmalloc (search_string_size = 128);
-  *search_string = '\0';
-  search_string_index = 0;
-  prev_line_found = (char *)0;		/* XXX */
+  cxt->search_string = (char *)xmalloc (cxt->search_string_size = 128);
+  cxt->search_string[cxt->search_string_index = 0] = '\0';
 
   /* Normalize DIRECTION into 1 or -1. */
-  direction = (direction >= 0) ? 1 : -1;
+  cxt->direction = (direction >= 0) ? 1 : -1;
 
-  rl_display_search (search_string, reverse, -1);
+  cxt->sline = rl_line_buffer;
+  cxt->sline_len = strlen (cxt->sline);
+  cxt->sline_index = rl_point;
 
-  sline = rl_line_buffer;
-  sline_len = strlen (sline);
-  line_index = rl_point;
+  _rl_iscxt = cxt;		/* save globally */
 
-  found = failed = 0;
-  for (;;)
+  return cxt;
+}
+
+static void
+_rl_isearch_fini (cxt)
+     _rl_search_cxt *cxt;
+{
+  /* First put back the original state. */
+  strcpy (rl_line_buffer, cxt->lines[cxt->save_line]);
+
+  rl_restore_prompt ();
+
+  /* Save the search string for possible later use. */
+  FREE (last_isearch_string);
+  last_isearch_string = cxt->search_string;
+  last_isearch_string_len = cxt->search_string_index;
+  cxt->search_string = 0;
+
+  if (cxt->last_found_line < cxt->save_line)
+    rl_get_previous_history (cxt->save_line - cxt->last_found_line, 0);
+  else
+    rl_get_next_history (cxt->last_found_line - cxt->save_line, 0);
+
+  /* If the string was not found, put point at the end of the last matching
+     line.  If last_found_line == orig_line, we didn't find any matching
+     history lines at all, so put point back in its original position. */
+  if (cxt->sline_index < 0)
     {
-      rl_command_func_t *f = (rl_command_func_t *)NULL;
+      if (cxt->last_found_line == cxt->save_line)
+	cxt->sline_index = cxt->save_point;
+      else
+	cxt->sline_index = strlen (rl_line_buffer);
+      rl_mark = cxt->save_mark;
+    }
+
+  rl_point = cxt->sline_index;
+  /* Don't worry about where to put the mark here; rl_get_previous_history
+     and rl_get_next_history take care of it. */
+
+  rl_clear_message ();
+}
 
-      /* Read a key and decide how to proceed. */
-      RL_SETSTATE(RL_STATE_MOREINPUT);
-      c = rl_read_key ();
-      RL_UNSETSTATE(RL_STATE_MOREINPUT);
+int
+_rl_search_getchar (cxt)
+     _rl_search_cxt *cxt;
+{
+  int c;
+
+  /* Read a key and decide how to proceed. */
+  RL_SETSTATE(RL_STATE_MOREINPUT);
+  c = cxt->lastc = rl_read_key ();
+  RL_UNSETSTATE(RL_STATE_MOREINPUT);
 
 #if defined (HANDLE_MULTIBYTE)
-      if (MB_CUR_MAX > 1 && rl_byte_oriented == 0)
-	c = _rl_read_mbstring (c, mb, MB_LEN_MAX);
+  if (MB_CUR_MAX > 1 && rl_byte_oriented == 0)
+    c = cxt->lastc = _rl_read_mbstring (cxt->lastc, cxt->mb, MB_LEN_MAX);
 #endif
 
-      /* Translate the keys we do something with to opcodes. */
-      if (c >= 0 && _rl_keymap[c].type == ISFUNC)
-	{
-	  f = _rl_keymap[c].function;
-
-	  if (f == rl_reverse_search_history)
-	    c = reverse ? -1 : -2;
-	  else if (f == rl_forward_search_history)
-	    c =  !reverse ? -1 : -2;
-	  else if (f == rl_rubout)
-	    c = -3;
-	  else if (c == CTRL ('G'))
-	    c = -4;
-	  else if (c == CTRL ('W'))	/* XXX */
-	    c = -5;
-	  else if (c == CTRL ('Y'))	/* XXX */
-	    c = -6;
-	}
+  return c;
+}
 
-      /* The characters in isearch_terminators (set from the user-settable
-	 variable isearch-terminators) are used to terminate the search but
-	 not subsequently execute the character as a command.  The default
-	 value is "\033\012" (ESC and C-J). */
-      if (strchr (isearch_terminators, c))
-	{
-	  /* ESC still terminates the search, but if there is pending
-	     input or if input arrives within 0.1 seconds (on systems
-	     with select(2)) it is used as a prefix character
-	     with rl_execute_next.  WATCH OUT FOR THIS!  This is intended
-	     to allow the arrow keys to be used like ^F and ^B are used
-	     to terminate the search and execute the movement command.
-	     XXX - since _rl_input_available depends on the application-
-	     settable keyboard timeout value, this could alternatively
-	     use _rl_input_queued(100000) */
-	  if (c == ESC && _rl_input_available ())
-	    rl_execute_next (ESC);
-	  break;
-	}
+/* Process just-read character C according to isearch context CXT.  Return
+   -1 if the caller should just free the context and return, 0 if we should
+   break out of the loop, and 1 if we should continue to read characters. */
+int
+_rl_isearch_dispatch (cxt, c)
+     _rl_search_cxt *cxt;
+     int c;
+{
+  int n, wstart, wlen, limit, cval;
+  rl_command_func_t *f;
+
+  f = (rl_command_func_t *)NULL;
+ 
+ /* Translate the keys we do something with to opcodes. */
+  if (c >= 0 && _rl_keymap[c].type == ISFUNC)
+    {
+      f = _rl_keymap[c].function;
+
+      if (f == rl_reverse_search_history)
+	cxt->lastc = (cxt->sflags & SF_REVERSE) ? -1 : -2;
+      else if (f == rl_forward_search_history)
+	cxt->lastc = (cxt->sflags & SF_REVERSE) ? -2 : -1;
+      else if (f == rl_rubout)
+	cxt->lastc = -3;
+      else if (c == CTRL ('G'))
+	cxt->lastc = -4;
+      else if (c == CTRL ('W'))	/* XXX */
+	cxt->lastc = -5;
+      else if (c == CTRL ('Y'))	/* XXX */
+	cxt->lastc = -6;
+    }
+
+  /* The characters in isearch_terminators (set from the user-settable
+     variable isearch-terminators) are used to terminate the search but
+     not subsequently execute the character as a command.  The default
+     value is "\033\012" (ESC and C-J). */
+  if (strchr (cxt->search_terminators, cxt->lastc))
+    {
+      /* ESC still terminates the search, but if there is pending
+	 input or if input arrives within 0.1 seconds (on systems
+	 with select(2)) it is used as a prefix character
+	 with rl_execute_next.  WATCH OUT FOR THIS!  This is intended
+	 to allow the arrow keys to be used like ^F and ^B are used
+	 to terminate the search and execute the movement command.
+	 XXX - since _rl_input_available depends on the application-
+	 settable keyboard timeout value, this could alternatively
+	 use _rl_input_queued(100000) */
+      if (cxt->lastc == ESC && _rl_input_available ())
+	rl_execute_next (ESC);
+      return (0);
+    }
 
 #define ENDSRCH_CHAR(c) \
   ((CTRL_CHAR (c) || META_CHAR (c) || (c) == RUBOUT) && ((c) != CTRL ('G')))
 
 #if defined (HANDLE_MULTIBYTE)
-      if (MB_CUR_MAX > 1 && rl_byte_oriented == 0)
+  if (MB_CUR_MAX > 1 && rl_byte_oriented == 0)
+    {
+      if (cxt->lastc >= 0 && (cxt->mb[0] && cxt->mb[1] == '\0') && ENDSRCH_CHAR (cxt->lastc))
+	{
+	  /* This sets rl_pending_input to c; it will be picked up the next
+	     time rl_read_key is called. */
+	  rl_execute_next (cxt->lastc);
+	  return (0);
+	}
+    }
+  else
+#endif
+    if (cxt->lastc >= 0 && ENDSRCH_CHAR (cxt->lastc))
+      {
+	/* This sets rl_pending_input to LASTC; it will be picked up the next
+	   time rl_read_key is called. */
+	rl_execute_next (cxt->lastc);
+	return (0);
+      }
+
+  /* Now dispatch on the character.  `Opcodes' affect the search string or
+     state.  Other characters are added to the string.  */
+  switch (cxt->lastc)
+    {
+    /* search again */
+    case -1:
+      if (cxt->search_string_index == 0)
 	{
-	  if (c >= 0 && strlen (mb) == 1 && ENDSRCH_CHAR (c))
+	  if (last_isearch_string)
 	    {
-	      /* This sets rl_pending_input to c; it will be picked up the next
-		 time rl_read_key is called. */
-	      rl_execute_next (c);
+	      cxt->search_string_size = 64 + last_isearch_string_len;
+	      cxt->search_string = (char *)xrealloc (cxt->search_string, cxt->search_string_size);
+	      strcpy (cxt->search_string, last_isearch_string);
+	      cxt->search_string_index = last_isearch_string_len;
+	      rl_display_search (cxt->search_string, (cxt->sflags & SF_REVERSE), -1);
 	      break;
 	    }
+	  return (1);
 	}
+      else if (cxt->sflags & SF_REVERSE)
+	cxt->sline_index--;
+      else if (cxt->sline_index != cxt->sline_len)
+	cxt->sline_index++;
       else
-#endif
-      if (c >= 0 && ENDSRCH_CHAR (c))
+	rl_ding ();
+      break;
+
+    /* switch directions */
+    case -2:
+      cxt->direction = -cxt->direction;
+      if (cxt->direction < 0)
+	cxt->sflags |= SF_REVERSE;
+      else
+	cxt->sflags &= ~SF_REVERSE;
+      break;
+
+    /* delete character from search string. */
+    case -3:	/* C-H, DEL */
+      /* This is tricky.  To do this right, we need to keep a
+	 stack of search positions for the current search, with
+	 sentinels marking the beginning and end.  But this will
+	 do until we have a real isearch-undo. */
+      if (cxt->search_string_index == 0)
+	rl_ding ();
+      else
+	cxt->search_string[--cxt->search_string_index] = '\0';
+      break;
+
+    case -4:	/* C-G, abort */
+      rl_replace_line (cxt->lines[cxt->save_line], 0);
+      rl_point = cxt->save_point;
+      rl_mark = cxt->save_mark;
+      rl_restore_prompt();
+      rl_clear_message ();
+
+      return -1;
+
+    case -5:	/* C-W */
+      /* skip over portion of line we already matched and yank word */
+      wstart = rl_point + cxt->search_string_index;
+      if (wstart >= rl_end)
 	{
-	  /* This sets rl_pending_input to c; it will be picked up the next
-	     time rl_read_key is called. */
-	  rl_execute_next (c);
+	  rl_ding ();
 	  break;
 	}
 
-      switch (c)
+      /* if not in a word, move to one. */
+      cval = _rl_char_value (rl_line_buffer, wstart);
+      if (_rl_walphabetic (cval) == 0)
 	{
-	case -1:
-	  if (search_string_index == 0)
-	    {
-	      if (last_isearch_string)
-		{
-		  search_string_size = 64 + last_isearch_string_len;
-		  search_string = (char *)xrealloc (search_string, search_string_size);
-		  strcpy (search_string, last_isearch_string);
-		  search_string_index = last_isearch_string_len;
-		  rl_display_search (search_string, reverse, -1);
-		  break;
-		}
-	      continue;
-	    }
-	  else if (reverse)
-	    --line_index;
-	  else if (line_index != sline_len)
-	    ++line_index;
-	  else
-	    rl_ding ();
+	  rl_ding ();
 	  break;
-
-	  /* switch directions */
-	case -2:
-	  direction = -direction;
-	  reverse = direction < 0;
+	}
+      n = MB_NEXTCHAR (rl_line_buffer, wstart, 1, MB_FIND_NONZERO);;
+      while (n < rl_end)
+	{
+	  cval = _rl_char_value (rl_line_buffer, n);
+	  if (_rl_walphabetic (cval) == 0)
+	    break;
+	  n = MB_NEXTCHAR (rl_line_buffer, n, 1, MB_FIND_NONZERO);;
+	}
+      wlen = n - wstart + 1;
+      if (cxt->search_string_index + wlen + 1 >= cxt->search_string_size)
+	{
+	  cxt->search_string_size += wlen + 1;
+	  cxt->search_string = (char *)xrealloc (cxt->search_string, cxt->search_string_size);
+	}
+      for (; wstart < n; wstart++)
+	cxt->search_string[cxt->search_string_index++] = rl_line_buffer[wstart];
+      cxt->search_string[cxt->search_string_index] = '\0';
+      break;
+
+    case -6:	/* C-Y */
+      /* skip over portion of line we already matched and yank rest */
+      wstart = rl_point + cxt->search_string_index;
+      if (wstart >= rl_end)
+	{
+	  rl_ding ();
 	  break;
+	}
+      n = rl_end - wstart + 1;
+      if (cxt->search_string_index + n + 1 >= cxt->search_string_size)
+	{
+	  cxt->search_string_size += n + 1;
+	  cxt->search_string = (char *)xrealloc (cxt->search_string, cxt->search_string_size);
+	}
+      for (n = wstart; n < rl_end; n++)
+	cxt->search_string[cxt->search_string_index++] = rl_line_buffer[n];
+      cxt->search_string[cxt->search_string_index] = '\0';
+      break;
+
+    /* Add character to search string and continue search. */
+    default:
+      if (cxt->search_string_index + 2 >= cxt->search_string_size)
+	{
+	  cxt->search_string_size += 128;
+	  cxt->search_string = (char *)xrealloc (cxt->search_string, cxt->search_string_size);
+	}
+#if defined (HANDLE_MULTIBYTE)
+      if (MB_CUR_MAX > 1 && rl_byte_oriented == 0)
+	{
+	  int j, l;
+	  for (j = 0, l = strlen (cxt->mb); j < l; )
+	    cxt->search_string[cxt->search_string_index++] = cxt->mb[j++];
+	}
+      else
+#endif
+	cxt->search_string[cxt->search_string_index++] = c;
+      cxt->search_string[cxt->search_string_index] = '\0';
+      break;
+    }
 
-	/* delete character from search string. */
-	case -3:	/* C-H, DEL */
-	  /* This is tricky.  To do this right, we need to keep a
-	     stack of search positions for the current search, with
-	     sentinels marking the beginning and end.  But this will
-	     do until we have a real isearch-undo. */
-	  if (search_string_index == 0)
-	    rl_ding ();
-	  else
-	    search_string[--search_string_index] = '\0';
-
-	  break;
+  for (cxt->sflags &= ~(SF_FOUND|SF_FAILED);; )
+    {
+      limit = cxt->sline_len - cxt->search_string_index + 1;
 
-	case -4:	/* C-G */
-	  rl_replace_line (lines[orig_line], 0);
-	  rl_point = orig_point;
-	  rl_mark = orig_mark;
-	  rl_restore_prompt();
-	  rl_clear_message ();
-	  if (allocated_line)
-	    free (allocated_line);
-	  free (lines);
-	  RL_UNSETSTATE(RL_STATE_ISEARCH);
-	  return 0;
-
-	case -5:	/* C-W */
-	  /* skip over portion of line we already matched */
-	  wstart = rl_point + search_string_index;
-	  if (wstart >= rl_end)
+      /* Search the current line. */
+      while ((cxt->sflags & SF_REVERSE) ? (cxt->sline_index >= 0) : (cxt->sline_index < limit))
+	{
+	  if (STREQN (cxt->search_string, cxt->sline + cxt->sline_index, cxt->search_string_index))
 	    {
-	      rl_ding ();
+	      cxt->sflags |= SF_FOUND;
 	      break;
 	    }
+	  else
+	    cxt->sline_index += cxt->direction;
+	}
+      if (cxt->sflags & SF_FOUND)
+	break;
 
-	  /* if not in a word, move to one. */
-	  if (rl_alphabetic(rl_line_buffer[wstart]) == 0)
-	    {
-	      rl_ding ();
-	      break;
-	    }
-	  n = wstart;
-	  while (n < rl_end && rl_alphabetic(rl_line_buffer[n]))
-	    n++;
-	  wlen = n - wstart + 1;
-	  if (search_string_index + wlen + 1 >= search_string_size)
-	    {
-	      search_string_size += wlen + 1;
-	      search_string = (char *)xrealloc (search_string, search_string_size);
-	    }
-	  for (; wstart < n; wstart++)
-	    search_string[search_string_index++] = rl_line_buffer[wstart];
-	  search_string[search_string_index] = '\0';
-	  break;
+      /* Move to the next line, but skip new copies of the line
+	 we just found and lines shorter than the string we're
+	 searching for. */
+      do
+	{
+	  /* Move to the next line. */
+	  cxt->history_pos += cxt->direction;
 
-	case -6:	/* C-Y */
-	  /* skip over portion of line we already matched */
-	  wstart = rl_point + search_string_index;
-	  if (wstart >= rl_end)
+	  /* At limit for direction? */
+	  if ((cxt->sflags & SF_REVERSE) ? (cxt->history_pos < 0) : (cxt->history_pos == cxt->hlen))
 	    {
-	      rl_ding ();
+	      cxt->sflags |= SF_FAILED;
 	      break;
 	    }
-	  n = rl_end - wstart + 1;
-	  if (search_string_index + n + 1 >= search_string_size)
-	    {
-	      search_string_size += n + 1;
-	      search_string = (char *)xrealloc (search_string, search_string_size);
-	    }
-	  for (n = wstart; n < rl_end; n++)
-	    search_string[search_string_index++] = rl_line_buffer[n];
-	  search_string[search_string_index] = '\0';
-	  break;
 
-	default:
-	  /* Add character to search string and continue search. */
-	  if (search_string_index + 2 >= search_string_size)
-	    {
-	      search_string_size += 128;
-	      search_string = (char *)xrealloc (search_string, search_string_size);
-	    }
-#if defined (HANDLE_MULTIBYTE)
-	  if (MB_CUR_MAX > 1 && rl_byte_oriented == 0)
-	    {
-	      int j, l;
-	      for (j = 0, l = strlen (mb); j < l; )
-		search_string[search_string_index++] = mb[j++];
-	    }
-	  else
-#endif
-	    search_string[search_string_index++] = c;
-	  search_string[search_string_index] = '\0';
-	  break;
+	  /* We will need these later. */
+	  cxt->sline = cxt->lines[cxt->history_pos];
+	  cxt->sline_len = strlen (cxt->sline);
 	}
+      while ((cxt->prev_line_found && STREQ (cxt->prev_line_found, cxt->lines[cxt->history_pos])) ||
+	     (cxt->search_string_index > cxt->sline_len));
 
-      for (found = failed = 0;;)
-	{
-	  int limit = sline_len - search_string_index + 1;
+      if (cxt->sflags & SF_FAILED)
+	break;
 
-	  /* Search the current line. */
-	  while (reverse ? (line_index >= 0) : (line_index < limit))
-	    {
-	      if (STREQN (search_string, sline + line_index, search_string_index))
-		{
-		  found++;
-		  break;
-		}
-	      else
-		line_index += direction;
-	    }
-	  if (found)
-	    break;
+      /* Now set up the line for searching... */
+      cxt->sline_index = (cxt->sflags & SF_REVERSE) ? cxt->sline_len - cxt->search_string_index : 0;
+    }
 
-	  /* Move to the next line, but skip new copies of the line
-	     we just found and lines shorter than the string we're
-	     searching for. */
-	  do
-	    {
-	      /* Move to the next line. */
-	      i += direction;
-
-	      /* At limit for direction? */
-	      if (reverse ? (i < 0) : (i == hlen))
-		{
-		  failed++;
-		  break;
-		}
-
-	      /* We will need these later. */
-	      sline = lines[i];
-	      sline_len = strlen (sline);
-	    }
-	  while ((prev_line_found && STREQ (prev_line_found, lines[i])) ||
-		 (search_string_index > sline_len));
+  if (cxt->sflags & SF_FAILED)
+    {
+      /* We cannot find the search string.  Ding the bell. */
+      rl_ding ();
+      cxt->history_pos = cxt->last_found_line;
+      return 1;
+    }
 
-	  if (failed)
-	    break;
+  /* We have found the search string.  Just display it.  But don't
+     actually move there in the history list until the user accepts
+     the location. */
+  if (cxt->sflags & SF_FOUND)
+    {
+      cxt->prev_line_found = cxt->lines[cxt->history_pos];
+      rl_replace_line (cxt->lines[cxt->history_pos], 0);
+      rl_point = cxt->sline_index;
+      cxt->last_found_line = cxt->history_pos;
+      rl_display_search (cxt->search_string, (cxt->sflags & SF_REVERSE), (cxt->history_pos == cxt->save_line) ? -1 : cxt->history_pos);
+    }
 
-	  /* Now set up the line for searching... */
-	  line_index = reverse ? sline_len - search_string_index : 0;
-	}
+  return 1;
+}
 
-      if (failed)
-	{
-	  /* We cannot find the search string.  Ding the bell. */
-	  rl_ding ();
-	  i = last_found_line;
-	  continue; 		/* XXX - was break */
-	}
+static int
+_rl_isearch_cleanup (cxt, r)
+     _rl_search_cxt *cxt;
+     int r;
+{
+  if (r >= 0)
+    _rl_isearch_fini (cxt);
+  _rl_scxt_dispose (cxt, 0);
+  _rl_iscxt = 0;
 
-      /* We have found the search string.  Just display it.  But don't
-	 actually move there in the history list until the user accepts
-	 the location. */
-      if (found)
-	{
-	  prev_line_found = lines[i];
-	  rl_replace_line (lines[i], 0);
-	  rl_point = line_index;
-	  last_found_line = i;
-	  rl_display_search (search_string, reverse, (i == orig_line) ? -1 : i);
-	}
-    }
+  RL_UNSETSTATE(RL_STATE_ISEARCH);
 
-  /* The searching is over.  The user may have found the string that she
-     was looking for, or else she may have exited a failing search.  If
-     LINE_INDEX is -1, then that shows that the string searched for was
-     not found.  We use this to determine where to place rl_point. */
+  return (r != 0);
+}
 
-  /* First put back the original state. */
-  strcpy (rl_line_buffer, lines[orig_line]);
+/* Search through the history looking for an interactively typed string.
+   This is analogous to i-search.  We start the search in the current line.
+   DIRECTION is which direction to search; >= 0 means forward, < 0 means
+   backwards. */
+static int
+rl_search_history (direction, invoking_key)
+     int direction, invoking_key;
+{
+  _rl_search_cxt *cxt;		/* local for now, but saved globally */
+  int c, r;
 
-  rl_restore_prompt ();
+  RL_SETSTATE(RL_STATE_ISEARCH);
+  cxt = _rl_isearch_init (direction);
 
-  /* Save the search string for possible later use. */
-  FREE (last_isearch_string);
-  last_isearch_string = search_string;
-  last_isearch_string_len = search_string_index;
+  rl_display_search (cxt->search_string, (cxt->sflags & SF_REVERSE), -1);
 
-  if (last_found_line < orig_line)
-    rl_get_previous_history (orig_line - last_found_line, 0);
-  else
-    rl_get_next_history (last_found_line - orig_line, 0);
+  /* If we are using the callback interface, all we do is set up here and
+      return.  The key is that we leave RL_STATE_ISEARCH set. */
+  if (RL_ISSTATE (RL_STATE_CALLBACK))
+    return (0);
 
-  /* If the string was not found, put point at the end of the last matching
-     line.  If last_found_line == orig_line, we didn't find any matching
-     history lines at all, so put point back in its original position. */
-  if (line_index < 0)
+  r = -1;
+  for (;;)
     {
-      if (last_found_line == orig_line)
-	line_index = orig_point;
-      else
-	line_index = strlen (rl_line_buffer);
-      rl_mark = orig_mark;
+      c = _rl_search_getchar (cxt);
+      /* We might want to handle EOF here (c == 0) */
+      r = _rl_isearch_dispatch (cxt, cxt->lastc);
+      if (r <= 0)
+        break;
     }
 
-  rl_point = line_index;
-  /* Don't worry about where to put the mark here; rl_get_previous_history
-     and rl_get_next_history take care of it. */
-
-  rl_clear_message ();
+  /* The searching is over.  The user may have found the string that she
+     was looking for, or else she may have exited a failing search.  If
+     LINE_INDEX is -1, then that shows that the string searched for was
+     not found.  We use this to determine where to place rl_point. */
+  return (_rl_isearch_cleanup (cxt, r));
+}
 
-  FREE (allocated_line);
-  free (lines);
+#if defined (READLINE_CALLBACKS)
+/* Called from the callback functions when we are ready to read a key.  The
+   callback functions know to call this because RL_ISSTATE(RL_STATE_ISEARCH).
+   If _rl_isearch_dispatch finishes searching, this function is responsible
+   for turning off RL_STATE_ISEARCH, which it does using _rl_isearch_cleanup. */
+int
+_rl_isearch_callback (cxt)
+     _rl_search_cxt *cxt;
+{
+  int c, r;
 
-  RL_UNSETSTATE(RL_STATE_ISEARCH);
+  c = _rl_search_getchar (cxt);
+  /* We might want to handle EOF here */
+  r = _rl_isearch_dispatch (cxt, cxt->lastc);
 
-  return 0;
+  return (r <= 0) ? _rl_isearch_cleanup (cxt, r) : 0;
 }
+#endif
diff --git a/cmd-line-utils/readline/keymaps.c b/cmd-line-utils/readline/keymaps.c
index 2be03f7086f..70d0cc08d3f 100644
--- a/cmd-line-utils/readline/keymaps.c
+++ b/cmd-line-utils/readline/keymaps.c
@@ -20,7 +20,9 @@
    Software Foundation, 59 Temple Place, Suite 330, Boston, MA 02111 USA. */
 #define READLINE_LIBRARY
 
-#include "config_readline.h"
+#if defined (HAVE_CONFIG_H)
+#  include <config.h>
+#endif
 
 #if defined (HAVE_STDLIB_H)
 #  include <stdlib.h>
diff --git a/cmd-line-utils/readline/kill.c b/cmd-line-utils/readline/kill.c
index 4d31a8ff170..031ddf47c5b 100644
--- a/cmd-line-utils/readline/kill.c
+++ b/cmd-line-utils/readline/kill.c
@@ -21,7 +21,9 @@
    59 Temple Place, Suite 330, Boston, MA 02111 USA. */
 #define READLINE_LIBRARY
 
-#include "config_readline.h"
+#if defined (HAVE_CONFIG_H)
+#  include <config.h>
+#endif
 
 #include <sys/types.h>
 
@@ -76,7 +78,8 @@ static int rl_yank_nth_arg_internal PARAMS((int, int, int));
 /* How to say that you only want to save a certain amount
    of kill material. */
 int
-rl_set_retained_kills (int num __attribute__((unused)))
+rl_set_retained_kills (num)
+     int num;
 {
   return 0;
 }
@@ -292,8 +295,8 @@ rl_backward_kill_line (direction, ignore)
 
 /* Kill the whole line, no matter where point is. */
 int
-rl_kill_full_line (int count __attribute__((unused)),
-                   int ignore __attribute__((unused)))
+rl_kill_full_line (count, ignore)
+     int count, ignore;
 {
   rl_begin_undo_group ();
   rl_point = 0;
@@ -310,7 +313,8 @@ rl_kill_full_line (int count __attribute__((unused)),
 /* This does what C-w does in Unix.  We can't prevent people from
    using behaviour that they expect. */
 int
-rl_unix_word_rubout (int count, int key __attribute__((unused)))
+rl_unix_word_rubout (count, key)
+     int count, key;
 {
   int orig_point;
 
@@ -342,7 +346,8 @@ rl_unix_word_rubout (int count, int key __attribute__((unused)))
 /* This deletes one filename component in a Unix pathname.  That is, it
    deletes backward to directory separator (`/') or whitespace.  */
 int
-rl_unix_filename_rubout (int count, int key __attribute__((unused)))
+rl_unix_filename_rubout (count, key)
+     int count, key;
 {
   int orig_point, c;
 
@@ -385,8 +390,8 @@ rl_unix_filename_rubout (int count, int key __attribute__((unused)))
    into the line at all, and if you aren't, then you know what you are
    doing. */
 int
-rl_unix_line_discard (int count __attribute__((unused)),
-                      int key  __attribute__((unused)))
+rl_unix_line_discard (count, key)
+     int count, key;
 {
   if (rl_point == 0)
     rl_ding ();
@@ -422,16 +427,16 @@ region_kill_internal (delete)
 
 /* Copy the text in the region to the kill ring. */
 int
-rl_copy_region_to_kill (int count __attribute__((unused)),
-                        int key  __attribute__((unused)))
+rl_copy_region_to_kill (count, ignore)
+     int count, ignore;
 {
   return (region_kill_internal (0));
 }
 
 /* Kill the text between the point and mark. */
 int
-rl_kill_region (int count __attribute__((unused)),
-                int ignore __attribute__((unused)))
+rl_kill_region (count, ignore)
+     int count, ignore;
 {
   int r, npoint;
 
@@ -495,7 +500,8 @@ rl_copy_backward_word (count, key)
   
 /* Yank back the last killed text.  This ignores arguments. */
 int
-rl_yank (int count __attribute__((unused)), int ignore __attribute__((unused)))
+rl_yank (count, ignore)
+     int count, ignore;
 {
   if (rl_kill_ring == 0)
     {
@@ -513,7 +519,8 @@ rl_yank (int count __attribute__((unused)), int ignore __attribute__((unused)))
    delete that text from the line, rotate the index down, and
    yank back some other text. */
 int
-rl_yank_pop (int count __attribute__((unused)), int key  __attribute__((unused)))
+rl_yank_pop (count, key)
+     int count, key;
 {
   int l, n;
 
@@ -575,6 +582,7 @@ rl_yank_nth_arg_internal (count, ignore, history_skip)
   if (!arg || !*arg)
     {
       rl_ding ();
+      FREE (arg);
       return -1;
     }
 
diff --git a/cmd-line-utils/readline/macro.c b/cmd-line-utils/readline/macro.c
index 8727285e181..00cd58d628c 100644
--- a/cmd-line-utils/readline/macro.c
+++ b/cmd-line-utils/readline/macro.c
@@ -21,7 +21,9 @@
    59 Temple Place, Suite 330, Boston, MA 02111 USA. */
 #define READLINE_LIBRARY
 
-#include "config_readline.h"
+#if defined (HAVE_CONFIG_H)
+#  include <config.h>
+#endif
 
 #include <sys/types.h>
 
@@ -98,6 +100,8 @@ _rl_with_macro_input (string)
 int
 _rl_next_macro_key ()
 {
+  int c;
+
   if (rl_executing_macro == 0)
     return (0);
 
@@ -107,7 +111,14 @@ _rl_next_macro_key ()
       return (_rl_next_macro_key ());
     }
 
+#if defined (READLINE_CALLBACKS)
+  c = rl_executing_macro[executing_macro_index++];
+  if (RL_ISSTATE (RL_STATE_CALLBACK) && RL_ISSTATE (RL_STATE_READCMD|RL_STATE_MOREINPUT) && rl_executing_macro[executing_macro_index] == 0)
+      _rl_pop_executing_macro ();
+  return c;
+#else
   return (rl_executing_macro[executing_macro_index++]);
+#endif
 }
 
 /* Save the currently executing macro on a stack of saved macros. */
@@ -189,8 +200,8 @@ _rl_kill_kbd_macro ()
    definition to the end of the existing macro, and start by
    re-executing the existing macro. */
 int
-rl_start_kbd_macro (int ignore1 __attribute__((unused)),
-                    int ignore2 __attribute__((unused)))
+rl_start_kbd_macro (ignore1, ignore2)
+     int ignore1, ignore2;
 {
   if (RL_ISSTATE (RL_STATE_MACRODEF))
     {
@@ -214,7 +225,8 @@ rl_start_kbd_macro (int ignore1 __attribute__((unused)),
    A numeric argument says to execute the macro right now,
    that many times, counting the definition as the first time. */
 int
-rl_end_kbd_macro (int count, int ignore __attribute__((unused)))
+rl_end_kbd_macro (count, ignore)
+     int count, ignore;
 {
   if (RL_ISSTATE (RL_STATE_MACRODEF) == 0)
     {
@@ -233,7 +245,8 @@ rl_end_kbd_macro (int count, int ignore __attribute__((unused)))
 /* Execute the most recently defined keyboard macro.
    COUNT says how many times to execute it. */
 int
-rl_call_last_kbd_macro (int count, int ignore __attribute__((unused)))
+rl_call_last_kbd_macro (count, ignore)
+     int count, ignore;
 {
   if (current_macro == 0)
     _rl_abort_internal ();
diff --git a/cmd-line-utils/readline/mbutil.c b/cmd-line-utils/readline/mbutil.c
index 284ea63aae4..17dde53ed7b 100644
--- a/cmd-line-utils/readline/mbutil.c
+++ b/cmd-line-utils/readline/mbutil.c
@@ -1,6 +1,6 @@
 /* mbutil.c -- readline multibyte character utility functions */
 
-/* Copyright (C) 2001-2004 Free Software Foundation, Inc.
+/* Copyright (C) 2001-2005 Free Software Foundation, Inc.
 
    This file is part of the GNU Readline Library, a library for
    reading lines of text with interactive input and history editing.
@@ -21,16 +21,11 @@
    59 Temple Place, Suite 330, Boston, MA 02111 USA. */
 #define READLINE_LIBRARY
 
-#ifndef _XOPEN_SOURCE
-#define _XOPEN_SOURCE 500
+#if defined (HAVE_CONFIG_H)
+#  include <config.h>
 #endif
 
-#include "config_readline.h"
-
 #include <sys/types.h>
-
-/* To get SuSE 9.3 to define wcwidth() (in wchar.h) */
-
 #include <fcntl.h>
 #include "posixjmp.h"
 
@@ -82,18 +77,20 @@ _rl_find_next_mbchar_internal (string, seed, count, find_non_zero)
      char *string;
      int seed, count, find_non_zero;
 {
-  size_t tmp = 0;
+  size_t tmp;
   mbstate_t ps;
-  int point = 0;
+  int point;
   wchar_t wc;
 
+  tmp = 0;
+
   memset(&ps, 0, sizeof (mbstate_t));
   if (seed < 0)
     seed = 0;
   if (count <= 0)
     return seed;
 
-  point = seed + _rl_adjust_point(string, seed, &ps);
+  point = seed + _rl_adjust_point (string, seed, &ps);
   /* if this is true, means that seed was not pointed character
      started byte.  So correct the point and consume count */
   if (seed < point)
@@ -131,15 +128,16 @@ _rl_find_next_mbchar_internal (string, seed, count, find_non_zero)
   if (find_non_zero)
     {
       tmp = mbrtowc (&wc, string + point, strlen (string + point), &ps);
-      while (wcwidth (wc) == 0)
+      while (tmp > 0 && wcwidth (wc) == 0)
 	{
 	  point += tmp;
 	  tmp = mbrtowc (&wc, string + point, strlen (string + point), &ps);
-	  if (tmp == (size_t)(0) || tmp == (size_t)(-1) || tmp == (size_t)(-2))
+	  if (MB_NULLWCH (tmp) || MB_INVALIDCH (tmp))
 	    break;
 	}
     }
-    return point;
+
+  return point;
 }
 
 static int
@@ -318,6 +316,28 @@ _rl_is_mbchar_matched (string, seed, end, mbchar, length)
       return 0;
   return 1;
 }
+
+wchar_t
+_rl_char_value (buf, ind)
+     char *buf;
+     int ind;
+{
+  size_t tmp;
+  wchar_t wc;
+  mbstate_t ps;
+  int l;
+
+  if (MB_LEN_MAX == 1 || rl_byte_oriented)
+    return ((wchar_t) buf[ind]);
+  l = strlen (buf);
+  if (ind >= l - 1)
+    return ((wchar_t) buf[ind]);
+  memset (&ps, 0, sizeof (mbstate_t));
+  tmp = mbrtowc (&wc, buf + ind, l - ind, &ps);
+  if (MB_INVALIDCH (tmp) || MB_NULLWCH (tmp))  
+    return ((wchar_t) buf[ind]);
+  return wc;
+}
 #endif /* HANDLE_MULTIBYTE */
 
 /* Find next `count' characters started byte point of the specified seed.
diff --git a/cmd-line-utils/readline/misc.c b/cmd-line-utils/readline/misc.c
index c8739d0d750..94ecb25900a 100644
--- a/cmd-line-utils/readline/misc.c
+++ b/cmd-line-utils/readline/misc.c
@@ -1,6 +1,6 @@
 /* misc.c -- miscellaneous bindable readline functions. */
 
-/* Copyright (C) 1987-2004 Free Software Foundation, Inc.
+/* Copyright (C) 1987-2005 Free Software Foundation, Inc.
 
    This file is part of the GNU Readline Library, a library for
    reading lines of text with interactive input and history editing.
@@ -21,7 +21,9 @@
    59 Temple Place, Suite 330, Boston, MA 02111 USA. */
 #define READLINE_LIBRARY
 
-#include "config_readline.h"
+#if defined (HAVE_CONFIG_H)
+#  include <config.h>
+#endif
 
 #if defined (HAVE_UNISTD_H)
 #  include <unistd.h>
@@ -61,6 +63,8 @@ void _rl_free_history_entry PARAMS((HIST_ENTRY *));
    to preserve the value of rl_point from line to line. */
 int _rl_history_preserve_point = 0;
 
+_rl_arg_cxt _rl_argcxt;
+
 /* Saved target point for when _rl_history_preserve_point is set.  Special
    value of -1 means that point is at the end of the line. */
 int _rl_history_saved_point = -1;
@@ -71,77 +75,74 @@ int _rl_history_saved_point = -1;
 /*								    */
 /* **************************************************************** */
 
-/* Handle C-u style numeric args, as well as M--, and M-digits. */
-static int
-rl_digit_loop ()
+int
+_rl_arg_overflow ()
 {
-  int key, c, sawminus, sawdigits;
+  if (rl_numeric_arg > 1000000)
+    {
+      _rl_argcxt = 0;
+      rl_explicit_arg = rl_numeric_arg = 0;
+      rl_ding ();
+      rl_restore_prompt ();
+      rl_clear_message ();
+      RL_UNSETSTATE(RL_STATE_NUMERICARG);
+      return 1;
+    }
+  return 0;
+}
 
+void
+_rl_arg_init ()
+{
   rl_save_prompt ();
-
+  _rl_argcxt = 0;
   RL_SETSTATE(RL_STATE_NUMERICARG);
-  sawminus = sawdigits = 0;
-  while (1)
-    {
-      if (rl_numeric_arg > 1000000)
-	{
-	  sawdigits = rl_explicit_arg = rl_numeric_arg = 0;
-	  rl_ding ();
-	  rl_restore_prompt ();
-	  rl_clear_message ();
-	  RL_UNSETSTATE(RL_STATE_NUMERICARG);
-	  return 1;
-	}
-      rl_message ("(arg: %d) ", rl_arg_sign * rl_numeric_arg);
-      RL_SETSTATE(RL_STATE_MOREINPUT);
-      key = c = rl_read_key ();
-      RL_UNSETSTATE(RL_STATE_MOREINPUT);
+}
 
-      if (c < 0)
-	{
-	  _rl_abort_internal ();
-	  return -1;
-	}
+int
+_rl_arg_getchar ()
+{
+  int c;
 
-      /* If we see a key bound to `universal-argument' after seeing digits,
-	 it ends the argument but is otherwise ignored. */
-      if (_rl_keymap[c].type == ISFUNC &&
-	  _rl_keymap[c].function == rl_universal_argument)
-	{
-	  if (sawdigits == 0)
-	    {
-	      rl_numeric_arg *= 4;
-	      continue;
-	    }
-	  else
-	    {
-	      RL_SETSTATE(RL_STATE_MOREINPUT);
-	      key = rl_read_key ();
-	      RL_UNSETSTATE(RL_STATE_MOREINPUT);
-	      rl_restore_prompt ();
-	      rl_clear_message ();
-	      RL_UNSETSTATE(RL_STATE_NUMERICARG);
-	      return (_rl_dispatch (key, _rl_keymap));
-	    }
-	}
+  rl_message ("(arg: %d) ", rl_arg_sign * rl_numeric_arg);
+  RL_SETSTATE(RL_STATE_MOREINPUT);
+  c = rl_read_key ();
+  RL_UNSETSTATE(RL_STATE_MOREINPUT);
 
-      c = UNMETA (c);
+  return c;
+}
 
-      if (_rl_digit_p (c))
-	{
-	  rl_numeric_arg = rl_explicit_arg ? (rl_numeric_arg * 10) + c - '0' : c - '0';
-	  sawdigits = rl_explicit_arg = 1;
-	}
-      else if (c == '-' && rl_explicit_arg == 0)
+/* Process C as part of the current numeric argument.  Return -1 if the
+   argument should be aborted, 0 if we should not read any more chars, and
+   1 if we should continue to read chars. */
+int
+_rl_arg_dispatch (cxt, c)
+     _rl_arg_cxt cxt;
+     int c;
+{
+  int key, r;
+
+  key = c;
+
+  /* If we see a key bound to `universal-argument' after seeing digits,
+      it ends the argument but is otherwise ignored. */
+  if (_rl_keymap[c].type == ISFUNC && _rl_keymap[c].function == rl_universal_argument)
+    {
+      if ((cxt & NUM_SAWDIGITS) == 0)
 	{
-	  rl_numeric_arg = sawminus = 1;
-	  rl_arg_sign = -1;
+	  rl_numeric_arg *= 4;
+	  return 1;
 	}
+      else if (RL_ISSTATE (RL_STATE_CALLBACK))
+        {
+          _rl_argcxt |= NUM_READONE;
+          return 0;	/* XXX */
+        }
       else
 	{
-	  /* Make M-- command equivalent to M--1 command. */
-	  if (sawminus && rl_numeric_arg == 1 && rl_explicit_arg == 0)
-	    rl_explicit_arg = 1;
+	  RL_SETSTATE(RL_STATE_MOREINPUT);
+	  key = rl_read_key ();
+	  RL_UNSETSTATE(RL_STATE_MOREINPUT);
 	  rl_restore_prompt ();
 	  rl_clear_message ();
 	  RL_UNSETSTATE(RL_STATE_NUMERICARG);
@@ -149,45 +150,144 @@ rl_digit_loop ()
 	}
     }
 
-  /*NOTREACHED*/
-}
+  c = UNMETA (c);
 
-/* Add the current digit to the argument in progress. */
-int
-rl_digit_argument (int ignore __attribute__((unused)), int key)
-{
-  rl_execute_next (key);
-  return (rl_digit_loop ());
+  if (_rl_digit_p (c))
+    {
+      r = _rl_digit_value (c);    	
+      rl_numeric_arg = rl_explicit_arg ? (rl_numeric_arg * 10) +  r : r;
+      rl_explicit_arg = 1;
+      _rl_argcxt |= NUM_SAWDIGITS;
+    }
+  else if (c == '-' && rl_explicit_arg == 0)
+    {
+      rl_numeric_arg = 1;
+      _rl_argcxt |= NUM_SAWMINUS;
+      rl_arg_sign = -1;
+    }
+  else
+    {
+      /* Make M-- command equivalent to M--1 command. */
+      if ((_rl_argcxt & NUM_SAWMINUS) && rl_numeric_arg == 1 && rl_explicit_arg == 0)
+	rl_explicit_arg = 1;
+      rl_restore_prompt ();
+      rl_clear_message ();
+      RL_UNSETSTATE(RL_STATE_NUMERICARG);
+
+      r = _rl_dispatch (key, _rl_keymap);
+      if (RL_ISSTATE (RL_STATE_CALLBACK))
+	{
+	  /* At worst, this will cause an extra redisplay.  Otherwise,
+	     we have to wait until the next character comes in. */
+	  if (rl_done == 0)
+	    (*rl_redisplay_function) ();
+	  r = 0;
+	}
+      return r;
+    }
+
+  return 1;
 }
 
-/* What to do when you abort reading an argument. */
-int
-rl_discard_argument ()
+/* Handle C-u style numeric args, as well as M--, and M-digits. */
+static int
+rl_digit_loop ()
 {
-  rl_ding ();
-  rl_clear_message ();
-  _rl_init_argument ();
-  return 0;
+  int c, r;
+
+  while (1)
+    {
+      if (_rl_arg_overflow ())
+	return 1;
+
+      c = _rl_arg_getchar ();
+
+      if (c < 0)
+	{
+	  _rl_abort_internal ();
+	  return -1;
+	}
+
+      r = _rl_arg_dispatch (_rl_argcxt, c);
+      if (r <= 0 || (RL_ISSTATE (RL_STATE_NUMERICARG) == 0))
+        break;
+    }
+
+  return r;
 }
 
 /* Create a default argument. */
-int
-_rl_init_argument ()
+void
+_rl_reset_argument ()
 {
   rl_numeric_arg = rl_arg_sign = 1;
   rl_explicit_arg = 0;
-  return 0;
+  _rl_argcxt = 0;
+}
+
+/* Start a numeric argument with initial value KEY */
+int
+rl_digit_argument (ignore, key)
+     int ignore, key;
+{
+  _rl_arg_init ();
+  if (RL_ISSTATE (RL_STATE_CALLBACK))
+    {
+      _rl_arg_dispatch (_rl_argcxt, key);
+      rl_message ("(arg: %d) ", rl_arg_sign * rl_numeric_arg);
+      return 0;
+    }
+  else
+    {
+      rl_execute_next (key);
+      return (rl_digit_loop ());
+    }
 }
 
 /* C-u, universal argument.  Multiply the current argument by 4.
    Read a key.  If the key has nothing to do with arguments, then
    dispatch on it.  If the key is the abort character then abort. */
 int
-rl_universal_argument (int count __attribute__((unused)),
-                       int key  __attribute__((unused)))
+rl_universal_argument (count, key)
+     int count, key;
 {
+  _rl_arg_init ();
   rl_numeric_arg *= 4;
-  return (rl_digit_loop ());
+
+  return (RL_ISSTATE (RL_STATE_CALLBACK) ? 0 : rl_digit_loop ());
+}
+
+int
+_rl_arg_callback (cxt)
+     _rl_arg_cxt cxt;
+{
+  int c, r;
+
+  c = _rl_arg_getchar ();
+
+  if (_rl_argcxt & NUM_READONE)
+    {
+      _rl_argcxt &= ~NUM_READONE;
+      rl_restore_prompt ();
+      rl_clear_message ();
+      RL_UNSETSTATE(RL_STATE_NUMERICARG);
+      rl_execute_next (c);
+      return 0;
+    }
+
+  r = _rl_arg_dispatch (cxt, c);
+  return (r != 1);
+}
+
+/* What to do when you abort reading an argument. */
+int
+rl_discard_argument ()
+{
+  rl_ding ();
+  rl_clear_message ();
+  _rl_reset_argument ();
+
+  return 0;
 }
 
 /* **************************************************************** */
@@ -222,8 +322,10 @@ _rl_free_history_entry (entry)
 {
   if (entry == 0)
     return;
-  if (entry->line)
-    free (entry->line);
+
+  FREE (entry->line);
+  FREE (entry->timestamp);
+
   free (entry);
 }
 
@@ -239,6 +341,7 @@ rl_maybe_replace_line ()
     {
       temp = replace_history_entry (where_history (), rl_line_buffer, (histdata_t)rl_undo_list);
       free (temp->line);
+      FREE (temp->timestamp);
       free (temp);
     }
   return 0;
@@ -271,14 +374,9 @@ rl_maybe_save_line ()
     {
       _rl_saved_line_for_history = (HIST_ENTRY *)xmalloc (sizeof (HIST_ENTRY));
       _rl_saved_line_for_history->line = savestring (rl_line_buffer);
+      _rl_saved_line_for_history->timestamp = (char *)NULL;
       _rl_saved_line_for_history->data = (char *)rl_undo_list;
     }
-  else if (STREQ (rl_line_buffer, _rl_saved_line_for_history->line) == 0)
-    {
-      free (_rl_saved_line_for_history->line);
-      _rl_saved_line_for_history->line = savestring (rl_line_buffer);
-      _rl_saved_line_for_history->data = (char *)rl_undo_list;	/* XXX possible memleak */
-    }
 
   return 0;
 }
@@ -313,7 +411,9 @@ _rl_history_set_point ()
 }
 
 void
-rl_replace_from_history (HIST_ENTRY *entry, int flags __attribute__((unused)))
+rl_replace_from_history (entry, flags)
+     HIST_ENTRY *entry;
+     int flags;			/* currently unused */
 {
   /* Can't call with `1' because rl_undo_list might point to an undo list
      from a history entry, just like we're setting up here. */
@@ -339,15 +439,16 @@ rl_replace_from_history (HIST_ENTRY *entry, int flags __attribute__((unused)))
 
 /* Meta-< goes to the start of the history. */
 int
-rl_beginning_of_history (int count __attribute__((unused)), int key)
+rl_beginning_of_history (count, key)
+     int count, key;
 {
   return (rl_get_previous_history (1 + where_history (), key));
 }
 
 /* Meta-> goes to the end of the history.  (The current line). */
 int
-rl_end_of_history (int count __attribute__((unused)),
-                   int key __attribute__((unused)))
+rl_end_of_history (count, key)
+     int count, key;
 {
   rl_maybe_replace_line ();
   using_history ();
@@ -451,7 +552,8 @@ rl_get_previous_history (count, key)
 /* **************************************************************** */
 /* How to toggle back and forth between editing modes. */
 int
-rl_vi_editing_mode (int count __attribute__((unused)), int key)
+rl_vi_editing_mode (count, key)
+     int count, key;
 {
 #if defined (VI_MODE)
   _rl_set_insert_mode (RL_IM_INSERT, 1);	/* vi mode ignores insert mode */
@@ -463,8 +565,8 @@ rl_vi_editing_mode (int count __attribute__((unused)), int key)
 }
 
 int
-rl_emacs_editing_mode (int count __attribute__((unused)),
-                       int key __attribute__((unused)))
+rl_emacs_editing_mode (count, key)
+     int count, key;
 {
   rl_editing_mode = emacs_mode;
   _rl_set_insert_mode (RL_IM_INSERT, 1); /* emacs mode default is insert mode */
@@ -474,7 +576,8 @@ rl_emacs_editing_mode (int count __attribute__((unused)),
 
 /* Function for the rest of the library to use to set insert/overwrite mode. */
 void
-_rl_set_insert_mode (int im, int force __attribute__((unused)))
+_rl_set_insert_mode (im, force)
+     int im, force;
 {
 #ifdef CURSOR_MODE
   _rl_set_cursor (im, force);
@@ -486,7 +589,8 @@ _rl_set_insert_mode (int im, int force __attribute__((unused)))
 /* Toggle overwrite mode.  A positive explicit argument selects overwrite
    mode.  A negative or zero explicit argument selects insert mode. */
 int
-rl_overwrite_mode (int count, int key __attribute__((unused)))
+rl_overwrite_mode (count, key)
+     int count, key;
 {
   if (rl_explicit_arg == 0)
     _rl_set_insert_mode (rl_insert_mode ^ 1, 0);
diff --git a/cmd-line-utils/readline/nls.c b/cmd-line-utils/readline/nls.c
index 73ad0227195..bcee87561aa 100644
--- a/cmd-line-utils/readline/nls.c
+++ b/cmd-line-utils/readline/nls.c
@@ -21,7 +21,9 @@
    59 Temple Place, Suite 330, Boston, MA 02111 USA. */
 #define READLINE_LIBRARY
 
-#include "config_readline.h"
+#if defined (HAVE_CONFIG_H)
+#  include <config.h>
+#endif
 
 #include <sys/types.h>
 
@@ -111,7 +113,7 @@ _rl_init_eightbit ()
   if (lspec == 0 || *lspec == 0)
     lspec = setlocale (LC_CTYPE, (char *)NULL);
   if (lspec == 0)
-    lspec = (char*) "";
+    lspec = "";
   t = setlocale (LC_CTYPE, lspec);
 
   if (t && *t && (t[0] != 'C' || t[1]) && (STREQ (t, "POSIX") == 0))
diff --git a/cmd-line-utils/readline/parens.c b/cmd-line-utils/readline/parens.c
index bb893ac1bfb..737f7675e93 100644
--- a/cmd-line-utils/readline/parens.c
+++ b/cmd-line-utils/readline/parens.c
@@ -27,7 +27,9 @@
 
 #include "rlconf.h"
 
-#include "config_readline.h"
+#if defined (HAVE_CONFIG_H)
+#  include <config.h>
+#endif
 
 #include <stdio.h>
 #include <sys/types.h>
diff --git a/cmd-line-utils/readline/readline.c b/cmd-line-utils/readline/readline.c
index dd3724a86d7..c2b74006b05 100644
--- a/cmd-line-utils/readline/readline.c
+++ b/cmd-line-utils/readline/readline.c
@@ -1,7 +1,7 @@
 /* readline.c -- a general facility for reading lines of input
    with emacs style editing and completion. */
 
-/* Copyright (C) 1987-2002 Free Software Foundation, Inc.
+/* Copyright (C) 1987-2005 Free Software Foundation, Inc.
 
    This file is part of the GNU Readline Library, a library for
    reading lines of text with interactive input and history editing.
@@ -22,7 +22,9 @@
    59 Temple Place, Suite 330, Boston, MA 02111 USA. */
 #define READLINE_LIBRARY
 
-#include "config_readline.h"
+#if defined (HAVE_CONFIG_H)
+#  include <config.h>
+#endif
 
 #include <sys/types.h>
 #include "posixstat.h"
@@ -47,6 +49,11 @@
 
 #include <stdio.h>
 #include "posixjmp.h"
+#include <errno.h>
+
+#if !defined (errno)
+extern int errno;
+#endif /* !errno */
 
 /* System-specific feature definitions and include files. */
 #include "rldefs.h"
@@ -66,11 +73,11 @@
 #include "xmalloc.h"
 
 #ifndef RL_LIBRARY_VERSION
-#  define RL_LIBRARY_VERSION "5.0"
+#  define RL_LIBRARY_VERSION "5.1"
 #endif
 
 #ifndef RL_READLINE_VERSION
-#  define RL_READLINE_VERSION	0x0500
+#  define RL_READLINE_VERSION	0x0501
 #endif
 
 extern void _rl_free_history_entry PARAMS((HIST_ENTRY *));
@@ -83,9 +90,10 @@ static void bind_arrow_keys_internal PARAMS((Keymap));
 static void bind_arrow_keys PARAMS((void));
 
 static void readline_default_bindings PARAMS((void));
-#ifdef NOT_USED
 static void reset_default_bindings PARAMS((void));
-#endif
+
+static int _rl_subseq_result PARAMS((int, Keymap, int, int));
+static int _rl_subseq_getchar PARAMS((int));
 
 /* **************************************************************** */
 /*								    */
@@ -104,6 +112,7 @@ int rl_gnu_readline_p = 1;
    By default, it is the standard emacs keymap. */
 Keymap _rl_keymap = emacs_standard_keymap;
 
+
 /* The current style of editing. */
 int rl_editing_mode = emacs_mode;
 
@@ -219,6 +228,9 @@ char *_rl_comment_begin;
 /* Keymap holding the function currently being executed. */
 Keymap rl_executing_keymap;
 
+/* Keymap we're currently using to dispatch. */
+Keymap _rl_dispatching_keymap;
+
 /* Non-zero means to erase entire line, including prompt, on empty input lines. */
 int rl_erase_empty_line = 0;
 
@@ -230,6 +242,9 @@ int rl_num_chars_to_read;
 char *rl_line_buffer = (char *)NULL;
 int rl_line_buffer_len = 0;
 
+/* Key sequence `contexts' */
+_rl_keyseq_cxt *_rl_kscxt = 0;
+
 /* Forward declarations used by the display, termcap, and history code. */
 
 /* **************************************************************** */
@@ -251,6 +266,10 @@ int _rl_convert_meta_chars_to_ascii = 1;
    rather than as a meta-prefixed escape sequence. */
 int _rl_output_meta_chars = 0;
 
+/* Non-zero means to look at the termios special characters and bind
+   them to equivalent readline functions at startup. */
+int _rl_bind_stty_chars = 1;
+
 /* **************************************************************** */
 /*								    */
 /*			Top Level Functions			    */
@@ -268,6 +287,7 @@ rl_set_prompt (prompt)
 {
   FREE (rl_prompt);
   rl_prompt = prompt ? savestring (prompt) : (char *)NULL;
+  rl_display_prompt = rl_prompt ? rl_prompt : "";
 
   rl_visible_prompt_length = rl_expand_prompt (rl_prompt);
   return 0;
@@ -291,14 +311,16 @@ readline (prompt)
   rl_set_prompt (prompt);
 
   rl_initialize ();
-  (*rl_prep_term_function) (_rl_meta_flag);
+  if (rl_prep_term_function)
+    (*rl_prep_term_function) (_rl_meta_flag);
 
 #if defined (HANDLE_SIGNALS)
   rl_set_signals ();
 #endif
 
   value = readline_internal ();
-  (*rl_deprep_term_function) ();
+  if (rl_deprep_term_function)
+    (*rl_deprep_term_function) ();
 
 #if defined (HANDLE_SIGNALS)
   rl_clear_signals ();
@@ -388,6 +410,36 @@ readline_internal_teardown (eof)
   return (eof ? (char *)NULL : savestring (the_line));
 }
 
+void
+_rl_internal_char_cleanup ()
+{
+#if defined (VI_MODE)
+  /* In vi mode, when you exit insert mode, the cursor moves back
+     over the previous character.  We explicitly check for that here. */
+  if (rl_editing_mode == vi_mode && _rl_keymap == vi_movement_keymap)
+    rl_vi_check ();
+#endif /* VI_MODE */
+
+  if (rl_num_chars_to_read && rl_end >= rl_num_chars_to_read)
+    {
+      (*rl_redisplay_function) ();
+      _rl_want_redisplay = 0;
+      rl_newline (1, '\n');
+    }
+
+  if (rl_done == 0)
+    {
+      (*rl_redisplay_function) ();
+      _rl_want_redisplay = 0;
+    }
+
+  /* If the application writer has told us to erase the entire line if
+     the only character typed was something bound to rl_newline, do so. */
+  if (rl_erase_empty_line && rl_done && rl_last_func == rl_newline &&
+      rl_point == 0 && rl_end == 0)
+    _rl_erase_entire_line ();
+}
+
 STATIC_CALLBACK int
 #if defined (READLINE_CALLBACKS)
 readline_internal_char ()
@@ -410,12 +462,21 @@ readline_internal_charloop ()
       code = setjmp (readline_top_level);
 
       if (code)
-	(*rl_redisplay_function) ();
+	{
+	  (*rl_redisplay_function) ();
+	  _rl_want_redisplay = 0;
+	  /* If we get here, we're not being called from something dispatched
+	     from _rl_callback_read_char(), which sets up its own value of
+	     readline_top_level (saving and restoring the old, of course), so
+	     we can just return here. */
+	  if (RL_ISSTATE (RL_STATE_CALLBACK))
+	    return (0);
+	}
 
       if (rl_pending_input == 0)
 	{
 	  /* Then initialize the argument and number of keys read. */
-	  _rl_init_argument ();
+	  _rl_reset_argument ();
 	  rl_key_sequence_length = 0;
 	}
 
@@ -423,6 +484,20 @@ readline_internal_charloop ()
       c = rl_read_key ();
       RL_UNSETSTATE(RL_STATE_READCMD);
 
+      /* look at input.c:rl_getc() for the circumstances under which this will
+	 be returned; punt immediately on read error without converting it to
+	 a newline. */
+      if (c == READERR)
+	{
+#if defined (READLINE_CALLBACKS)
+	  RL_SETSTATE(RL_STATE_DONE);
+	  return (rl_done = 1);
+#else
+	  eof_found = 1;
+	  break;
+#endif
+	}
+
       /* EOF typed to a non-blank line is a <NL>. */
       if (c == EOF && rl_end)
 	c = NEWLINE;
@@ -449,27 +524,7 @@ readline_internal_charloop ()
       if (rl_pending_input == 0 && lk == _rl_last_command_was_kill)
 	_rl_last_command_was_kill = 0;
 
-#if defined (VI_MODE)
-      /* In vi mode, when you exit insert mode, the cursor moves back
-	 over the previous character.  We explicitly check for that here. */
-      if (rl_editing_mode == vi_mode && _rl_keymap == vi_movement_keymap)
-	rl_vi_check ();
-#endif /* VI_MODE */
-
-      if (rl_num_chars_to_read && rl_end >= rl_num_chars_to_read)
-        {
-          (*rl_redisplay_function) ();
-          rl_newline (1, '\n');
-        }
-
-      if (rl_done == 0)
-	(*rl_redisplay_function) ();
-
-      /* If the application writer has told us to erase the entire line if
-	  the only character typed was something bound to rl_newline, do so. */
-      if (rl_erase_empty_line && rl_done && rl_last_func == rl_newline &&
-	  rl_point == 0 && rl_end == 0)
-	_rl_erase_entire_line ();
+      _rl_internal_char_cleanup ();
 
 #if defined (READLINE_CALLBACKS)
       return 0;
@@ -519,6 +574,107 @@ _rl_set_the_line ()
   the_line = rl_line_buffer;
 }
 
+#if defined (READLINE_CALLBACKS)
+_rl_keyseq_cxt *
+_rl_keyseq_cxt_alloc ()
+{
+  _rl_keyseq_cxt *cxt;
+
+  cxt = (_rl_keyseq_cxt *)xmalloc (sizeof (_rl_keyseq_cxt));
+
+  cxt->flags = cxt->subseq_arg = cxt->subseq_retval = 0;
+
+  cxt->okey = 0;
+  cxt->ocxt = _rl_kscxt;
+  cxt->childval = 42;		/* sentinel value */
+
+  return cxt;
+}
+
+void
+_rl_keyseq_cxt_dispose (cxt)
+    _rl_keyseq_cxt *cxt;
+{
+  free (cxt);
+}
+
+void
+_rl_keyseq_chain_dispose ()
+{
+  _rl_keyseq_cxt *cxt;
+
+  while (_rl_kscxt)
+    {
+      cxt = _rl_kscxt;
+      _rl_kscxt = _rl_kscxt->ocxt;
+      _rl_keyseq_cxt_dispose (cxt);
+    }
+}
+#endif
+
+static int
+_rl_subseq_getchar (key)
+     int key;
+{
+  int k;
+
+  if (key == ESC)
+    RL_SETSTATE(RL_STATE_METANEXT);
+  RL_SETSTATE(RL_STATE_MOREINPUT);
+  k = rl_read_key ();
+  RL_UNSETSTATE(RL_STATE_MOREINPUT);
+  if (key == ESC)
+    RL_UNSETSTATE(RL_STATE_METANEXT);
+
+  return k;
+}
+
+#if defined (READLINE_CALLBACKS)
+int
+_rl_dispatch_callback (cxt)
+     _rl_keyseq_cxt *cxt;
+{
+  int nkey, r;
+
+  /* For now */
+#if 1
+  /* The first time this context is used, we want to read input and dispatch
+     on it.  When traversing the chain of contexts back `up', we want to use
+     the value from the next context down.  We're simulating recursion using
+     a chain of contexts. */
+  if ((cxt->flags & KSEQ_DISPATCHED) == 0)
+    {
+      nkey = _rl_subseq_getchar (cxt->okey);
+      r = _rl_dispatch_subseq (nkey, cxt->dmap, cxt->subseq_arg);
+      cxt->flags |= KSEQ_DISPATCHED;
+    }
+  else
+    r = cxt->childval;
+#else
+  r = _rl_dispatch_subseq (nkey, cxt->dmap, cxt->subseq_arg);
+#endif
+
+  /* For now */
+  r = _rl_subseq_result (r, cxt->oldmap, cxt->okey, (cxt->flags & KSEQ_SUBSEQ));
+
+  if (r == 0)			/* success! */
+    {
+      _rl_keyseq_chain_dispose ();
+      RL_UNSETSTATE (RL_STATE_MULTIKEY);
+      return r;
+    }
+
+  if (r != -3)			/* magic value that says we added to the chain */
+    _rl_kscxt = cxt->ocxt;
+  if (_rl_kscxt)
+    _rl_kscxt->childval = r;
+  if (r != -3)
+    _rl_keyseq_cxt_dispose (cxt);
+
+  return r;
+}
+#endif /* READLINE_CALLBACKS */
+  
 /* Do the command associated with KEY in MAP.
    If the associated command is really a keymap, then read
    another key, and dispatch into that map. */
@@ -527,6 +683,7 @@ _rl_dispatch (key, map)
      register int key;
      Keymap map;
 {
+  _rl_dispatching_keymap = map;
   return _rl_dispatch_subseq (key, map, 0);
 }
 
@@ -539,6 +696,9 @@ _rl_dispatch_subseq (key, map, got_subseq)
   int r, newkey;
   char *macro;
   rl_command_func_t *func;
+#if defined (READLINE_CALLBACKS)
+  _rl_keyseq_cxt *cxt;
+#endif
 
   if (META_CHAR (key) && _rl_convert_meta_chars_to_ascii)
     {
@@ -572,13 +732,9 @@ _rl_dispatch_subseq (key, map, got_subseq)
 
 	  rl_executing_keymap = map;
 
-#if 0
-	  _rl_suppress_redisplay = (map[key].function == rl_insert) && _rl_input_available ();
-#endif
-
 	  rl_dispatching = 1;
 	  RL_SETSTATE(RL_STATE_DISPATCHING);
-	  r = (*map[key].function)(rl_numeric_arg * rl_arg_sign, key);
+	  (*map[key].function)(rl_numeric_arg * rl_arg_sign, key);
 	  RL_UNSETSTATE(RL_STATE_DISPATCHING);
 	  rl_dispatching = 0;
 
@@ -607,6 +763,10 @@ _rl_dispatch_subseq (key, map, got_subseq)
 	}
       else
 	{
+#if defined (READLINE_CALLBACKS)
+	  RL_UNSETSTATE (RL_STATE_MULTIKEY);
+	  _rl_keyseq_chain_dispose ();
+#endif
 	  _rl_abort_internal ();
 	  return -1;
 	}
@@ -628,58 +788,43 @@ _rl_dispatch_subseq (key, map, got_subseq)
 #endif
 
 	  rl_key_sequence_length++;
+	  _rl_dispatching_keymap = FUNCTION_TO_KEYMAP (map, key);
 
-	  if (key == ESC)
-	    RL_SETSTATE(RL_STATE_METANEXT);
-	  RL_SETSTATE(RL_STATE_MOREINPUT);
-	  newkey = rl_read_key ();
-	  RL_UNSETSTATE(RL_STATE_MOREINPUT);
-	  if (key == ESC)
-	    RL_UNSETSTATE(RL_STATE_METANEXT);
+	  /* Allocate new context here.  Use linked contexts (linked through
+	     cxt->ocxt) to simulate recursion */
+#if defined (READLINE_CALLBACKS)
+	  if (RL_ISSTATE (RL_STATE_CALLBACK))
+	    {
+	      /* Return 0 only the first time, to indicate success to
+		 _rl_callback_read_char.  The rest of the time, we're called
+		 from _rl_dispatch_callback, so we return 3 to indicate
+		 special handling is necessary. */
+	      r = RL_ISSTATE (RL_STATE_MULTIKEY) ? -3 : 0;
+	      cxt = _rl_keyseq_cxt_alloc ();
+
+	      if (got_subseq)
+		cxt->flags |= KSEQ_SUBSEQ;
+	      cxt->okey = key;
+	      cxt->oldmap = map;
+	      cxt->dmap = _rl_dispatching_keymap;
+	      cxt->subseq_arg = got_subseq || cxt->dmap[ANYOTHERKEY].function;
+
+	      RL_SETSTATE (RL_STATE_MULTIKEY);
+	      _rl_kscxt = cxt;
+
+	      return r;		/* don't indicate immediate success */
+	    }
+#endif
 
+	  newkey = _rl_subseq_getchar (key);
 	  if (newkey < 0)
 	    {
 	      _rl_abort_internal ();
 	      return -1;
 	    }
 
-	  r = _rl_dispatch_subseq (newkey, FUNCTION_TO_KEYMAP (map, key), got_subseq || map[ANYOTHERKEY].function);
-
-	  if (r == -2)
-	    /* We didn't match anything, and the keymap we're indexed into
-	       shadowed a function previously bound to that prefix.  Call
-	       the function.  The recursive call to _rl_dispatch_subseq has
-	       already taken care of pushing any necessary input back onto
-	       the input queue with _rl_unget_char. */
-	    {
-#if 0
-	      r = _rl_dispatch (ANYOTHERKEY, FUNCTION_TO_KEYMAP (map, key));
-#else
-	      /* XXX - experimental code -- might never be executed.  Save
-		 for later. */
-	      Keymap m = FUNCTION_TO_KEYMAP (map, key);
-	      int type = m[ANYOTHERKEY].type;
-	      func = m[ANYOTHERKEY].function;
-	      if (type == ISFUNC && func == rl_do_lowercase_version)
-		r = _rl_dispatch (_rl_to_lower (key), map);
-	      else
-		r = _rl_dispatch (ANYOTHERKEY, m);
-#endif
-	    }
-	  else if (r && map[ANYOTHERKEY].function)
-	    {
-	      /* We didn't match (r is probably -1), so return something to
-		 tell the caller that it should try ANYOTHERKEY for an
-		 overridden function. */
-	      _rl_unget_char (key);
-	      return -2;
-	    }
-	  else if (r && got_subseq)
-	    {
-	      /* OK, back up the chain. */
-	      _rl_unget_char (key);
-	      return -1;
-	    }
+	  r = _rl_dispatch_subseq (newkey, _rl_dispatching_keymap, got_subseq || map[ANYOTHERKEY].function);
+	  return _rl_subseq_result (r, map, key, got_subseq);
 	}
       else
 	{
@@ -703,9 +848,69 @@ _rl_dispatch_subseq (key, map, got_subseq)
       _rl_vi_textmod_command (key))
     _rl_vi_set_last (key, rl_numeric_arg, rl_arg_sign);
 #endif
+
   return (r);
 }
 
+static int
+_rl_subseq_result (r, map, key, got_subseq)
+     int r;
+     Keymap map;
+     int key, got_subseq;
+{
+  Keymap m;
+  int type, nt;
+  rl_command_func_t *func, *nf;
+  
+  if (r == -2)
+    /* We didn't match anything, and the keymap we're indexed into
+       shadowed a function previously bound to that prefix.  Call
+       the function.  The recursive call to _rl_dispatch_subseq has
+       already taken care of pushing any necessary input back onto
+       the input queue with _rl_unget_char. */
+    {
+      m = _rl_dispatching_keymap;
+      type = m[ANYOTHERKEY].type;
+      func = m[ANYOTHERKEY].function;
+      if (type == ISFUNC && func == rl_do_lowercase_version)
+	r = _rl_dispatch (_rl_to_lower (key), map);
+      else if (type == ISFUNC && func == rl_insert)
+	{
+	  /* If the function that was shadowed was self-insert, we
+	     somehow need a keymap with map[key].func == self-insert.
+	     Let's use this one. */
+	  nt = m[key].type;
+	  nf = m[key].function;
+
+	  m[key].type = type;
+	  m[key].function = func;
+	  r = _rl_dispatch (key, m);
+	  m[key].type = nt;
+	  m[key].function = nf;
+	}
+      else
+	r = _rl_dispatch (ANYOTHERKEY, m);
+    }
+  else if (r && map[ANYOTHERKEY].function)
+    {
+      /* We didn't match (r is probably -1), so return something to
+	 tell the caller that it should try ANYOTHERKEY for an
+	 overridden function. */
+      _rl_unget_char (key);
+      _rl_dispatching_keymap = map;
+      return -2;
+    }
+  else if (r && got_subseq)
+    {
+      /* OK, back up the chain. */
+      _rl_unget_char (key);
+      _rl_dispatching_keymap = map;
+      return -1;
+    }
+
+  return r;
+}
+
 /* **************************************************************** */
 /*								    */
 /*			Initializations 			    */
@@ -863,19 +1068,21 @@ readline_initialize_everything ()
 static void
 readline_default_bindings ()
 {
-  rl_tty_set_default_bindings (_rl_keymap);
+  if (_rl_bind_stty_chars)
+    rl_tty_set_default_bindings (_rl_keymap);
 }
 
 /* Reset the default bindings for the terminal special characters we're
    interested in back to rl_insert and read the new ones. */
-#ifdef NOT_USED
 static void
 reset_default_bindings ()
 {
-  rl_tty_unset_default_bindings (_rl_keymap);
-  rl_tty_set_default_bindings (_rl_keymap);
+  if (_rl_bind_stty_chars)
+    {
+      rl_tty_unset_default_bindings (_rl_keymap);
+      rl_tty_set_default_bindings (_rl_keymap);
+    }
 }
-#endif
 
 /* Bind some common arrow key sequences in MAP. */
 static void
@@ -908,6 +1115,13 @@ bind_arrow_keys_internal (map)
   rl_bind_keyseq_if_unbound ("\033OH", rl_beg_of_line);
   rl_bind_keyseq_if_unbound ("\033OF", rl_end_of_line);
 
+#if defined (__MINGW32__)
+  rl_bind_keyseq_if_unbound ("\340H", rl_get_previous_history);
+  rl_bind_keyseq_if_unbound ("\340P", rl_get_next_history);
+  rl_bind_keyseq_if_unbound ("\340M", rl_forward_char);
+  rl_bind_keyseq_if_unbound ("\340K", rl_backward_char);
+#endif
+
   _rl_keymap = xkeymap;
 }
 
diff --git a/cmd-line-utils/readline/readline.h b/cmd-line-utils/readline/readline.h
index 222b317c4a8..b71bf98d204 100644
--- a/cmd-line-utils/readline/readline.h
+++ b/cmd-line-utils/readline/readline.h
@@ -1,6 +1,6 @@
 /* Readline.h -- the names of functions callable from within readline. */
 
-/* Copyright (C) 1987-2004 Free Software Foundation, Inc.
+/* Copyright (C) 1987-2005 Free Software Foundation, Inc.
 
    This file is part of the GNU Readline Library, a library for
    reading lines of text with interactive input and history editing.
@@ -40,9 +40,9 @@ extern "C" {
 #endif
 
 /* Hex-encoded Readline version number. */
-#define RL_READLINE_VERSION	0x0500		/* Readline 5.0 */
+#define RL_READLINE_VERSION	0x0502		/* Readline 5.2 */
 #define RL_VERSION_MAJOR	5
-#define RL_VERSION_MINOR	0
+#define RL_VERSION_MINOR	2
 
 /* Readline data structures. */
 
@@ -241,6 +241,7 @@ extern int rl_vi_column PARAMS((int, int));
 extern int rl_vi_delete_to PARAMS((int, int));
 extern int rl_vi_change_to PARAMS((int, int));
 extern int rl_vi_yank_to PARAMS((int, int));
+extern int rl_vi_rubout PARAMS((int, int));
 extern int rl_vi_delete PARAMS((int, int));
 extern int rl_vi_back_to_indent PARAMS((int, int));
 extern int rl_vi_first_print PARAMS((int, int));
@@ -302,6 +303,8 @@ extern int rl_bind_keyseq_in_map PARAMS((const char *, rl_command_func_t *, Keym
 extern int rl_bind_keyseq_if_unbound PARAMS((const char *, rl_command_func_t *));
 extern int rl_bind_keyseq_if_unbound_in_map PARAMS((const char *, rl_command_func_t *, Keymap));
 extern int rl_generic_bind PARAMS((int, const char *, char *, Keymap));
+
+extern char *rl_variable_value PARAMS((const char *));
 extern int rl_variable_bind PARAMS((const char *, const char *));
 
 /* Backwards compatibility, use rl_bind_keyseq_in_map instead. */
@@ -401,6 +404,7 @@ extern int rl_reset_terminal PARAMS((const char *));
 extern void rl_resize_terminal PARAMS((void));
 extern void rl_set_screen_size PARAMS((int, int));
 extern void rl_get_screen_size PARAMS((int *, int *));
+extern void rl_reset_screen_size PARAMS((void));
 
 extern char *rl_get_termcap PARAMS((const char *));
 
@@ -528,6 +532,11 @@ extern const char *rl_terminal_name;
 extern FILE *rl_instream;
 extern FILE *rl_outstream;
 
+/* If non-zero, Readline gives values of LINES and COLUMNS from the environment
+   greater precedence than values fetched from the kernel when computing the
+   screen dimensions. */
+extern int rl_prefer_env_winsize;
+
 /* If non-zero, then this is the address of a function to call just
    before readline_internal () prints the first prompt. */
 extern rl_hook_func_t *rl_startup_hook;
@@ -748,6 +757,10 @@ extern int rl_ignore_completion_duplicates;
    completion character will be inserted as any other. */
 extern int rl_inhibit_completion;
 
+/* Input error; can be returned by (*rl_getc_function) if readline is reading
+   a top-level command (RL_ISSTATE (RL_STATE_READCMD)). */
+#define READERR			(-2)
+
 /* Definitions available for use by readline clients. */
 #define RL_PROMPT_START_IGNORE	'\001'
 #define RL_PROMPT_END_IGNORE	'\002'
@@ -759,29 +772,33 @@ extern int rl_inhibit_completion;
 #define MULT_MATCH      2
 
 /* Possible state values for rl_readline_state */
-#define RL_STATE_NONE		0x00000		/* no state; before first call */
-
-#define RL_STATE_INITIALIZING	0x00001		/* initializing */
-#define RL_STATE_INITIALIZED	0x00002		/* initialization done */
-#define RL_STATE_TERMPREPPED	0x00004		/* terminal is prepped */
-#define RL_STATE_READCMD	0x00008		/* reading a command key */
-#define RL_STATE_METANEXT	0x00010		/* reading input after ESC */
-#define RL_STATE_DISPATCHING	0x00020		/* dispatching to a command */
-#define RL_STATE_MOREINPUT	0x00040		/* reading more input in a command function */
-#define RL_STATE_ISEARCH	0x00080		/* doing incremental search */
-#define RL_STATE_NSEARCH	0x00100		/* doing non-inc search */
-#define RL_STATE_SEARCH		0x00200		/* doing a history search */
-#define RL_STATE_NUMERICARG	0x00400		/* reading numeric argument */
-#define RL_STATE_MACROINPUT	0x00800		/* getting input from a macro */
-#define RL_STATE_MACRODEF	0x01000		/* defining keyboard macro */
-#define RL_STATE_OVERWRITE	0x02000		/* overwrite mode */
-#define RL_STATE_COMPLETING	0x04000		/* doing completion */
-#define RL_STATE_SIGHANDLER	0x08000		/* in readline sighandler */
-#define RL_STATE_UNDOING	0x10000		/* doing an undo */
-#define RL_STATE_INPUTPENDING	0x20000		/* rl_execute_next called */
-#define RL_STATE_TTYCSAVED	0x40000		/* tty special chars saved */
-
-#define RL_STATE_DONE		0x80000		/* done; accepted line */
+#define RL_STATE_NONE		0x000000		/* no state; before first call */
+
+#define RL_STATE_INITIALIZING	0x000001	/* initializing */
+#define RL_STATE_INITIALIZED	0x000002	/* initialization done */
+#define RL_STATE_TERMPREPPED	0x000004	/* terminal is prepped */
+#define RL_STATE_READCMD	0x000008	/* reading a command key */
+#define RL_STATE_METANEXT	0x000010	/* reading input after ESC */
+#define RL_STATE_DISPATCHING	0x000020	/* dispatching to a command */
+#define RL_STATE_MOREINPUT	0x000040	/* reading more input in a command function */
+#define RL_STATE_ISEARCH	0x000080	/* doing incremental search */
+#define RL_STATE_NSEARCH	0x000100	/* doing non-inc search */
+#define RL_STATE_SEARCH		0x000200	/* doing a history search */
+#define RL_STATE_NUMERICARG	0x000400	/* reading numeric argument */
+#define RL_STATE_MACROINPUT	0x000800	/* getting input from a macro */
+#define RL_STATE_MACRODEF	0x001000	/* defining keyboard macro */
+#define RL_STATE_OVERWRITE	0x002000	/* overwrite mode */
+#define RL_STATE_COMPLETING	0x004000	/* doing completion */
+#define RL_STATE_SIGHANDLER	0x008000	/* in readline sighandler */
+#define RL_STATE_UNDOING	0x010000	/* doing an undo */
+#define RL_STATE_INPUTPENDING	0x020000	/* rl_execute_next called */
+#define RL_STATE_TTYCSAVED	0x040000	/* tty special chars saved */
+#define RL_STATE_CALLBACK	0x080000	/* using the callback interface */
+#define RL_STATE_VIMOTION	0x100000	/* reading vi motion arg */
+#define RL_STATE_MULTIKEY	0x200000	/* reading multiple-key command */
+#define RL_STATE_VICMDONCE	0x400000	/* entered vi command mode at least once */
+
+#define RL_STATE_DONE		0x800000	/* done; accepted line */
 
 #define RL_SETSTATE(x)		(rl_readline_state |= (x))
 #define RL_UNSETSTATE(x)	(rl_readline_state &= ~(x))
diff --git a/cmd-line-utils/readline/rlconf.h b/cmd-line-utils/readline/rlconf.h
index c651fd8b41f..ff3929e0bf5 100644
--- a/cmd-line-utils/readline/rlconf.h
+++ b/cmd-line-utils/readline/rlconf.h
@@ -37,9 +37,12 @@
 /* Ugly but working hack for binding prefix meta. */
 #define PREFIX_META_HACK
 
-/* The final, last-ditch effort file name for an init file. */
+/* The next-to-last-ditch effort file name for a user-specific init file. */
 #define DEFAULT_INPUTRC "~/.inputrc"
 
+/* The ultimate last-ditch filenname for an init file -- system-wide. */
+#define SYS_INPUTRC "/etc/inputrc"
+
 /* If defined, expand tabs to spaces. */
 #define DISPLAY_TABS
 
diff --git a/cmd-line-utils/readline/rldefs.h b/cmd-line-utils/readline/rldefs.h
index 0d600407b5f..0f6c87446dd 100644
--- a/cmd-line-utils/readline/rldefs.h
+++ b/cmd-line-utils/readline/rldefs.h
@@ -2,7 +2,7 @@
    for readline.  This should be included after any files that define
    system-specific constants like _POSIX_VERSION or USG. */
 
-/* Copyright (C) 1987,1989 Free Software Foundation, Inc.
+/* Copyright (C) 1987-2005 Free Software Foundation, Inc.
 
    This file contains the Readline Library (the Library), a set of
    routines for providing Emacs style line input to programs that ask
@@ -38,7 +38,11 @@
 #  if defined (HAVE_TERMIO_H)
 #    define TERMIO_TTY_DRIVER
 #  else
-#    define NEW_TTY_DRIVER
+#    if !defined (__MINGW32__)
+#      define NEW_TTY_DRIVER
+#    else
+#      define NO_TTY_DRIVER
+#    endif
 #  endif
 #endif
 
diff --git a/cmd-line-utils/readline/rlmbutil.h b/cmd-line-utils/readline/rlmbutil.h
index 77cc026e3e8..dd317e2a090 100644
--- a/cmd-line-utils/readline/rlmbutil.h
+++ b/cmd-line-utils/readline/rlmbutil.h
@@ -32,10 +32,19 @@
 /* For platforms which support the ISO C amendement 1 functionality we
    support user defined character classes.  */
    /* Solaris 2.5 has a bug: <wchar.h> must be included before <wctype.h>.  */
-#if defined (HAVE_WCTYPE_H) && defined (HAVE_WCHAR_H)
+#if defined (HAVE_WCTYPE_H) && defined (HAVE_WCHAR_H) && defined (HAVE_LOCALE_H)
 #  include <wchar.h>
 #  include <wctype.h>
-#  if defined (HAVE_MBSRTOWCS) && defined (HAVE_MBRTOWC) && defined (HAVE_MBRLEN) && defined (HAVE_WCWIDTH)
+#  if defined (HAVE_ISWCTYPE) && \
+      defined (HAVE_ISWLOWER) && \
+      defined (HAVE_ISWUPPER) && \
+      defined (HAVE_MBSRTOWCS) && \
+      defined (HAVE_MBRTOWC) && \
+      defined (HAVE_MBRLEN) && \
+      defined (HAVE_TOWLOWER) && \
+      defined (HAVE_TOWUPPER) && \
+      defined (HAVE_WCHAR_T) && \
+      defined (HAVE_WCWIDTH)
      /* system is supposed to support XPG5 */
 #    define HANDLE_MULTIBYTE      1
 #  endif
@@ -97,6 +106,21 @@ extern int _rl_read_mbstring PARAMS((int, char *, int));
 
 extern int _rl_is_mbchar_matched PARAMS((char *, int, int, char *, int));
 
+extern wchar_t _rl_char_value PARAMS((char *, int));
+extern int _rl_walphabetic PARAMS((wchar_t));
+
+#define _rl_to_wupper(wc)	(iswlower (wc) ? towupper (wc) : (wc))
+#define _rl_to_wlower(wc)	(iswupper (wc) ? towlower (wc) : (wc))
+
+#define MB_NEXTCHAR(b,s,c,f) \
+	((MB_CUR_MAX > 1 && rl_byte_oriented == 0) \
+		? _rl_find_next_mbchar ((b), (s), (c), (f)) \
+		: ((s) + (c)))
+#define MB_PREVCHAR(b,s,f) \
+	((MB_CUR_MAX > 1 && rl_byte_oriented == 0) \
+		? _rl_find_prev_mbchar ((b), (s), (f)) \
+		: ((s) - 1))
+
 #define MB_INVALIDCH(x)		((x) == (size_t)-1 || (x) == (size_t)-2)
 #define MB_NULLWCH(x)		((x) == 0)
 
@@ -111,6 +135,16 @@ extern int _rl_is_mbchar_matched PARAMS((char *, int, int, char *, int));
 #define _rl_find_prev_mbchar(b, i, f)		(((i) == 0) ? (i) : ((i) - 1))
 #define _rl_find_next_mbchar(b, i1, i2, f)	((i1) + (i2))
 
+#define _rl_char_value(buf,ind)	((buf)[(ind)])
+
+#define _rl_walphabetic(c)	(rl_alphabetic (c))
+
+#define _rl_to_wupper(c)	(_rl_to_upper (c))
+#define _rl_to_wlower(c)	(_rl_to_lower (c))
+
+#define MB_NEXTCHAR(b,s,c,f)	((s) + (c))
+#define MB_PREVCHAR(b,s,f)	((s) - 1)
+
 #define MB_INVALIDCH(x)		(0)
 #define MB_NULLWCH(x)		(0)
 
diff --git a/cmd-line-utils/readline/rlprivate.h b/cmd-line-utils/readline/rlprivate.h
index c3cee917b76..64aa7bdd3fa 100644
--- a/cmd-line-utils/readline/rlprivate.h
+++ b/cmd-line-utils/readline/rlprivate.h
@@ -1,7 +1,7 @@
 /* rlprivate.h -- functions and variables global to the readline library,
 		  but not intended for use by applications. */
 
-/* Copyright (C) 1999-2004 Free Software Foundation, Inc.
+/* Copyright (C) 1999-2005 Free Software Foundation, Inc.
 
    This file is part of the GNU Readline Library, a library for
    reading lines of text with interactive input and history editing.
@@ -30,6 +30,95 @@
 
 /*************************************************************************
  *									 *
+ * Global structs undocumented in texinfo manual and not in readline.h   *
+ *									 *
+ *************************************************************************/
+/* search types */
+#define RL_SEARCH_ISEARCH	0x01		/* incremental search */
+#define RL_SEARCH_NSEARCH	0x02		/* non-incremental search */
+#define RL_SEARCH_CSEARCH	0x04		/* intra-line char search */
+
+/* search flags */
+#define SF_REVERSE		0x01
+#define SF_FOUND		0x02
+#define SF_FAILED		0x04
+
+typedef struct  __rl_search_context
+{
+  int type;
+  int sflags;
+
+  char *search_string;
+  int search_string_index;
+  int search_string_size;
+
+  char **lines;
+  char *allocated_line;    
+  int hlen;
+  int hindex;
+
+  int save_point;
+  int save_mark;
+  int save_line;
+  int last_found_line;
+  char *prev_line_found;
+
+  UNDO_LIST *save_undo_list;
+
+  int history_pos;
+  int direction;
+
+  int lastc;
+#if defined (HANDLE_MULTIBYTE)
+  char mb[MB_LEN_MAX];
+#endif
+
+  char *sline;
+  int sline_len;
+  int sline_index;
+
+  char  *search_terminators;
+} _rl_search_cxt;
+
+/* Callback data for reading numeric arguments */
+#define NUM_SAWMINUS	0x01
+#define NUM_SAWDIGITS	0x02
+#define NUM_READONE	0x04
+
+typedef int _rl_arg_cxt;
+
+/* A context for reading key sequences longer than a single character when
+   using the callback interface. */
+#define KSEQ_DISPATCHED	0x01
+#define KSEQ_SUBSEQ	0x02
+#define KSEQ_RECURSIVE	0x04
+
+typedef struct __rl_keyseq_context
+{
+  int flags;
+  int subseq_arg;
+  int subseq_retval;		/* XXX */
+  Keymap dmap;
+
+  Keymap oldmap;
+  int okey;
+  struct __rl_keyseq_context *ocxt;
+  int childval;
+} _rl_keyseq_cxt;
+
+  /* fill in more as needed */
+/* `Generic' callback data and functions */
+typedef struct __rl_callback_generic_arg 
+{
+  int count;
+  int i1, i2;
+  /* add here as needed */
+} _rl_callback_generic_arg;
+
+typedef int _rl_callback_func_t PARAMS((_rl_callback_generic_arg *));
+
+/*************************************************************************
+ *									 *
  * Global functions undocumented in texinfo manual and not in readline.h *
  *									 *
  *************************************************************************/
@@ -54,6 +143,8 @@ extern int readline_echoing_p;
 extern int rl_key_sequence_length;
 extern int rl_byte_oriented;
 
+extern _rl_keyseq_cxt *_rl_kscxt;
+
 /* display.c */
 extern int rl_display_fixed;
 
@@ -100,6 +191,16 @@ extern void readline_internal_setup PARAMS((void));
 extern char *readline_internal_teardown PARAMS((int));
 extern int readline_internal_char PARAMS((void));
 
+extern _rl_keyseq_cxt *_rl_keyseq_cxt_alloc PARAMS((void));
+extern void _rl_keyseq_cxt_dispose PARAMS((_rl_keyseq_cxt *));
+extern void _rl_keyseq_chain_dispose PARAMS((void));
+
+extern int _rl_dispatch_callback PARAMS((_rl_keyseq_cxt *));
+     
+/* callback.c */
+extern _rl_callback_generic_arg *_rl_callback_data_alloc PARAMS((int));
+extern void _rl_callback_data_dispose PARAMS((_rl_callback_generic_arg *));
+
 #endif /* READLINE_CALLBACKS */
 
 /* bind.c */
@@ -132,6 +233,15 @@ extern void _rl_insert_typein PARAMS((int));
 extern int _rl_unget_char PARAMS((int));
 extern int _rl_pushed_input_available PARAMS((void));
 
+/* isearch.c */
+extern _rl_search_cxt *_rl_scxt_alloc PARAMS((int, int));
+extern void _rl_scxt_dispose PARAMS((_rl_search_cxt *, int));
+
+extern int _rl_isearch_dispatch PARAMS((_rl_search_cxt *, int));
+extern int _rl_isearch_callback PARAMS((_rl_search_cxt *));
+
+extern int _rl_search_getchar PARAMS((_rl_search_cxt *));
+
 /* macro.c */
 extern void _rl_with_macro_input PARAMS((char *));
 extern int _rl_next_macro_key PARAMS((void));
@@ -141,7 +251,12 @@ extern void _rl_add_macro_char PARAMS((int));
 extern void _rl_kill_kbd_macro PARAMS((void));
 
 /* misc.c */
-extern int _rl_init_argument PARAMS((void));
+extern int _rl_arg_overflow PARAMS((void));
+extern void _rl_arg_init PARAMS((void));
+extern int _rl_arg_getchar PARAMS((void));
+extern int _rl_arg_callback PARAMS((_rl_arg_cxt));
+extern void _rl_reset_argument PARAMS((void));
+
 extern void _rl_start_using_history PARAMS((void));
 extern int _rl_free_saved_history_line PARAMS((void));
 extern void _rl_set_insert_mode PARAMS((int, int));
@@ -157,11 +272,15 @@ extern void _rl_init_line_state PARAMS((void));
 extern void _rl_set_the_line PARAMS((void));
 extern int _rl_dispatch PARAMS((int, Keymap));
 extern int _rl_dispatch_subseq PARAMS((int, Keymap, int));
+extern void _rl_internal_char_cleanup PARAMS((void));
 
 /* rltty.c */
 extern int _rl_disable_tty_signals PARAMS((void));
 extern int _rl_restore_tty_signals PARAMS((void));
 
+/* search.c */
+extern int _rl_nsearch_callback PARAMS((_rl_search_cxt *));
+
 /* terminal.c */
 extern void _rl_get_screen_size PARAMS((int, int));
 extern int _rl_init_terminal_io PARAMS((const char *));
@@ -190,6 +309,10 @@ extern int _rl_char_search_internal PARAMS((int, int, int));
 #endif
 extern int _rl_set_mark_at_pos PARAMS((int));
 
+/* undo.c */
+extern UNDO_LIST *_rl_copy_undo_entry PARAMS((UNDO_LIST *));
+extern UNDO_LIST *_rl_copy_undo_list PARAMS((UNDO_LIST *));
+
 /* util.c */
 extern int _rl_abort_internal PARAMS((void));
 extern char *_rl_strindex PARAMS((const char *, const char *));
@@ -217,6 +340,10 @@ extern void _rl_vi_done_inserting PARAMS((void));
 extern const char *_rl_possible_control_prefixes[];
 extern const char *_rl_possible_meta_prefixes[];
 
+/* callback.c */
+extern _rl_callback_func_t *_rl_callback_func;
+extern _rl_callback_generic_arg *_rl_callback_data;
+
 /* complete.c */
 extern int _rl_complete_show_all;
 extern int _rl_complete_show_unmodified;
@@ -231,11 +358,14 @@ extern int _rl_page_completions;
 extern int _rl_vis_botlin;
 extern int _rl_last_c_pos;
 extern int _rl_suppress_redisplay;
+extern int _rl_want_redisplay;
 extern char *rl_display_prompt;
 
 /* isearch.c */
 extern char *_rl_isearch_terminators;
 
+extern _rl_search_cxt *_rl_iscxt;
+
 /* macro.c */
 extern char *_rl_executing_macro;
 
@@ -243,6 +373,8 @@ extern char *_rl_executing_macro;
 extern int _rl_history_preserve_point;
 extern int _rl_history_saved_point;
 
+extern _rl_arg_cxt _rl_argcxt;
+
 /* readline.c */
 extern int _rl_horizontal_scroll_mode;
 extern int _rl_mark_modified_lines;
@@ -250,6 +382,7 @@ extern int _rl_bell_preference;
 extern int _rl_meta_flag;
 extern int _rl_convert_meta_chars_to_ascii;
 extern int _rl_output_meta_chars;
+extern int _rl_bind_stty_chars;
 extern char *_rl_comment_begin;
 extern unsigned char _rl_parsing_conditionalized_out;
 extern Keymap _rl_keymap;
@@ -259,6 +392,9 @@ extern int _rl_last_command_was_kill;
 extern int _rl_eof_char;
 extern procenv_t readline_top_level;
 
+/* search.c */
+extern _rl_search_cxt *_rl_nscxt;
+
 /* terminal.c */
 extern int _rl_enable_keypad;
 extern int _rl_enable_meta;
@@ -272,6 +408,7 @@ extern char *_rl_term_up;
 extern char *_rl_term_dc;
 extern char *_rl_term_cr;
 extern char *_rl_term_IC;
+extern char *_rl_term_forward_char;
 extern int _rl_screenheight;
 extern int _rl_screenwidth;
 extern int _rl_screenchars;
diff --git a/cmd-line-utils/readline/rltty.c b/cmd-line-utils/readline/rltty.c
index ffbae1e08af..0a570f85840 100644
--- a/cmd-line-utils/readline/rltty.c
+++ b/cmd-line-utils/readline/rltty.c
@@ -1,7 +1,7 @@
 /* rltty.c -- functions to prepare and restore the terminal for readline's
    use. */
 
-/* Copyright (C) 1992 Free Software Foundation, Inc.
+/* Copyright (C) 1992-2005 Free Software Foundation, Inc.
 
    This file is part of the GNU Readline Library, a library for
    reading lines of text with interactive input and history editing.
@@ -22,7 +22,9 @@
    59 Temple Place, Suite 330, Boston, MA 02111 USA. */
 #define READLINE_LIBRARY
 
-#include "config_readline.h"
+#if defined (HAVE_CONFIG_H)
+#  include <config.h>
+#endif
 
 #include <sys/types.h>
 #include <signal.h>
@@ -150,7 +152,9 @@ set_winsize (tty)
 #endif /* TIOCGWINSZ */
 }
 
-#if defined (NEW_TTY_DRIVER)
+#if defined (NO_TTY_DRIVER)
+/* Nothing */
+#elif defined (NEW_TTY_DRIVER)
 
 /* Values for the `flags' field of a struct bsdtty.  This tells which
    elements of the struct bsdtty have been fetched from the system and
@@ -231,6 +235,7 @@ get_tty_settings (tty, tiop)
 
   tiop->flags = tiop->lflag = 0;
 
+  errno = 0;
   if (ioctl (tty, TIOCGETP, &(tiop->sgttyb)) < 0)
     return -1;
   tiop->flags |= SGTTY_SET;
@@ -516,6 +521,7 @@ get_tty_settings (tty, tiop)
 {
   set_winsize (tty);
 
+  errno = 0;
   if (_get_tty_settings (tty, tiop) < 0)
     return -1;
 
@@ -629,9 +635,23 @@ prepare_terminal_settings (meta_flag, oldtio, tiop)
 
 #endif /* TERMIOS_TTY_DRIVER && _POSIX_VDISABLE */
 }
-#endif  /* NEW_TTY_DRIVER */
+#endif  /* !NEW_TTY_DRIVER */
 
 /* Put the terminal in CBREAK mode so that we can detect key presses. */
+#if defined (NO_TTY_DRIVER)
+void
+rl_prep_terminal (meta_flag)
+     int meta_flag;
+{
+  readline_echoing_p = 1;
+}
+
+void
+rl_deprep_terminal ()
+{
+}
+
+#else /* ! NO_TTY_DRIVER */
 void
 rl_prep_terminal (meta_flag)
      int meta_flag;
@@ -649,16 +669,43 @@ rl_prep_terminal (meta_flag)
 
   if (get_tty_settings (tty, &tio) < 0)
     {
+#if defined (ENOTSUP)
+      /* MacOS X, at least, lies about the value of errno if tcgetattr fails. */
+      if (errno == ENOTTY || errno == ENOTSUP)
+#else
+      if (errno == ENOTTY)
+#endif
+	readline_echoing_p = 1;		/* XXX */
       release_sigint ();
       return;
     }
 
   otio = tio;
 
-  rl_tty_unset_default_bindings (_rl_keymap);
+  if (_rl_bind_stty_chars)
+    {
+#if defined (VI_MODE)
+      /* If editing in vi mode, make sure we restore the bindings in the
+	 insertion keymap no matter what keymap we ended up in. */
+      if (rl_editing_mode == vi_mode)
+	rl_tty_unset_default_bindings (vi_insertion_keymap);
+      else
+#endif
+	rl_tty_unset_default_bindings (_rl_keymap);
+    }
   save_tty_chars (&otio);
   RL_SETSTATE(RL_STATE_TTYCSAVED);
-  _rl_bind_tty_special_chars (_rl_keymap, tio);
+  if (_rl_bind_stty_chars)
+    {
+#if defined (VI_MODE)
+      /* If editing in vi mode, make sure we set the bindings in the
+	 insertion keymap no matter what keymap we ended up in. */
+      if (rl_editing_mode == vi_mode)
+	_rl_bind_tty_special_chars (vi_insertion_keymap, tio);	
+      else
+#endif
+	_rl_bind_tty_special_chars (_rl_keymap, tio);
+    }
 
   prepare_terminal_settings (meta_flag, otio, &tio);
 
@@ -708,6 +755,7 @@ rl_deprep_terminal ()
 
   release_sigint ();
 }
+#endif /* !NO_TTY_DRIVER */
 
 /* **************************************************************** */
 /*								    */
@@ -716,8 +764,13 @@ rl_deprep_terminal ()
 /* **************************************************************** */
 
 int
-rl_restart_output(int count __attribute__((unused)), int key __attribute__((unused)))
+rl_restart_output (count, key)
+     int count, key;
 {
+#if defined (__MINGW32__)
+  return 0;
+#else /* !__MING32__ */
+
   int fildes = fileno (rl_outstream);
 #if defined (TIOCSTART)
 #if defined (apollo)
@@ -745,11 +798,17 @@ rl_restart_output(int count __attribute__((unused)), int key __attribute__((unus
 #endif /* !TIOCSTART */
 
   return 0;
+#endif /* !__MINGW32__ */
 }
 
 int
-rl_stop_output(int count __attribute__((unused)), int key __attribute__((unused)))
+rl_stop_output (count, key)
+     int count, key;
 {
+#if defined (__MINGW32__)
+  return 0;
+#else
+
   int fildes = fileno (rl_instream);
 
 #if defined (TIOCSTOP)
@@ -772,6 +831,7 @@ rl_stop_output(int count __attribute__((unused)), int key __attribute__((unused)
 #endif /* !TIOCSTOP */
 
   return 0;
+#endif /* !__MINGW32__ */
 }
 
 /* **************************************************************** */
@@ -780,9 +840,16 @@ rl_stop_output(int count __attribute__((unused)), int key __attribute__((unused)
 /*								    */
 /* **************************************************************** */
 
+#if !defined (NO_TTY_DRIVER)
 #define SET_SPECIAL(sc, func)	set_special_char(kmap, &ttybuff, sc, func)
+#endif
 
-#if defined (NEW_TTY_DRIVER)
+#if defined (NO_TTY_DRIVER)
+
+#define SET_SPECIAL(sc, func)
+#define RESET_SPECIAL(c)
+
+#elif defined (NEW_TTY_DRIVER)
 static void
 set_special_char (kmap, tiop, sc, func)
      Keymap kmap;
@@ -863,6 +930,7 @@ void
 rltty_set_default_bindings (kmap)
      Keymap kmap;
 {
+#if !defined (NO_TTY_DRIVER)
   TIOTYPE ttybuff;
   int tty;
 
@@ -870,6 +938,7 @@ rltty_set_default_bindings (kmap)
 
   if (get_tty_settings (tty, &ttybuff) == 0)
     _rl_bind_tty_special_chars (kmap, ttybuff);
+#endif
 }
 
 /* New public way to set the system default editing chars to their readline
@@ -907,7 +976,7 @@ rl_tty_unset_default_bindings (kmap)
 
 #if defined (HANDLE_SIGNALS)
 
-#if defined (NEW_TTY_DRIVER)
+#if defined (NEW_TTY_DRIVER) || defined (NO_TTY_DRIVER)
 int
 _rl_disable_tty_signals ()
 {
diff --git a/cmd-line-utils/readline/savestring.c b/cmd-line-utils/readline/savestring.c
index ae605374d13..820428d8881 100644
--- a/cmd-line-utils/readline/savestring.c
+++ b/cmd-line-utils/readline/savestring.c
@@ -21,8 +21,7 @@
    59 Temple Place, Suite 330, Boston, MA 02111 USA. */
 #define READLINE_LIBRARY
 
-#include "config_readline.h"
-
+#include <config.h>
 #ifdef HAVE_STRING_H
 #  include <string.h>
 #endif
diff --git a/cmd-line-utils/readline/search.c b/cmd-line-utils/readline/search.c
index 6479427be2f..33cc4fc1e73 100644
--- a/cmd-line-utils/readline/search.c
+++ b/cmd-line-utils/readline/search.c
@@ -1,6 +1,6 @@
 /* search.c - code for non-incremental searching in emacs and vi modes. */
 
-/* Copyright (C) 1992 Free Software Foundation, Inc.
+/* Copyright (C) 1992-2005 Free Software Foundation, Inc.
 
    This file is part of the Readline Library (the Library), a set of
    routines for providing Emacs style line input to programs that ask
@@ -22,7 +22,9 @@
    59 Temple Place, Suite 330, Boston, MA 02111 USA. */
 #define READLINE_LIBRARY
 
-#include "config_readline.h"
+#if defined (HAVE_CONFIG_H)
+#  include <config.h>
+#endif
 
 #include <sys/types.h>
 #include <stdio.h>
@@ -51,6 +53,8 @@
 #endif
 #define abs(x)		(((x) >= 0) ? (x) : -(x))
 
+_rl_search_cxt *_rl_nscxt = 0;
+
 extern HIST_ENTRY *_rl_saved_line_for_history;
 
 /* Functions imported from the rest of the library. */
@@ -68,11 +72,16 @@ static int history_string_size;
 
 static void make_history_line_current PARAMS((HIST_ENTRY *));
 static int noninc_search_from_pos PARAMS((char *, int, int));
-static void noninc_dosearch PARAMS((char *, int));
-static void noninc_search PARAMS((int, int));
+static int noninc_dosearch PARAMS((char *, int));
+static int noninc_search PARAMS((int, int));
 static int rl_history_search_internal PARAMS((int, int));
 static void rl_history_search_reinit PARAMS((void));
 
+static _rl_search_cxt *_rl_nsearch_init PARAMS((int, int));
+static int _rl_nsearch_cleanup PARAMS((_rl_search_cxt *, int));
+static void _rl_nsearch_abort PARAMS((_rl_search_cxt *));
+static int _rl_nsearch_dispatch PARAMS((_rl_search_cxt *, int));
+
 /* Make the data from the history entry ENTRY be the contents of the
    current line.  This doesn't do anything with rl_point; the caller
    must set it. */
@@ -80,12 +89,15 @@ static void
 make_history_line_current (entry)
      HIST_ENTRY *entry;
 {
-#if 0
-  rl_replace_line (entry->line, 1);
-  rl_undo_list = (UNDO_LIST *)entry->data;
-#else
   _rl_replace_text (entry->line, 0, rl_end);
   _rl_fix_point (1);
+#if defined (VI_MODE)
+  if (rl_editing_mode == vi_mode)
+    /* POSIX.2 says that the `U' command doesn't affect the copy of any
+       command lines to the edit line.  We're going to implement that by
+       making the undo list start after the matching line is copied to the
+       current editing buffer. */
+    rl_free_undo_list ();
 #endif
 
   if (_rl_saved_line_for_history)
@@ -128,8 +140,8 @@ noninc_search_from_pos (string, pos, dir)
 
 /* Search for a line in the history containing STRING.  If DIR is < 0, the
    search is backwards through previous entries, else through subsequent
-   entries. */
-static void
+   entries.  Returns 1 if the search was successful, 0 otherwise. */
+static int
 noninc_dosearch (string, dir)
      char *string;
      int dir;
@@ -140,7 +152,7 @@ noninc_dosearch (string, dir)
   if (string == 0 || *string == '\0' || noninc_history_pos < 0)
     {
       rl_ding ();
-      return;
+      return 0;
     }
 
   pos = noninc_search_from_pos (string, noninc_history_pos + dir, dir);
@@ -151,7 +163,7 @@ noninc_dosearch (string, dir)
       rl_clear_message ();
       rl_point = 0;
       rl_ding ();
-      return;
+      return 0;
     }
 
   noninc_history_pos = pos;
@@ -162,7 +174,7 @@ noninc_dosearch (string, dir)
 #if defined (VI_MODE)
   if (rl_editing_mode != vi_mode)
 #endif
-  history_set_pos (oldpos);
+    history_set_pos (oldpos);
 
   make_history_line_current (entry);
 
@@ -170,27 +182,24 @@ noninc_dosearch (string, dir)
   rl_mark = rl_end;
 
   rl_clear_message ();
+  return 1;
 }
 
-/* Search non-interactively through the history list.  DIR < 0 means to
-   search backwards through the history of previous commands; otherwise
-   the search is for commands subsequent to the current position in the
-   history list.  PCHAR is the character to use for prompting when reading
-   the search string; if not specified (0), it defaults to `:'. */
-static void
-noninc_search (dir, pchar)
-     int dir;
-     int pchar;
+static _rl_search_cxt *
+_rl_nsearch_init (dir, pchar)
+     int dir, pchar;
 {
-  int saved_point, saved_mark, c;
+  _rl_search_cxt *cxt;
   char *p;
-#if defined (HANDLE_MULTIBYTE)
-  char mb[MB_LEN_MAX];
-#endif
+
+  cxt = _rl_scxt_alloc (RL_SEARCH_NSEARCH, 0);
+  if (dir < 0)
+    cxt->sflags |= SF_REVERSE;		/* not strictly needed */
+
+  cxt->direction = dir;
+  cxt->history_pos = cxt->save_line;
 
   rl_maybe_save_line ();
-  saved_point = rl_point;
-  saved_mark = rl_mark;
 
   /* Clear the undo list, since reading the search string should create its
      own undo list, and the whole list will end up being freed when we
@@ -202,152 +211,243 @@ noninc_search (dir, pchar)
   rl_end = rl_point = 0;
 
   p = _rl_make_prompt_for_search (pchar ? pchar : ':');
-  rl_message (p, 0, 0);
+  rl_message ("%s", p, 0);
   free (p);
 
-#define SEARCH_RETURN rl_restore_prompt (); RL_UNSETSTATE(RL_STATE_NSEARCH); return
-
   RL_SETSTATE(RL_STATE_NSEARCH);
-  /* Read the search string. */
-  while (1)
+
+  _rl_nscxt = cxt;
+
+  return cxt;
+}
+
+static int
+_rl_nsearch_cleanup (cxt, r)
+     _rl_search_cxt *cxt;
+     int r;
+{
+  _rl_scxt_dispose (cxt, 0);
+  _rl_nscxt = 0;
+
+  RL_UNSETSTATE(RL_STATE_NSEARCH);
+
+  return (r != 1);
+}
+
+static void
+_rl_nsearch_abort (cxt)
+     _rl_search_cxt *cxt;
+{
+  rl_maybe_unsave_line ();
+  rl_clear_message ();
+  rl_point = cxt->save_point;
+  rl_mark = cxt->save_mark;
+  rl_restore_prompt ();
+
+  RL_UNSETSTATE (RL_STATE_NSEARCH);
+}
+
+/* Process just-read character C according to search context CXT.  Return -1
+   if the caller should abort the search, 0 if we should break out of the
+   loop, and 1 if we should continue to read characters. */
+static int
+_rl_nsearch_dispatch (cxt, c)
+     _rl_search_cxt *cxt;
+     int c;
+{
+  switch (c)
     {
-      RL_SETSTATE(RL_STATE_MOREINPUT);
-      c = rl_read_key ();
-      RL_UNSETSTATE(RL_STATE_MOREINPUT);
+    case CTRL('W'):
+      rl_unix_word_rubout (1, c);
+      break;
 
-#if defined (HANDLE_MULTIBYTE)
-      if (MB_CUR_MAX > 1 && rl_byte_oriented == 0)
-	c = _rl_read_mbstring (c, mb, MB_LEN_MAX);
-#endif
+    case CTRL('U'):
+      rl_unix_line_discard (1, c);
+      break;
 
-      if (c == 0)
-	break;
+    case RETURN:
+    case NEWLINE:
+      return 0;
 
-      switch (c)
+    case CTRL('H'):
+    case RUBOUT:
+      if (rl_point == 0)
 	{
-	case CTRL('H'):
-	case RUBOUT:
-	  if (rl_point == 0)
-	    {
-	      rl_maybe_unsave_line ();
-	      rl_clear_message ();
-	      rl_point = saved_point;
-	      rl_mark = saved_mark;
-	      SEARCH_RETURN;
-	    }
-	  _rl_rubout_char (1, c);
-	  break;
-
-	case CTRL('W'):
-	  rl_unix_word_rubout (1, c);
-	  break;
-
-	case CTRL('U'):
-	  rl_unix_line_discard (1, c);
-	  break;
-
-	case RETURN:
-	case NEWLINE:
-	  goto dosearch;
-	  /* NOTREACHED */
-	  break;
-
-	case CTRL('C'):
-	case CTRL('G'):
-	  rl_maybe_unsave_line ();
-	  rl_clear_message ();
-	  rl_point = saved_point;
-	  rl_mark = saved_mark;
-	  rl_ding ();
-	  SEARCH_RETURN;
+	  _rl_nsearch_abort (cxt);
+	  return -1;
+	}
+      _rl_rubout_char (1, c);
+      break;
+
+    case CTRL('C'):
+    case CTRL('G'):
+      rl_ding ();
+      _rl_nsearch_abort (cxt);
+      return -1;
 
-	default:
+    default:
 #if defined (HANDLE_MULTIBYTE)
-	  if (MB_CUR_MAX > 1 && rl_byte_oriented == 0)
-	    rl_insert_text (mb);
-	  else
+      if (MB_CUR_MAX > 1 && rl_byte_oriented == 0)
+	rl_insert_text (cxt->mb);
+      else
 #endif
-	    _rl_insert_char (1, c);
-	  break;
-	}
-      (*rl_redisplay_function) ();
+	_rl_insert_char (1, c);
+      break;
     }
 
- dosearch:
-  rl_mark = saved_mark;
+  (*rl_redisplay_function) ();
+  return 1;
+}
+
+/* Perform one search according to CXT, using NONINC_SEARCH_STRING.  Return
+   -1 if the search should be aborted, any other value means to clean up
+   using _rl_nsearch_cleanup ().  Returns 1 if the search was successful,
+   0 otherwise. */
+static int
+_rl_nsearch_dosearch (cxt)
+     _rl_search_cxt *cxt;
+{
+  rl_mark = cxt->save_mark;
 
   /* If rl_point == 0, we want to re-use the previous search string and
      start from the saved history position.  If there's no previous search
      string, punt. */
   if (rl_point == 0)
     {
-      if (!noninc_search_string)
+      if (noninc_search_string == 0)
 	{
 	  rl_ding ();
-	  SEARCH_RETURN;
+	  rl_restore_prompt ();
+	  RL_UNSETSTATE (RL_STATE_NSEARCH);
+	  return -1;
 	}
     }
   else
     {
       /* We want to start the search from the current history position. */
-      noninc_history_pos = where_history ();
+      noninc_history_pos = cxt->save_line;
       FREE (noninc_search_string);
       noninc_search_string = savestring (rl_line_buffer);
+
+      /* If we don't want the subsequent undo list generated by the search
+	 matching a history line to include the contents of the search string,
+	 we need to clear rl_line_buffer here.  For now, we just clear the
+	 undo list generated by reading the search string.  (If the search
+	 fails, the old undo list will be restored by rl_maybe_unsave_line.) */
+      rl_free_undo_list ();
     }
 
   rl_restore_prompt ();
-  noninc_dosearch (noninc_search_string, dir);
-  RL_UNSETSTATE(RL_STATE_NSEARCH);
+  return (noninc_dosearch (noninc_search_string, cxt->direction));
+}
+
+/* Search non-interactively through the history list.  DIR < 0 means to
+   search backwards through the history of previous commands; otherwise
+   the search is for commands subsequent to the current position in the
+   history list.  PCHAR is the character to use for prompting when reading
+   the search string; if not specified (0), it defaults to `:'. */
+static int
+noninc_search (dir, pchar)
+     int dir;
+     int pchar;
+{
+  _rl_search_cxt *cxt;
+  int c, r;
+
+  cxt = _rl_nsearch_init (dir, pchar);
+
+  if (RL_ISSTATE (RL_STATE_CALLBACK))
+    return (0);
+
+  /* Read the search string. */
+  r = 0;
+  while (1)
+    {
+      c = _rl_search_getchar (cxt);
+
+      if (c == 0)
+	break;
+
+      r = _rl_nsearch_dispatch (cxt, c);
+      if (r < 0)
+        return 1;
+      else if (r == 0)
+	break;        
+    }
+
+  r = _rl_nsearch_dosearch (cxt);
+  return ((r >= 0) ? _rl_nsearch_cleanup (cxt, r) : (r != 1));
 }
 
 /* Search forward through the history list for a string.  If the vi-mode
    code calls this, KEY will be `?'. */
 int
-rl_noninc_forward_search (int count __attribute__((unused)), int key)
+rl_noninc_forward_search (count, key)
+     int count, key;
 {
-  noninc_search (1, (key == '?') ? '?' : 0);
-  return 0;
+  return noninc_search (1, (key == '?') ? '?' : 0);
 }
 
 /* Reverse search the history list for a string.  If the vi-mode code
    calls this, KEY will be `/'. */
 int
-rl_noninc_reverse_search (int count __attribute__((unused)), int key)
+rl_noninc_reverse_search (count, key)
+     int count, key;
 {
-  noninc_search (-1, (key == '/') ? '/' : 0);
-  return 0;
+  return noninc_search (-1, (key == '/') ? '/' : 0);
 }
 
 /* Search forward through the history list for the last string searched
    for.  If there is no saved search string, abort. */
 int
-rl_noninc_forward_search_again (int count __attribute__((unused)),
-                                int key  __attribute__((unused)))
+rl_noninc_forward_search_again (count, key)
+     int count, key;
 {
+  int r;
+
   if (!noninc_search_string)
     {
       rl_ding ();
       return (-1);
     }
-  noninc_dosearch (noninc_search_string, 1);
-  return 0;
+  r = noninc_dosearch (noninc_search_string, 1);
+  return (r != 1);
 }
 
 /* Reverse search in the history list for the last string searched
    for.  If there is no saved search string, abort. */
 int
-rl_noninc_reverse_search_again (int count __attribute__((unused)),
-                                int key  __attribute__((unused)))
+rl_noninc_reverse_search_again (count, key)
+     int count, key;
 {
+  int r;
+
   if (!noninc_search_string)
     {
       rl_ding ();
       return (-1);
     }
-  noninc_dosearch (noninc_search_string, -1);
-  return 0;
+  r = noninc_dosearch (noninc_search_string, -1);
+  return (r != 1);
 }
 
+#if defined (READLINE_CALLBACKS)
+int
+_rl_nsearch_callback (cxt)
+     _rl_search_cxt *cxt;
+{
+  int c, r;
+
+  c = _rl_search_getchar (cxt);
+  r = _rl_nsearch_dispatch (cxt, c);
+  if (r != 0)
+    return 1;
+
+  r = _rl_nsearch_dosearch (cxt);
+  return ((r >= 0) ? _rl_nsearch_cleanup (cxt, r) : (r != 1));
+}
+#endif
+  
 static int
 rl_history_search_internal (count, dir)
      int count, dir;
diff --git a/cmd-line-utils/readline/shell.c b/cmd-line-utils/readline/shell.c
index 41668d70ab5..346f8113d43 100644
--- a/cmd-line-utils/readline/shell.c
+++ b/cmd-line-utils/readline/shell.c
@@ -22,7 +22,9 @@
    59 Temple Place, Suite 330, Boston, MA 02111 USA. */
 #define READLINE_LIBRARY
 
-#include "config_readline.h"
+#if defined (HAVE_CONFIG_H)
+#  include <config.h>
+#endif
 
 #include <sys/types.h>
 
@@ -46,8 +48,12 @@
 #  include <limits.h>
 #endif
 
+#if defined (HAVE_FCNTL_H)
 #include <fcntl.h>
+#endif
+#if defined (HAVE_PWD_H)
 #include <pwd.h>
+#endif
 
 #include <stdio.h>
 
@@ -55,9 +61,9 @@
 #include "rlshell.h"
 #include "xmalloc.h"
 
-#if !defined (HAVE_GETPW_DECLS)
+#if defined (HAVE_GETPWUID) && !defined (HAVE_GETPW_DECLS)
 extern struct passwd *getpwuid PARAMS((uid_t));
-#endif /* !HAVE_GETPW_DECLS */
+#endif /* HAVE_GETPWUID && !HAVE_GETPW_DECLS */
 
 #ifndef NULL
 #  define NULL 0
@@ -120,16 +126,7 @@ sh_set_lines_and_columns (lines, cols)
 {
   char *b;
 
-#if defined (HAVE_PUTENV)
-  b = (char *)xmalloc (INT_STRLEN_BOUND (int) + sizeof ("LINES=") + 1);
-  sprintf (b, "LINES=%d", lines);
-  putenv (b);
-
-  b = (char *)xmalloc (INT_STRLEN_BOUND (int) + sizeof ("COLUMNS=") + 1);
-  sprintf (b, "COLUMNS=%d", cols);
-  putenv (b);
-#else /* !HAVE_PUTENV */
-#  if defined (HAVE_SETENV)
+#if defined (HAVE_SETENV)
   b = (char *)xmalloc (INT_STRLEN_BOUND (int) + 1);
   sprintf (b, "%d", lines);
   setenv ("LINES", b, 1);
@@ -139,8 +136,17 @@ sh_set_lines_and_columns (lines, cols)
   sprintf (b, "%d", cols);
   setenv ("COLUMNS", b, 1);
   free (b);
-#  endif /* HAVE_SETENV */
-#endif /* !HAVE_PUTENV */
+#else /* !HAVE_SETENV */
+#  if defined (HAVE_PUTENV)
+  b = (char *)xmalloc (INT_STRLEN_BOUND (int) + sizeof ("LINES=") + 1);
+  sprintf (b, "LINES=%d", lines);
+  putenv (b);
+
+  b = (char *)xmalloc (INT_STRLEN_BOUND (int) + sizeof ("COLUMNS=") + 1);
+  sprintf (b, "COLUMNS=%d", cols);
+  putenv (b);
+#  endif /* HAVE_PUTENV */
+#endif /* !HAVE_SETENV */
 }
 
 char *
@@ -157,9 +163,11 @@ sh_get_home_dir ()
   struct passwd *entry;
 
   home_dir = (char *)NULL;
+#if defined (HAVE_GETPWUID)
   entry = getpwuid (getuid ());
   if (entry)
     home_dir = entry->pw_dir;
+#endif
   return (home_dir);
 }
 
@@ -173,6 +181,7 @@ int
 sh_unset_nodelay_mode (fd)
      int fd;
 {
+#if defined (HAVE_FCNTL)
   int flags, bflags;
 
   if ((flags = fcntl (fd, F_GETFL, 0)) < 0)
@@ -193,6 +202,7 @@ sh_unset_nodelay_mode (fd)
       flags &= ~bflags;
       return (fcntl (fd, F_SETFL, flags));
     }
+#endif
 
   return 0;
 }
diff --git a/cmd-line-utils/readline/signals.c b/cmd-line-utils/readline/signals.c
index be1150f6c54..54f2a642846 100644
--- a/cmd-line-utils/readline/signals.c
+++ b/cmd-line-utils/readline/signals.c
@@ -1,6 +1,6 @@
 /* signals.c -- signal handling support for readline. */
 
-/* Copyright (C) 1987, 1989, 1992 Free Software Foundation, Inc.
+/* Copyright (C) 1987-2005 Free Software Foundation, Inc.
 
    This file is part of the GNU Readline Library, a library for
    reading lines of text with interactive input and history editing.
@@ -21,7 +21,9 @@
    59 Temple Place, Suite 330, Boston, MA 02111 USA. */
 #define READLINE_LIBRARY
 
-#include "config_readline.h"
+#if defined (HAVE_CONFIG_H)
+#  include <config.h>
+#endif
 
 #include <stdio.h>		/* Just for NULL.  Yuck. */
 #include <sys/types.h>
@@ -129,7 +131,11 @@ rl_signal_handler (sig)
 #if !defined (HAVE_BSD_SIGNALS) && !defined (HAVE_POSIX_SIGNALS)
   /* Since the signal will not be blocked while we are in the signal
      handler, ignore it until rl_clear_signals resets the catcher. */
+#  if defined (SIGALRM)
   if (sig == SIGINT || sig == SIGALRM)
+#  else
+  if (sig == SIGINT)
+#  endif
     rl_set_sighandler (sig, SIG_IGN, &dummy_cxt);
 #endif /* !HAVE_BSD_SIGNALS && !HAVE_POSIX_SIGNALS */
 
@@ -139,17 +145,22 @@ rl_signal_handler (sig)
       rl_free_line_state ();
       /* FALLTHROUGH */
 
+    case SIGTERM:
 #if defined (SIGTSTP)
     case SIGTSTP:
     case SIGTTOU:
     case SIGTTIN:
 #endif /* SIGTSTP */
+#if defined (SIGALRM)
     case SIGALRM:
-    case SIGTERM:
+#endif
+#if defined (SIGQUIT)
     case SIGQUIT:
+#endif
       rl_cleanup_after_signal ();
 
 #if defined (HAVE_POSIX_SIGNALS)
+      sigemptyset (&set);
       sigprocmask (SIG_BLOCK, (sigset_t *)NULL, &set);
       sigdelset (&set, sig);
 #else /* !HAVE_POSIX_SIGNALS */
@@ -162,7 +173,11 @@ rl_signal_handler (sig)
       signal (sig, SIG_ACK);
 #endif
 
+#if defined (HAVE_KILL)
       kill (getpid (), sig);
+#else
+      raise (sig);		/* assume we have raise */
+#endif
 
       /* Let the signal that we just sent through.  */
 #if defined (HAVE_POSIX_SIGNALS)
@@ -274,13 +289,51 @@ rl_set_signals ()
 {
   sighandler_cxt dummy;
   SigHandler *oh;
+#if defined (HAVE_POSIX_SIGNALS)
+  static int sigmask_set = 0;
+  static sigset_t bset, oset;
+#endif
+
+#if defined (HAVE_POSIX_SIGNALS)
+  if (rl_catch_signals && sigmask_set == 0)
+    {
+      sigemptyset (&bset);
+
+      sigaddset (&bset, SIGINT);
+      sigaddset (&bset, SIGINT);
+#if defined (SIGQUIT)
+      sigaddset (&bset, SIGQUIT);
+#endif
+#if defined (SIGALRM)
+      sigaddset (&bset, SIGALRM);
+#endif
+#if defined (SIGTSTP)
+      sigaddset (&bset, SIGTSTP);
+#endif
+#if defined (SIGTTIN)
+      sigaddset (&bset, SIGTTIN);
+#endif
+#if defined (SIGTTOU)
+      sigaddset (&bset, SIGTTOU);
+#endif
+      sigmask_set = 1;
+    }      
+#endif /* HAVE_POSIX_SIGNALS */
 
   if (rl_catch_signals && signals_set_flag == 0)
     {
+#if defined (HAVE_POSIX_SIGNALS)
+      sigemptyset (&oset);
+      sigprocmask (SIG_BLOCK, &bset, &oset);
+#endif
+
       rl_maybe_set_sighandler (SIGINT, rl_signal_handler, &old_int);
       rl_maybe_set_sighandler (SIGTERM, rl_signal_handler, &old_term);
+#if defined (SIGQUIT)
       rl_maybe_set_sighandler (SIGQUIT, rl_signal_handler, &old_quit);
+#endif
 
+#if defined (SIGALRM)
       oh = rl_set_sighandler (SIGALRM, rl_signal_handler, &old_alrm);
       if (oh == (SigHandler *)SIG_IGN)
 	rl_sigaction (SIGALRM, &old_alrm, &dummy);
@@ -292,6 +345,7 @@ rl_set_signals ()
       if (oh != (SigHandler *)SIG_DFL && (old_alrm.sa_flags & SA_RESTART))
 	rl_sigaction (SIGALRM, &old_alrm, &dummy);
 #endif /* HAVE_POSIX_SIGNALS */
+#endif /* SIGALRM */
 
 #if defined (SIGTSTP)
       rl_maybe_set_sighandler (SIGTSTP, rl_signal_handler, &old_tstp);
@@ -306,6 +360,10 @@ rl_set_signals ()
 #endif /* SIGTTIN */
 
       signals_set_flag = 1;
+
+#if defined (HAVE_POSIX_SIGNALS)
+      sigprocmask (SIG_SETMASK, &oset, (sigset_t *)NULL);
+#endif
     }
 
 #if defined (SIGWINCH)
@@ -330,8 +388,12 @@ rl_clear_signals ()
 
       rl_sigaction (SIGINT, &old_int, &dummy);
       rl_sigaction (SIGTERM, &old_term, &dummy);
+#if defined (SIGQUIT)
       rl_sigaction (SIGQUIT, &old_quit, &dummy);
+#endif
+#if defined (SIGALRM)
       rl_sigaction (SIGALRM, &old_alrm, &dummy);
+#endif
 
 #if defined (SIGTSTP)
       rl_sigaction (SIGTSTP, &old_tstp, &dummy);
@@ -366,16 +428,18 @@ void
 rl_cleanup_after_signal ()
 {
   _rl_clean_up_for_exit ();
-  (*rl_deprep_term_function) ();
-  rl_clear_signals ();
+  if (rl_deprep_term_function)
+    (*rl_deprep_term_function) ();
   rl_clear_pending_input ();
+  rl_clear_signals ();
 }
 
 /* Reset the terminal and readline state after a signal handler returns. */
 void
 rl_reset_after_signal ()
 {
-  (*rl_prep_term_function) (_rl_meta_flag);
+  if (rl_prep_term_function)
+    (*rl_prep_term_function) (_rl_meta_flag);
   rl_set_signals ();
 }
 
@@ -396,7 +460,7 @@ rl_free_line_state ()
 
   _rl_kill_kbd_macro ();
   rl_clear_message ();
-  _rl_init_argument ();
+  _rl_reset_argument ();
 }
 
 #endif  /* HANDLE_SIGNALS */
diff --git a/cmd-line-utils/readline/terminal.c b/cmd-line-utils/readline/terminal.c
index 4b900c5d860..547f6f5dfe5 100644
--- a/cmd-line-utils/readline/terminal.c
+++ b/cmd-line-utils/readline/terminal.c
@@ -1,6 +1,6 @@
 /* terminal.c -- controlling the terminal with termcap. */
 
-/* Copyright (C) 1996 Free Software Foundation, Inc.
+/* Copyright (C) 1996-2006 Free Software Foundation, Inc.
 
    This file is part of the GNU Readline Library, a library for
    reading lines of text with interactive input and history editing.
@@ -21,7 +21,9 @@
    59 Temple Place, Suite 330, Boston, MA 02111 USA. */
 #define READLINE_LIBRARY
 
-#include "config_readline.h"
+#if defined (HAVE_CONFIG_H)
+#  include <config.h>
+#endif
 
 #include <sys/types.h>
 #include "posixstat.h"
@@ -64,9 +66,25 @@
 #include "rlshell.h"
 #include "xmalloc.h"
 
+#if defined (__MINGW32__)
+#  include <windows.h>
+#  include <wincon.h>
+
+static void _win_get_screensize PARAMS((int *, int *));
+#endif
+
+#if defined (__EMX__)
+static void _emx_get_screensize PARAMS((int *, int *));
+#endif
+
 #define CUSTOM_REDISPLAY_FUNC() (rl_redisplay_function != rl_redisplay)
 #define CUSTOM_INPUT_FUNC() (rl_getc_function != rl_getc)
 
+/*  If the calling application sets this to a non-zero value, readline will
+    use the $LINES and $COLUMNS environment variables to set its idea of the
+    window size before interrogating the kernel. */
+int rl_prefer_env_winsize = 0;
+
 /* **************************************************************** */
 /*								    */
 /*			Terminal and Termcap			    */
@@ -107,9 +125,7 @@ char *_rl_term_IC;
 char *_rl_term_dc;
 char *_rl_term_DC;
 
-#if defined (HACK_TERMCAP_MOTION)
 char *_rl_term_forward_char;
-#endif  /* HACK_TERMCAP_MOTION */
 
 /* How to go up a line. */
 char *_rl_term_up;
@@ -118,7 +134,7 @@ char *_rl_term_up;
 static char *_rl_visible_bell;
 
 /* Non-zero means the terminal can auto-wrap lines. */
-int _rl_term_autowrap;
+int _rl_term_autowrap = -1;
 
 /* Non-zero means that this terminal has a meta key. */
 static int term_has_meta;
@@ -143,6 +159,9 @@ static char *_rl_term_kh;
 static char *_rl_term_kH;
 static char *_rl_term_at7;	/* @7 */
 
+/* Delete key */
+static char *_rl_term_kD;
+
 /* Insert key */
 static char *_rl_term_kI;
 
@@ -177,6 +196,26 @@ _emx_get_screensize (swp, shp)
 }
 #endif
 
+#if defined (__MINGW32__)
+static void
+_win_get_screensize (swp, shp)
+     int *swp, *shp;
+{
+  HANDLE hConOut;
+  CONSOLE_SCREEN_BUFFER_INFO scr;
+
+  hConOut = GetStdHandle (STD_OUTPUT_HANDLE);
+  if (hConOut != INVALID_HANDLE_VALUE)
+    {
+      if (GetConsoleScreenBufferInfo (hConOut, &scr))
+	{
+	  *swp = scr.dwSize.X;
+	  *shp = scr.srWindow.Bottom - scr.srWindow.Top + 1;
+	}
+    }
+}
+#endif
+
 /* Get readline's idea of the screen size.  TTY is a file descriptor open
    to the terminal.  If IGNORE_ENV is true, we do not pay attention to the
    values of $LINES and $COLUMNS.  The tests for TERM_STRING_BUFFER being
@@ -189,26 +228,42 @@ _rl_get_screen_size (tty, ignore_env)
 #if defined (TIOCGWINSZ)
   struct winsize window_size;
 #endif /* TIOCGWINSZ */
+  int wr, wc;
 
+  wr = wc = -1;
 #if defined (TIOCGWINSZ)
   if (ioctl (tty, TIOCGWINSZ, &window_size) == 0)
     {
-      _rl_screenwidth = (int) window_size.ws_col;
-      _rl_screenheight = (int) window_size.ws_row;
+      wc = (int) window_size.ws_col;
+      wr = (int) window_size.ws_row;
     }
 #endif /* TIOCGWINSZ */
 
 #if defined (__EMX__)
-  _emx_get_screensize (&_rl_screenwidth, &_rl_screenheight);
+  _emx_get_screensize (&wc, &wr);
+#elif defined (__MINGW32__)
+  _win_get_screensize (&wc, &wr);
 #endif
 
+  if (ignore_env || rl_prefer_env_winsize == 0)
+    {
+      _rl_screenwidth = wc;
+      _rl_screenheight = wr;
+    }
+  else
+    _rl_screenwidth = _rl_screenheight = -1;
+
   /* Environment variable COLUMNS overrides setting of "co" if IGNORE_ENV
-     is unset. */
+     is unset.  If we prefer the environment, check it first before
+     assigning the value returned by the kernel. */
   if (_rl_screenwidth <= 0)
     {
       if (ignore_env == 0 && (ss = sh_get_env_value ("COLUMNS")))
 	_rl_screenwidth = atoi (ss);
 
+      if (_rl_screenwidth <= 0)
+        _rl_screenwidth = wc;
+
 #if !defined (__DJGPP__)
       if (_rl_screenwidth <= 0 && term_string_buffer)
 	_rl_screenwidth = tgetnum ("co");
@@ -222,6 +277,9 @@ _rl_get_screen_size (tty, ignore_env)
       if (ignore_env == 0 && (ss = sh_get_env_value ("LINES")))
 	_rl_screenheight = atoi (ss);
 
+      if (_rl_screenheight <= 0)
+        _rl_screenheight = wr;
+
 #if !defined (__DJGPP__)
       if (_rl_screenheight <= 0 && term_string_buffer)
 	_rl_screenheight = tgetnum ("li");
@@ -250,16 +308,20 @@ void
 _rl_set_screen_size (rows, cols)
      int rows, cols;
 {
-  if (rows == 0 || cols == 0)
-    return;
-
-  _rl_screenheight = rows;
-  _rl_screenwidth = cols;
+  if (_rl_term_autowrap == -1)
+    _rl_init_terminal_io (rl_terminal_name);
 
-  if (_rl_term_autowrap == 0)
-    _rl_screenwidth--;
+  if (rows > 0)
+    _rl_screenheight = rows;
+  if (cols > 0)
+    {
+      _rl_screenwidth = cols;
+      if (_rl_term_autowrap == 0)
+	_rl_screenwidth--;
+    }
 
-  _rl_screenchars = _rl_screenwidth * _rl_screenheight;
+  if (rows > 0 || cols > 0)
+    _rl_screenchars = _rl_screenwidth * _rl_screenheight;
 }
 
 void
@@ -278,6 +340,12 @@ rl_get_screen_size (rows, cols)
   if (cols)
     *cols = _rl_screenwidth;
 }
+
+void
+rl_reset_screen_size ()
+{
+  _rl_get_screen_size (fileno (rl_instream), 0);
+}
      
 void
 rl_resize_terminal ()
@@ -311,6 +379,7 @@ static struct _tc_string tc_strings[] =
   { "ei", &_rl_term_ei },
   { "ic", &_rl_term_ic },
   { "im", &_rl_term_im },
+  { "kD", &_rl_term_kD },	/* delete */
   { "kH", &_rl_term_kH },	/* home down ?? */
   { "kI", &_rl_term_kI },	/* insert */
   { "kd", &_rl_term_kd },
@@ -323,9 +392,7 @@ static struct _tc_string tc_strings[] =
   { "le", &_rl_term_backspace },
   { "mm", &_rl_term_mm },
   { "mo", &_rl_term_mo },
-#if defined (HACK_TERMCAP_MOTION)
   { "nd", &_rl_term_forward_char },
-#endif
   { "pc", &_rl_term_pc },
   { "up", &_rl_term_up },
   { "vb", &_rl_visible_bell },
@@ -344,7 +411,7 @@ get_term_capabilities (bp)
 #if !defined (__DJGPP__)	/* XXX - doesn't DJGPP have a termcap library? */
   register int i;
 
-  for (i = 0; i < (int) NUM_TC_STRINGS; i++)
+  for (i = 0; i < NUM_TC_STRINGS; i++)
     *(tc_strings[i].tc_value) = tgetstr ((char *)tc_strings[i].tc_var, bp);
 #endif
   tcap_initialized = 1;
@@ -361,7 +428,6 @@ _rl_init_terminal_io (terminal_name)
   term = terminal_name ? terminal_name : sh_get_env_value ("TERM");
   _rl_term_clrpag = _rl_term_cr = _rl_term_clreol = (char *)NULL;
   tty = rl_instream ? fileno (rl_instream) : 0;
-  _rl_screenwidth = _rl_screenheight = 0;
 
   if (term == 0)
     term = "dumb";
@@ -394,12 +460,17 @@ _rl_init_terminal_io (terminal_name)
 
       _rl_term_autowrap = 0;	/* used by _rl_get_screen_size */
 
+      /* Allow calling application to set default height and width, using
+	 rl_set_screen_size */
+      if (_rl_screenwidth <= 0 || _rl_screenheight <= 0)
+	{
 #if defined (__EMX__)
-      _emx_get_screensize (&_rl_screenwidth, &_rl_screenheight);
-      _rl_screenwidth--;
+	  _emx_get_screensize (&_rl_screenwidth, &_rl_screenheight);
+	  _rl_screenwidth--;
 #else /* !__EMX__ */
-      _rl_get_screen_size (tty, 0);
+	  _rl_get_screen_size (tty, 0);
 #endif /* !__EMX__ */
+	}
 
       /* Defaults. */
       if (_rl_screenwidth <= 0 || _rl_screenheight <= 0)
@@ -410,24 +481,22 @@ _rl_init_terminal_io (terminal_name)
 
       /* Everything below here is used by the redisplay code (tputs). */
       _rl_screenchars = _rl_screenwidth * _rl_screenheight;
-      _rl_term_cr = (char*) "\r";
+      _rl_term_cr = "\r";
       _rl_term_im = _rl_term_ei = _rl_term_ic = _rl_term_IC = (char *)NULL;
       _rl_term_up = _rl_term_dc = _rl_term_DC = _rl_visible_bell = (char *)NULL;
       _rl_term_ku = _rl_term_kd = _rl_term_kl = _rl_term_kr = (char *)NULL;
-      _rl_term_kh = _rl_term_kH = _rl_term_kI = (char *)NULL;
+      _rl_term_kh = _rl_term_kH = _rl_term_kI = _rl_term_kD = (char *)NULL;
       _rl_term_ks = _rl_term_ke = _rl_term_at7 = (char *)NULL;
       _rl_term_mm = _rl_term_mo = (char *)NULL;
       _rl_term_ve = _rl_term_vs = (char *)NULL;
-#if defined (HACK_TERMCAP_MOTION)
-      term_forward_char = (char *)NULL;
-#endif
+      _rl_term_forward_char = (char *)NULL;
       _rl_terminal_can_insert = term_has_meta = 0;
 
       /* Reasonable defaults for tgoto().  Readline currently only uses
          tgoto if _rl_term_IC or _rl_term_DC is defined, but just in case we
          change that later... */
       PC = '\0';
-      BC = _rl_term_backspace = (char*) "\b";
+      BC = _rl_term_backspace = "\b";
       UP = _rl_term_up;
 
       return 0;
@@ -442,11 +511,14 @@ _rl_init_terminal_io (terminal_name)
   UP = _rl_term_up;
 
   if (!_rl_term_cr)
-    _rl_term_cr = (char*) "\r";
+    _rl_term_cr = "\r";
 
   _rl_term_autowrap = tgetflag ("am") && tgetflag ("xn");
 
-  _rl_get_screen_size (tty, 0);
+  /* Allow calling application to set default height and width, using
+     rl_set_screen_size */
+  if (_rl_screenwidth <= 0 || _rl_screenheight <= 0)
+    _rl_get_screen_size (tty, 0);
 
   /* "An application program can assume that the terminal can do
       character insertion if *any one of* the capabilities `IC',
@@ -491,6 +563,8 @@ bind_termcap_arrow_keys (map)
   rl_bind_keyseq_if_unbound (_rl_term_kh, rl_beg_of_line);	/* Home */
   rl_bind_keyseq_if_unbound (_rl_term_at7, rl_end_of_line);	/* End */
 
+  rl_bind_keyseq_if_unbound (_rl_term_kD, rl_delete);
+
   _rl_keymap = xkeymap;
 }
 
@@ -502,7 +576,7 @@ rl_get_termcap (cap)
 
   if (tcap_initialized == 0)
     return ((char *)NULL);
-  for (i = 0; i < (int) NUM_TC_STRINGS; i++)
+  for (i = 0; i < NUM_TC_STRINGS; i++)
     {
       if (tc_strings[i].tc_var[0] == cap[0] && strcmp (tc_strings[i].tc_var, cap) == 0)
         return *(tc_strings[i].tc_value);
@@ -516,6 +590,7 @@ int
 rl_reset_terminal (terminal_name)
      const char *terminal_name;
 {
+  _rl_screenwidth = _rl_screenheight = 0;
   _rl_init_terminal_io (terminal_name);
   return 0;
 }
diff --git a/cmd-line-utils/readline/text.c b/cmd-line-utils/readline/text.c
index cf9223df844..399a48c5f1e 100644
--- a/cmd-line-utils/readline/text.c
+++ b/cmd-line-utils/readline/text.c
@@ -1,6 +1,6 @@
 /* text.c -- text handling commands for readline. */
 
-/* Copyright (C) 1987-2004 Free Software Foundation, Inc.
+/* Copyright (C) 1987-2005 Free Software Foundation, Inc.
 
    This file is part of the GNU Readline Library, a library for
    reading lines of text with interactive input and history editing.
@@ -21,7 +21,9 @@
    59 Temple Place, Suite 330, Boston, MA 02111 USA. */
 #define READLINE_LIBRARY
 
-#include "config_readline.h"
+#if defined (HAVE_CONFIG_H)
+#  include <config.h>
+#endif
 
 #if defined (HAVE_UNISTD_H)
 #  include <unistd.h>
@@ -60,6 +62,11 @@
 static int rl_change_case PARAMS((int, int));
 static int _rl_char_search PARAMS((int, int, int));
 
+#if defined (READLINE_CALLBACKS)
+static int _rl_insert_next_callback PARAMS((_rl_callback_generic_arg *));
+static int _rl_char_search_callback PARAMS((_rl_callback_generic_arg *));
+#endif
+
 /* **************************************************************** */
 /*								    */
 /*			Insert and Delete			    */
@@ -402,7 +409,8 @@ rl_backward (count, key)
 
 /* Move to the beginning of the line. */
 int
-rl_beg_of_line (int count __attribute__((unused)), int key __attribute__((unused)))
+rl_beg_of_line (count, key)
+     int count, key;
 {
   rl_point = 0;
   return 0;
@@ -410,14 +418,14 @@ rl_beg_of_line (int count __attribute__((unused)), int key __attribute__((unused
 
 /* Move to the end of the line. */
 int
-rl_end_of_line (int count __attribute__((unused)), int key __attribute__((unused)))
+rl_end_of_line (count, key)
+     int count, key;
 {
   rl_point = rl_end;
   return 0;
 }
 
-/* XXX - these might need changes for multibyte characters */
-/* Move forward a word.  We do what Emacs does. */
+/* Move forward a word.  We do what Emacs does.  Handles multibyte chars. */
 int
 rl_forward_word (count, key)
      int count, key;
@@ -434,68 +442,80 @@ rl_forward_word (count, key)
 
       /* If we are not in a word, move forward until we are in one.
 	 Then, move forward until we hit a non-alphabetic character. */
-      c = rl_line_buffer[rl_point];
-      if (rl_alphabetic (c) == 0)
+      c = _rl_char_value (rl_line_buffer, rl_point);
+
+      if (_rl_walphabetic (c) == 0)
 	{
-	  while (++rl_point < rl_end)
+	  rl_point = MB_NEXTCHAR (rl_line_buffer, rl_point, 1, MB_FIND_NONZERO);
+	  while (rl_point < rl_end)
 	    {
-	      c = rl_line_buffer[rl_point];
-	      if (rl_alphabetic (c))
+	      c = _rl_char_value (rl_line_buffer, rl_point);
+	      if (_rl_walphabetic (c))
 		break;
+	      rl_point = MB_NEXTCHAR (rl_line_buffer, rl_point, 1, MB_FIND_NONZERO);
 	    }
 	}
 
       if (rl_point == rl_end)
 	return 0;
 
-      while (++rl_point < rl_end)
+      rl_point = MB_NEXTCHAR (rl_line_buffer, rl_point, 1, MB_FIND_NONZERO);
+      while (rl_point < rl_end)
 	{
-	  c = rl_line_buffer[rl_point];
-	  if (rl_alphabetic (c) == 0)
+	  c = _rl_char_value (rl_line_buffer, rl_point);
+	  if (_rl_walphabetic (c) == 0)
 	    break;
+	  rl_point = MB_NEXTCHAR (rl_line_buffer, rl_point, 1, MB_FIND_NONZERO);
 	}
+
       --count;
     }
 
   return 0;
 }
 
-/* Move backward a word.  We do what Emacs does. */
+/* Move backward a word.  We do what Emacs does.  Handles multibyte chars. */
 int
 rl_backward_word (count, key)
      int count, key;
 {
-  int c;
+  int c, p;
 
   if (count < 0)
     return (rl_forward_word (-count, key));
 
   while (count)
     {
-      if (!rl_point)
+      if (rl_point == 0)
 	return 0;
 
       /* Like rl_forward_word (), except that we look at the characters
 	 just before point. */
 
-      c = rl_line_buffer[rl_point - 1];
-      if (rl_alphabetic (c) == 0)
+      p = MB_PREVCHAR (rl_line_buffer, rl_point, MB_FIND_NONZERO);
+      c = _rl_char_value (rl_line_buffer, p);
+
+      if (_rl_walphabetic (c) == 0)
 	{
-	  while (--rl_point)
+	  rl_point = p;
+	  while (rl_point > 0)
 	    {
-	      c = rl_line_buffer[rl_point - 1];
-	      if (rl_alphabetic (c))
+	      p = MB_PREVCHAR (rl_line_buffer, rl_point, MB_FIND_NONZERO);
+	      c = _rl_char_value (rl_line_buffer, p);
+	      if (_rl_walphabetic (c))
 		break;
+	      rl_point = p;
 	    }
 	}
 
       while (rl_point)
 	{
-	  c = rl_line_buffer[rl_point - 1];
-	  if (rl_alphabetic (c) == 0)
+	  p = MB_PREVCHAR (rl_line_buffer, rl_point, MB_FIND_NONZERO);
+	  c = _rl_char_value (rl_line_buffer, p);	  
+	  if (_rl_walphabetic (c) == 0)
 	    break;
 	  else
-	    --rl_point;
+	    rl_point = p;
 	}
 
       --count;
@@ -506,7 +526,8 @@ rl_backward_word (count, key)
 
 /* Clear the current line.  Numeric argument to C-l does this. */
 int
-rl_refresh_line (int count __attribute__((unused)), int key __attribute__((unused)))
+rl_refresh_line (ignore1, ignore2)
+     int ignore1, ignore2;
 {
   int curr_line;
 
@@ -544,7 +565,8 @@ rl_clear_screen (count, key)
 }
 
 int
-rl_arrow_keys (int count, int c __attribute__((unused)))
+rl_arrow_keys (count, c)
+     int count, c;
 {
   int ch;
 
@@ -592,7 +614,7 @@ rl_arrow_keys (int count, int c __attribute__((unused)))
 #ifdef HANDLE_MULTIBYTE
 static char pending_bytes[MB_LEN_MAX];
 static int pending_bytes_length = 0;
-static mbstate_t ps;
+static mbstate_t ps = {0};
 #endif
 
 /* Insert the character C at the current location, moving point forward.
@@ -750,10 +772,8 @@ _rl_insert_char (count, c)
       return 0;
     }
 
-#if defined (HANDLE_MULTIBYTE)
   if (MB_CUR_MAX == 1 || rl_byte_oriented)
     {
-#endif
       /* We are inserting a single character.
 	 If there is pending input, then make a string of all of the
 	 pending characters that are bound to rl_insert, and insert
@@ -769,8 +789,8 @@ _rl_insert_char (count, c)
 	  str[0] = c;
 	  rl_insert_text (str);
 	}
-#if defined (HANDLE_MULTIBYTE)
     }
+#if defined (HANDLE_MULTIBYTE)
   else
     {
       rl_insert_text (incoming);
@@ -827,29 +847,67 @@ rl_insert (count, c)
 }
 
 /* Insert the next typed character verbatim. */
-int
-rl_quoted_insert (int count, int key __attribute__((unused)))
+static int
+_rl_insert_next (count)
+     int count;
 {
   int c;
 
-#if defined (HANDLE_SIGNALS)
-  _rl_disable_tty_signals ();
-#endif
-
   RL_SETSTATE(RL_STATE_MOREINPUT);
   c = rl_read_key ();
   RL_UNSETSTATE(RL_STATE_MOREINPUT);
 
 #if defined (HANDLE_SIGNALS)
-  _rl_restore_tty_signals ();
+  if (RL_ISSTATE (RL_STATE_CALLBACK) == 0)
+    _rl_restore_tty_signals ();
 #endif
 
   return (_rl_insert_char (count, c));  
 }
 
+#if defined (READLINE_CALLBACKS)
+static int
+_rl_insert_next_callback (data)
+     _rl_callback_generic_arg *data;
+{
+  int count;
+
+  count = data->count;
+
+  /* Deregister function, let rl_callback_read_char deallocate data */
+  _rl_callback_func = 0;
+  _rl_want_redisplay = 1;
+ 
+  return _rl_insert_next (count);
+}
+#endif
+  
+int
+rl_quoted_insert (count, key)
+     int count, key;
+{
+  /* Let's see...should the callback interface futz with signal handling? */
+#if defined (HANDLE_SIGNALS)
+  if (RL_ISSTATE (RL_STATE_CALLBACK) == 0)
+    _rl_disable_tty_signals ();
+#endif
+
+#if defined (READLINE_CALLBACKS)
+  if (RL_ISSTATE (RL_STATE_CALLBACK))
+    {
+      _rl_callback_data = _rl_callback_data_alloc (count);
+      _rl_callback_func = _rl_insert_next_callback;
+      return (0);
+    }
+#endif
+      
+  return _rl_insert_next (count);
+}
+
 /* Insert a tab character. */
 int
-rl_tab_insert (int count, int key __attribute__((unused)))
+rl_tab_insert (count, key)
+     int count, key;
 {
   return (_rl_insert_char (count, '\t'));
 }
@@ -858,7 +916,8 @@ rl_tab_insert (int count, int key __attribute__((unused)))
    KEY is the key that invoked this command.  I guess it could have
    meaning in the future. */
 int
-rl_newline (int count __attribute__((unused)), int key __attribute__((unused)))
+rl_newline (count, key)
+     int count, key;
 {
   rl_done = 1;
 
@@ -891,8 +950,8 @@ rl_newline (int count __attribute__((unused)), int key __attribute__((unused)))
    is just a stub, you bind keys to it and the code in _rl_dispatch ()
    is special cased. */
 int
-rl_do_lowercase_version (int count __attribute__((unused)),
-                         int key __attribute__((unused)))
+rl_do_lowercase_version (ignore1, ignore2)
+     int ignore1, ignore2;
 {
   return 0;
 }
@@ -979,43 +1038,17 @@ _rl_rubout_char (count, key)
       return -1;
     }
 
+  orig_point = rl_point;
   if (count > 1 || rl_explicit_arg)
     {
-      orig_point = rl_point;
-#if defined (HANDLE_MULTIBYTE)
-      if (MB_CUR_MAX > 1 && rl_byte_oriented == 0)
-	rl_backward_char (count, key);
-      else
-#endif
-        rl_backward_byte (count, key);
+      rl_backward_char (count, key);
       rl_kill_text (orig_point, rl_point);
     }
-  else
+  else if (MB_CUR_MAX == 1 || rl_byte_oriented)
     {
-#if defined (HANDLE_MULTIBYTE)
-      if (MB_CUR_MAX == 1 || rl_byte_oriented)
-	{
-#endif
-	  c = rl_line_buffer[--rl_point];
-	  rl_delete_text (rl_point, rl_point + 1);
-#if defined (HANDLE_MULTIBYTE)
-	}
-      else
-	{
-	  int orig_point2;
-
-	  orig_point2 = rl_point;
-	  rl_point = _rl_find_prev_mbchar (rl_line_buffer, rl_point, MB_FIND_NONZERO);
-	  c = rl_line_buffer[rl_point];
-	  rl_delete_text (rl_point, orig_point2);
-	}
-#endif /* HANDLE_MULTIBYTE */
-
-      /* I don't think that the hack for end of line is needed for
-	 multibyte chars. */
-#if defined (HANDLE_MULTIBYTE)
-      if (MB_CUR_MAX == 1 || rl_byte_oriented)
-#endif
+      c = rl_line_buffer[--rl_point];
+      rl_delete_text (rl_point, orig_point);
+      /* The erase-at-end-of-line hack is of questionable merit now. */
       if (rl_point == rl_end && ISPRINT (c) && _rl_last_c_pos)
 	{
 	  int l;
@@ -1023,6 +1056,11 @@ _rl_rubout_char (count, key)
 	  _rl_erase_at_end_of_line (l);
 	}
     }
+  else
+    {
+      rl_point = _rl_find_prev_mbchar (rl_line_buffer, rl_point, MB_FIND_NONZERO);
+      rl_delete_text (rl_point, orig_point);
+    }
 
   return 0;
 }
@@ -1033,7 +1071,7 @@ int
 rl_delete (count, key)
      int count, key;
 {
-  int r;
+  int xpoint;
 
   if (count < 0)
     return (_rl_rubout_char (-count, key));
@@ -1046,28 +1084,21 @@ rl_delete (count, key)
 
   if (count > 1 || rl_explicit_arg)
     {
-      int orig_point = rl_point;
-#if defined (HANDLE_MULTIBYTE)
+      xpoint = rl_point;
       if (MB_CUR_MAX > 1 && rl_byte_oriented == 0)
 	rl_forward_char (count, key);
       else
-#endif
 	rl_forward_byte (count, key);
 
-      r = rl_kill_text (orig_point, rl_point);
-      rl_point = orig_point;
-      return r;
+      rl_kill_text (xpoint, rl_point);
+      rl_point = xpoint;
     }
   else
     {
-      int new_point;
-      if (MB_CUR_MAX > 1 && rl_byte_oriented == 0)
-	new_point = _rl_find_next_mbchar (rl_line_buffer, rl_point, 1, MB_FIND_NONZERO);
-      else
-	new_point = rl_point + 1;
-	
-      return (rl_delete_text (rl_point, new_point));
+      xpoint = MB_NEXTCHAR (rl_line_buffer, rl_point, 1, MB_FIND_NONZERO);
+      rl_delete_text (rl_point, xpoint);
     }
+  return 0;
 }
 
 /* Delete the character under the cursor, unless the insertion
@@ -1086,8 +1117,8 @@ rl_rubout_or_delete (count, key)
 
 /* Delete all spaces and tabs around point. */
 int
-rl_delete_horizontal_space (int count __attribute__((unused)),
-                            int key __attribute__((unused)))
+rl_delete_horizontal_space (count, ignore)
+     int count, ignore;
 {
   int start = rl_point;
 
@@ -1104,6 +1135,10 @@ rl_delete_horizontal_space (int count __attribute__((unused)),
       rl_delete_text (start, rl_point);
       rl_point = start;
     }
+
+  if (rl_point < 0)
+    rl_point = 0;
+
   return 0;
 }
 
@@ -1127,13 +1162,14 @@ rl_delete_or_show_completions (count, key)
 /* Turn the current line into a comment in shell history.
    A K*rn shell style function. */
 int
-rl_insert_comment (int count __attribute__((unused)), int key)
+rl_insert_comment (count, key)
+     int count, key;
 {
   char *rl_comment_text;
   int rl_comment_len;
 
   rl_beg_of_line (1, key);
-  rl_comment_text = _rl_comment_begin ? _rl_comment_begin : (char*) RL_COMMENT_BEGIN_DEFAULT;
+  rl_comment_text = _rl_comment_begin ? _rl_comment_begin : RL_COMMENT_BEGIN_DEFAULT;
 
   if (rl_explicit_arg == 0)
     rl_insert_text (rl_comment_text);
@@ -1165,21 +1201,24 @@ rl_insert_comment (int count __attribute__((unused)), int key)
 
 /* Uppercase the word at point. */
 int
-rl_upcase_word (int count, int key __attribute__((unused)))
+rl_upcase_word (count, key)
+     int count, key;
 {
   return (rl_change_case (count, UpCase));
 }
 
 /* Lowercase the word at point. */
 int
-rl_downcase_word (int count, int key __attribute__((unused)))
+rl_downcase_word (count, key)
+     int count, key;
 {
   return (rl_change_case (count, DownCase));
 }
 
 /* Upcase the first letter, downcase the rest. */
 int
-rl_capitalize_word (int count, int key __attribute__((unused)))
+rl_capitalize_word (count, key)
+     int count, key;
 {
  return (rl_change_case (count, CapCase));
 }
@@ -1193,42 +1232,80 @@ static int
 rl_change_case (count, op)
      int count, op;
 {
-  register int start, end;
-  int inword, c;
+  int start, next, end;
+  int inword, c, nc, nop;
+#if defined (HANDLE_MULTIBYTE)
+  wchar_t wc, nwc;
+  char mb[MB_LEN_MAX+1];
+  int mlen;
+  mbstate_t mps;
+#endif
 
   start = rl_point;
   rl_forward_word (count, 0);
   end = rl_point;
 
+  if (op != UpCase && op != DownCase && op != CapCase)
+    {
+      rl_ding ();
+      return -1;
+    }
+
   if (count < 0)
     SWAP (start, end);
 
+#if defined (HANDLE_MULTIBYTE)
+  memset (&mps, 0, sizeof (mbstate_t));
+#endif
+
   /* We are going to modify some text, so let's prepare to undo it. */
   rl_modifying (start, end);
 
-  for (inword = 0; start < end; start++)
+  inword = 0;
+  while (start < end)
     {
-      c = rl_line_buffer[start];
-      switch (op)
-	{
-	case UpCase:
-	  rl_line_buffer[start] = _rl_to_upper (c);
-	  break;
+      c = _rl_char_value (rl_line_buffer, start);
+      /*  This assumes that the upper and lower case versions are the same width. */
+      next = MB_NEXTCHAR (rl_line_buffer, start, 1, MB_FIND_NONZERO);
 
-	case DownCase:
-	  rl_line_buffer[start] = _rl_to_lower (c);
-	  break;
-
-	case CapCase:
-	  rl_line_buffer[start] = (inword == 0) ? _rl_to_upper (c) : _rl_to_lower (c);
-	  inword = rl_alphabetic (rl_line_buffer[start]);
-	  break;
+      if (_rl_walphabetic (c) == 0)
+	{
+	  inword = 0;
+	  start = next;
+	  continue;
+	}
 
-	default:
-	  rl_ding ();
-	  return -1;
+      if (op == CapCase)
+	{
+	  nop = inword ? DownCase : UpCase;
+	  inword = 1;
+	}
+      else
+	nop = op;
+      if (MB_CUR_MAX == 1 || rl_byte_oriented || isascii (c))
+	{
+	  nc = (nop == UpCase) ? _rl_to_upper (c) : _rl_to_lower (c);
+	  rl_line_buffer[start] = nc;
+	}
+#if defined (HANDLE_MULTIBYTE)
+      else
+	{
+	  mbrtowc (&wc, rl_line_buffer + start, end - start, &mps);
+	  nwc = (nop == UpCase) ? _rl_to_wupper (wc) : _rl_to_wlower (wc);
+	  if  (nwc != wc)	/*  just skip unchanged characters */
+	    {
+	      mlen = wcrtomb (mb, nwc, &mps);
+	      if (mlen > 0)
+		mb[mlen] = '\0';
+	      /* Assume the same width */
+	      strncpy (rl_line_buffer + start, mb, mlen);
+	    }
 	}
+#endif
+
+      start = next;
     }
+
   rl_point = end;
   return 0;
 }
@@ -1303,15 +1380,16 @@ rl_transpose_words (count, key)
 /* Transpose the characters at point.  If point is at the end of the line,
    then transpose the characters before point. */
 int
-rl_transpose_chars (int count, int key __attribute__((unused)))
+rl_transpose_chars (count, key)
+     int count, key;
 {
 #if defined (HANDLE_MULTIBYTE)
   char *dummy;
-  int i, prev_point;
+  int i;
 #else
   char dummy[2];
 #endif
-  int char_length;
+  int char_length, prev_point;
 
   if (count == 0)
     return 0;
@@ -1326,20 +1404,12 @@ rl_transpose_chars (int count, int key __attribute__((unused)))
 
   if (rl_point == rl_end)
     {
-      if (MB_CUR_MAX > 1 && rl_byte_oriented == 0)
-	rl_point = _rl_find_prev_mbchar (rl_line_buffer, rl_point, MB_FIND_NONZERO);
-      else
-	--rl_point;
+      rl_point = MB_PREVCHAR (rl_line_buffer, rl_point, MB_FIND_NONZERO);
       count = 1;
     }
 
-#if defined (HANDLE_MULTIBYTE)
   prev_point = rl_point;
-  if (MB_CUR_MAX > 1 && rl_byte_oriented == 0)
-    rl_point = _rl_find_prev_mbchar (rl_line_buffer, rl_point, MB_FIND_NONZERO);
-  else
-#endif
-    rl_point--;
+  rl_point = MB_PREVCHAR (rl_line_buffer, rl_point, MB_FIND_NONZERO);
 
 #if defined (HANDLE_MULTIBYTE)
   char_length = prev_point - rl_point;
@@ -1473,15 +1543,51 @@ _rl_char_search (count, fdir, bdir)
 }
 #endif /* !HANDLE_MULTIBYTE */
 
+#if defined (READLINE_CALLBACKS)
+static int
+_rl_char_search_callback (data)
+     _rl_callback_generic_arg *data;
+{
+  _rl_callback_func = 0;
+  _rl_want_redisplay = 1;
+
+  return (_rl_char_search (data->count, data->i1, data->i2));
+}
+#endif
+
 int
-rl_char_search (int count, int key __attribute__((unused)))
+rl_char_search (count, key)
+     int count, key;
 {
+#if defined (READLINE_CALLBACKS)
+  if (RL_ISSTATE (RL_STATE_CALLBACK))
+    {
+      _rl_callback_data = _rl_callback_data_alloc (count);
+      _rl_callback_data->i1 = FFIND;
+      _rl_callback_data->i2 = BFIND;
+      _rl_callback_func = _rl_char_search_callback;
+      return (0);
+    }
+#endif
+  
   return (_rl_char_search (count, FFIND, BFIND));
 }
 
 int
-rl_backward_char_search (int count, int key __attribute__((unused)))
+rl_backward_char_search (count, key)
+     int count, key;
 {
+#if defined (READLINE_CALLBACKS)
+  if (RL_ISSTATE (RL_STATE_CALLBACK))
+    {
+      _rl_callback_data = _rl_callback_data_alloc (count);
+      _rl_callback_data->i1 = BFIND;
+      _rl_callback_data->i2 = FFIND;
+      _rl_callback_func = _rl_char_search_callback;
+      return (0);
+    }
+#endif
+
   return (_rl_char_search (count, BFIND, FFIND));
 }
 
@@ -1505,15 +1611,16 @@ _rl_set_mark_at_pos (position)
 
 /* A bindable command to set the mark. */
 int
-rl_set_mark (int count, int key __attribute__((unused)))
+rl_set_mark (count, key)
+     int count, key;
 {
   return (_rl_set_mark_at_pos (rl_explicit_arg ? count : rl_point));
 }
 
 /* Exchange the position of mark and point. */
 int
-rl_exchange_point_and_mark (int count __attribute__((unused)),
-                            int key __attribute__((unused)))
+rl_exchange_point_and_mark (count, key)
+     int count, key;
 {
   if (rl_mark > rl_end)
     rl_mark = -1;
diff --git a/cmd-line-utils/readline/tilde.c b/cmd-line-utils/readline/tilde.c
index 91eead0d9e2..1b76c9f2404 100644
--- a/cmd-line-utils/readline/tilde.c
+++ b/cmd-line-utils/readline/tilde.c
@@ -19,9 +19,9 @@
    along with Readline; see the file COPYING.  If not, write to the Free
    Software Foundation, 59 Temple Place, Suite 330, Boston, MA 02111 USA. */
 
-#define READLINE_LIBRARY
-
-#include "config_readline.h"
+#if defined (HAVE_CONFIG_H)
+#  include <config.h>
+#endif
 
 #if defined (HAVE_UNISTD_H)
 #  ifdef _MINIX
@@ -43,7 +43,9 @@
 #endif /* HAVE_STDLIB_H */
 
 #include <sys/types.h>
+#if defined (HAVE_PWD_H)
 #include <pwd.h>
+#endif
 
 #include "tilde.h"
 
@@ -54,8 +56,12 @@ static void *xmalloc (), *xrealloc ();
 #endif /* TEST || STATIC_MALLOC */
 
 #if !defined (HAVE_GETPW_DECLS)
+#  if defined (HAVE_GETPWUID)
 extern struct passwd *getpwuid PARAMS((uid_t));
+#  endif
+#  if defined (HAVE_GETPWNAM)
 extern struct passwd *getpwnam PARAMS((const char *));
+#  endif
 #endif /* !HAVE_GETPW_DECLS */
 
 #if !defined (savestring)
@@ -190,7 +196,7 @@ tilde_expand (string)
   int result_size, result_index;
 
   result_index = result_size = 0;
-  if ((result = strchr (string, '~')))
+  if (result = strchr (string, '~'))
     result = (char *)xmalloc (result_size = (strlen (string) + 16));
   else
     result = (char *)xmalloc (result_size = (strlen (string) + 1));
@@ -277,6 +283,39 @@ isolate_tilde_prefix (fname, lenp)
   return ret;
 }
 
+#if 0
+/* Public function to scan a string (FNAME) beginning with a tilde and find
+   the portion of the string that should be passed to the tilde expansion
+   function.  Right now, it just calls tilde_find_suffix and allocates new
+   memory, but it can be expanded to do different things later. */
+char *
+tilde_find_word (fname, flags, lenp)
+     const char *fname;
+     int flags, *lenp;
+{
+  int x;
+  char *r;
+
+  x = tilde_find_suffix (fname);
+  if (x == 0)
+    {
+      r = savestring (fname);
+      if (lenp)
+	*lenp = 0;
+    }
+  else
+    {
+      r = (char *)xmalloc (1 + x);
+      strncpy (r, fname, x);
+      r[x] = '\0';
+      if (lenp)
+	*lenp = x;
+    }
+
+  return r;
+}
+#endif
+
 /* Return a string that is PREFIX concatenated with SUFFIX starting at
    SUFFIND. */
 static char *
@@ -347,7 +386,11 @@ tilde_expand_word (filename)
   /* No preexpansion hook, or the preexpansion hook failed.  Look in the
      password database. */
   dirname = (char *)NULL;
+#if defined (HAVE_GETPWNAM)
   user_entry = getpwnam (username);
+#else
+  user_entry = 0;
+#endif
   if (user_entry == 0)
     {
       /* If the calling program has a special syntax for expanding tildes,
@@ -361,19 +404,20 @@ tilde_expand_word (filename)
 	      free (expansion);
 	    }
 	}
-      free (username);
       /* If we don't have a failure hook, or if the failure hook did not
 	 expand the tilde, return a copy of what we were passed. */
       if (dirname == 0)
 	dirname = savestring (filename);
     }
+#if defined (HAVE_GETPWENT)
   else
-    {
-      free (username);
-      dirname = glue_prefix_and_suffix (user_entry->pw_dir, filename, user_len);
-    }
+    dirname = glue_prefix_and_suffix (user_entry->pw_dir, filename, user_len);
+#endif
 
+  free (username);
+#if defined (HAVE_GETPWENT)
   endpwent ();
+#endif
   return (dirname);
 }
 
diff --git a/cmd-line-utils/readline/tilde.h b/cmd-line-utils/readline/tilde.h
index f8182c999d9..c58ce20e7a2 100644
--- a/cmd-line-utils/readline/tilde.h
+++ b/cmd-line-utils/readline/tilde.h
@@ -71,6 +71,9 @@ extern char *tilde_expand PARAMS((const char *));
    tilde.  If there is no expansion, call tilde_expansion_failure_hook. */
 extern char *tilde_expand_word PARAMS((const char *));
 
+/* Find the portion of the string beginning with ~ that should be expanded. */
+extern char *tilde_find_word PARAMS((const char *, int, int *));
+
 #ifdef __cplusplus
 }
 #endif
diff --git a/cmd-line-utils/readline/undo.c b/cmd-line-utils/readline/undo.c
index 4d256f492b8..9d9bd25ba8f 100644
--- a/cmd-line-utils/readline/undo.c
+++ b/cmd-line-utils/readline/undo.c
@@ -1,7 +1,7 @@
 /* readline.c -- a general facility for reading lines of input
    with emacs style editing and completion. */
 
-/* Copyright (C) 1987, 1989, 1992 Free Software Foundation, Inc.
+/* Copyright (C) 1987, 1989, 1992, 2006 Free Software Foundation, Inc.
 
    This file is part of the GNU Readline Library, a library for
    reading lines of text with interactive input and history editing.
@@ -22,7 +22,9 @@
    59 Temple Place, Suite 330, Boston, MA 02111 USA. */
 #define READLINE_LIBRARY
 
-#include "config_readline.h"
+#if defined (HAVE_CONFIG_H)
+#  include <config.h>
+#endif
 
 #include <sys/types.h>
 
@@ -48,6 +50,8 @@
 #include "rlprivate.h"
 #include "xmalloc.h"
 
+extern void replace_history_data PARAMS((int, histdata_t *, histdata_t *));
+
 /* Non-zero tells rl_delete_text and rl_insert_text to not add to
    the undo list. */
 int _rl_doing_an_undo = 0;
@@ -64,19 +68,35 @@ UNDO_LIST *rl_undo_list = (UNDO_LIST *)NULL;
 /*								    */
 /* **************************************************************** */
 
-/* Remember how to undo something.  Concatenate some undos if that
-   seems right. */
-void
-rl_add_undo (what, start, end, text)
+static UNDO_LIST *
+alloc_undo_entry (what, start, end, text)
      enum undo_code what;
      int start, end;
      char *text;
 {
-  UNDO_LIST *temp = (UNDO_LIST *)xmalloc (sizeof (UNDO_LIST));
+  UNDO_LIST *temp;
+
+  temp = (UNDO_LIST *)xmalloc (sizeof (UNDO_LIST));
   temp->what = what;
   temp->start = start;
   temp->end = end;
   temp->text = text;
+
+  temp->next = (UNDO_LIST *)NULL;
+  return temp;
+}
+
+/* Remember how to undo something.  Concatenate some undos if that
+   seems right. */
+void
+rl_add_undo (what, start, end, text)
+     enum undo_code what;
+     int start, end;
+     char *text;
+{
+  UNDO_LIST *temp;
+
+  temp = alloc_undo_entry (what, start, end, text);
   temp->next = rl_undo_list;
   rl_undo_list = temp;
 }
@@ -85,9 +105,12 @@ rl_add_undo (what, start, end, text)
 void
 rl_free_undo_list ()
 {
+  UNDO_LIST *release, *orig_list;
+
+  orig_list = rl_undo_list;
   while (rl_undo_list)
     {
-      UNDO_LIST *release = rl_undo_list;
+      release = rl_undo_list;
       rl_undo_list = rl_undo_list->next;
 
       if (release->what == UNDO_DELETE)
@@ -96,6 +119,43 @@ rl_free_undo_list ()
       free (release);
     }
   rl_undo_list = (UNDO_LIST *)NULL;
+  replace_history_data (-1, (histdata_t *)orig_list, (histdata_t *)NULL);
+}
+
+UNDO_LIST *
+_rl_copy_undo_entry (entry)
+     UNDO_LIST *entry;
+{
+  UNDO_LIST *new;
+
+  new = alloc_undo_entry (entry->what, entry->start, entry->end, (char *)NULL);
+  new->text = entry->text ? savestring (entry->text) : 0;
+  return new;
+}
+
+UNDO_LIST *
+_rl_copy_undo_list (head)
+     UNDO_LIST *head;
+{
+  UNDO_LIST *list, *new, *roving, *c;
+
+  list = head;
+  new = 0;
+  while (list)
+    {
+      c = _rl_copy_undo_entry (list);
+      if (new == 0)
+	roving = new = c;
+      else
+	{
+	  roving->next = c;
+	  roving = roving->next;
+	}
+      list = list->next;
+    }
+
+  roving->next = 0;
+  return new;
 }
 
 /* Undo the next thing in the list.  Return 0 if there
@@ -159,6 +219,8 @@ rl_do_undo ()
 
       release = rl_undo_list;
       rl_undo_list = rl_undo_list->next;
+      replace_history_data (-1, (histdata_t *)release, (histdata_t *)rl_undo_list);
+
       free (release);
     }
   while (waiting_for_begin);
@@ -175,7 +237,7 @@ _rl_fix_last_undo_of_type (type, start, end)
 
   for (rl = rl_undo_list; rl; rl = rl->next)
     {
-      if (rl->what == (unsigned int) type)
+      if (rl->what == type)
 	{
 	  rl->start = start;
 	  rl->end = end;
@@ -226,7 +288,8 @@ rl_modifying (start, end)
 
 /* Revert the current line to its previous state. */
 int
-rl_revert_line (int count __attribute__((unused)), int key  __attribute__((unused)))
+rl_revert_line (count, key)
+     int count, key;
 {
   if (!rl_undo_list)
     rl_ding ();
@@ -234,13 +297,19 @@ rl_revert_line (int count __attribute__((unused)), int key  __attribute__((unuse
     {
       while (rl_undo_list)
 	rl_do_undo ();
+#if defined (VI_MODE)
+      if (rl_editing_mode == vi_mode)
+	rl_point = rl_mark = 0;		/* rl_end should be set correctly */
+#endif
     }
+    
   return 0;
 }
 
 /* Do some undoing of things that were done. */
 int
-rl_undo_command (int count, int key __attribute__((unused)))
+rl_undo_command (count, key)
+     int count, key;
 {
   if (count < 0)
     return 0;	/* Nothing to do. */
diff --git a/cmd-line-utils/readline/util.c b/cmd-line-utils/readline/util.c
index d5fe51a7bf2..e44ef64349d 100644
--- a/cmd-line-utils/readline/util.c
+++ b/cmd-line-utils/readline/util.c
@@ -1,6 +1,6 @@
 /* util.c -- readline utility functions */
 
-/* Copyright (C) 1987, 1989, 1992 Free Software Foundation, Inc.
+/* Copyright (C) 1987-2005 Free Software Foundation, Inc.
 
    This file is part of the GNU Readline Library, a library for
    reading lines of text with interactive input and history editing.
@@ -21,7 +21,9 @@
    59 Temple Place, Suite 330, Boston, MA 02111 USA. */
 #define READLINE_LIBRARY
 
-#include "config_readline.h"
+#if defined (HAVE_CONFIG_H)
+#  include <config.h>
+#endif
 
 #include <sys/types.h>
 #include <fcntl.h>
@@ -42,6 +44,7 @@
 
 /* System-specific feature definitions and include files. */
 #include "rldefs.h"
+#include "rlmbutil.h"
 
 #if defined (TIOCSTAT_IN_SYS_IOCTL)
 #  include <sys/ioctl.h>
@@ -76,13 +79,29 @@ rl_alphabetic (c)
 	    strchr (pathname_alphabetic_chars, c) != NULL);
 }
 
+#if defined (HANDLE_MULTIBYTE)
+int
+_rl_walphabetic (wc)
+     wchar_t wc;
+{
+  int c;
+
+  if (iswalnum (wc))
+    return (1);     
+
+  c = wc & 0177;
+  return (_rl_allow_pathname_alphabetic_chars &&
+	    strchr (pathname_alphabetic_chars, c) != NULL);
+}
+#endif
+
 /* How to abort things. */
 int
 _rl_abort_internal ()
 {
   rl_ding ();
   rl_clear_message ();
-  _rl_init_argument ();
+  _rl_reset_argument ();
   rl_clear_pending_input ();
 
   RL_UNSETSTATE (RL_STATE_MACRODEF);
@@ -95,13 +114,15 @@ _rl_abort_internal ()
 }
 
 int
-rl_abort (int count __attribute__((unused)), int key __attribute__((unused)))
+rl_abort (count, key)
+     int count, key;
 {
   return (_rl_abort_internal ());
 }
 
 int
-rl_tty_status (int count __attribute__((unused)), int key __attribute__((unused)))
+rl_tty_status (count, key)
+     int count, key;
 {
 #if defined (TIOCSTAT)
   ioctl (1, TIOCSTAT, (char *)0);
@@ -150,7 +171,8 @@ rl_extend_line_buffer (len)
 
 /* A function for simple tilde expansion. */
 int
-rl_tilde_expand (int ignore __attribute__((unused)), int key __attribute__((unused)))
+rl_tilde_expand (ignore, key)
+     int ignore, key;
 {
   register int start, end;
   char *homedir, *temp;
diff --git a/cmd-line-utils/readline/vi_keymap.c b/cmd-line-utils/readline/vi_keymap.c
index 53a67c674ce..4b48c75cc5d 100644
--- a/cmd-line-utils/readline/vi_keymap.c
+++ b/cmd-line-utils/readline/vi_keymap.c
@@ -130,7 +130,7 @@ KEYMAP_ENTRY_ARRAY vi_movement_keymap = {
   { ISFUNC, rl_revert_line },			/* U */
   { ISFUNC, (rl_command_func_t *)0x0 },		/* V */
   { ISFUNC, rl_vi_next_word },			/* W */
-  { ISFUNC, rl_rubout },			/* X */
+  { ISFUNC, rl_vi_rubout },			/* X */
   { ISFUNC, rl_vi_yank_to },			/* Y */
   { ISFUNC, (rl_command_func_t *)0x0 },		/* Z */
 
diff --git a/cmd-line-utils/readline/vi_mode.c b/cmd-line-utils/readline/vi_mode.c
index a277fe2c237..d0b7e330adc 100644
--- a/cmd-line-utils/readline/vi_mode.c
+++ b/cmd-line-utils/readline/vi_mode.c
@@ -1,7 +1,7 @@
 /* vi_mode.c -- A vi emulation mode for Bash.
    Derived from code written by Jeff Sparkes (jsparkes@bnr.ca).  */
 
-/* Copyright (C) 1987-2004 Free Software Foundation, Inc.
+/* Copyright (C) 1987-2005 Free Software Foundation, Inc.
 
    This file is part of the GNU Readline Library, a library for
    reading lines of text with interactive input and history editing.
@@ -31,7 +31,9 @@
 
 #if defined (VI_MODE)
 
-#include "config_readline.h"
+#if defined (HAVE_CONFIG_H)
+#  include <config.h>
+#endif
 
 #include <sys/types.h>
 
@@ -88,6 +90,7 @@ static int _rl_vi_last_arg_sign = 1;
 static int _rl_vi_last_motion;
 #if defined (HANDLE_MULTIBYTE)
 static char _rl_vi_last_search_mbchar[MB_LEN_MAX];
+static int _rl_vi_last_search_mblen;
 #else
 static int _rl_vi_last_search_char;
 #endif
@@ -105,15 +108,35 @@ static int vi_mark_chars['z' - 'a' + 1];
 
 static void _rl_vi_stuff_insert PARAMS((int));
 static void _rl_vi_save_insert PARAMS((UNDO_LIST *));
+
+static void _rl_vi_backup PARAMS((void));
+
+static int _rl_vi_arg_dispatch PARAMS((int));
 static int rl_digit_loop1 PARAMS((void));
 
+static int _rl_vi_set_mark PARAMS((void));
+static int _rl_vi_goto_mark PARAMS((void));
+
+static void _rl_vi_append_forward PARAMS((int));
+
+static int _rl_vi_callback_getchar PARAMS((char *, int));
+
+#if defined (READLINE_CALLBACKS)
+static int _rl_vi_callback_set_mark PARAMS((_rl_callback_generic_arg *));
+static int _rl_vi_callback_goto_mark PARAMS((_rl_callback_generic_arg *));
+static int _rl_vi_callback_change_char PARAMS((_rl_callback_generic_arg *));
+static int _rl_vi_callback_char_search PARAMS((_rl_callback_generic_arg *));
+#endif
+
 void
 _rl_vi_initialize_line ()
 {
   register int i;
 
-  for (i = 0; i < (int) (sizeof (vi_mark_chars) / sizeof (int)); i++)
+  for (i = 0; i < sizeof (vi_mark_chars) / sizeof (int); i++)
     vi_mark_chars[i] = -1;
+
+  RL_UNSETSTATE(RL_STATE_VICMDONCE);
 }
 
 void
@@ -166,7 +189,8 @@ _rl_vi_stuff_insert (count)
    redo a text modification command.  The default for _rl_vi_last_command
    puts you back into insert mode. */
 int
-rl_vi_redo (int count, int c __attribute__((unused)))
+rl_vi_redo (count, c)
+     int count, c;
 {
   int r;
 
@@ -185,7 +209,16 @@ rl_vi_redo (int count, int c __attribute__((unused)))
       _rl_vi_stuff_insert (count);
       /* And back up point over the last character inserted. */
       if (rl_point > 0)
-	rl_point--;
+	_rl_vi_backup ();
+    }
+  /* Ditto for redoing an insert with `a', but move forward a character first
+     like the `a' command does. */
+  else if (_rl_vi_last_command == 'a' && vi_insert_buffer && *vi_insert_buffer)
+    {
+      _rl_vi_append_forward ('a');
+      _rl_vi_stuff_insert (count);
+      if (rl_point > 0)
+	_rl_vi_backup ();
     }
   else
     r = _rl_dispatch (_rl_vi_last_command, _rl_keymap);
@@ -204,7 +237,8 @@ rl_vi_undo (count, key)
     
 /* Yank the nth arg from the previous line into this line at point. */
 int
-rl_vi_yank_arg (int count, int key __attribute__((unused)))
+rl_vi_yank_arg (count, key)
+     int count, key;
 {
   /* Readline thinks that the first word on a line is the 0th, while vi
      thinks the first word on a line is the 1st.  Compensate. */
@@ -268,10 +302,12 @@ rl_vi_search (count, key)
   switch (key)
     {
     case '?':
+      _rl_free_saved_history_line ();
       rl_noninc_forward_search (count, key);
       break;
 
     case '/':
+      _rl_free_saved_history_line ();
       rl_noninc_reverse_search (count, key);
       break;
 
@@ -284,7 +320,8 @@ rl_vi_search (count, key)
 
 /* Completion, from vi's point of view. */
 int
-rl_vi_complete (int ignore __attribute__((unused)), int key)
+rl_vi_complete (ignore, key)
+     int ignore, key;
 {
   if ((rl_point < rl_end) && (!whitespace (rl_line_buffer[rl_point])))
     {
@@ -310,7 +347,8 @@ rl_vi_complete (int ignore __attribute__((unused)), int key)
 
 /* Tilde expansion for vi mode. */
 int
-rl_vi_tilde_expand (int ignore __attribute__((unused)), int key)
+rl_vi_tilde_expand (ignore, key)
+     int ignore, key;
 {
   rl_tilde_expand (0, key);
   rl_vi_start_inserting (key, 1, rl_arg_sign);
@@ -380,7 +418,8 @@ rl_vi_end_word (count, key)
 
 /* Move forward a word the way that 'W' does. */
 int
-rl_vi_fWord (int count, int ignore __attribute__((unused)))
+rl_vi_fWord (count, ignore)
+     int count, ignore;
 {
   while (count-- && rl_point < (rl_end - 1))
     {
@@ -396,7 +435,8 @@ rl_vi_fWord (int count, int ignore __attribute__((unused)))
 }
 
 int
-rl_vi_bWord (int count, int ignore __attribute__((unused)))
+rl_vi_bWord (count, ignore)
+     int count, ignore;
 {
   while (count-- && rl_point > 0)
     {
@@ -419,7 +459,8 @@ rl_vi_bWord (int count, int ignore __attribute__((unused)))
 }
 
 int
-rl_vi_eWord(int count, int ignore __attribute__((unused)))
+rl_vi_eWord (count, ignore)
+     int count, ignore;
 {
   while (count-- && rl_point < (rl_end - 1))
     {
@@ -449,7 +490,8 @@ rl_vi_eWord(int count, int ignore __attribute__((unused)))
 }
 
 int
-rl_vi_fword (int count, int ignore __attribute__((unused)))
+rl_vi_fword (count, ignore)
+     int count, ignore;
 {
   while (count-- && rl_point < (rl_end - 1))
     {
@@ -474,7 +516,8 @@ rl_vi_fword (int count, int ignore __attribute__((unused)))
 }
 
 int
-rl_vi_bword (int count, int ignore __attribute__((unused)))
+rl_vi_bword (count, ignore)
+     int count, ignore;
 {
   while (count-- && rl_point > 0)
     {
@@ -512,7 +555,8 @@ rl_vi_bword (int count, int ignore __attribute__((unused)))
 }
 
 int
-rl_vi_eword (int count, int ignore __attribute__((unused)))
+rl_vi_eword (count, ignore)
+     int count, ignore;
 {
   while (count-- && rl_point < rl_end - 1)
     {
@@ -536,34 +580,46 @@ rl_vi_eword (int count, int ignore __attribute__((unused)))
 }
 
 int
-rl_vi_insert_beg (int count __attribute__((unused)), int key)
+rl_vi_insert_beg (count, key)
+     int count, key;
 {
   rl_beg_of_line (1, key);
   rl_vi_insertion_mode (1, key);
   return (0);
 }
 
-int
-rl_vi_append_mode (int count __attribute__((unused)), int key)
+static void
+_rl_vi_append_forward (key)
+     int key;
 {
+  int point;
+
   if (rl_point < rl_end)
     {
       if (MB_CUR_MAX == 1 || rl_byte_oriented)
 	rl_point++;
       else
         {
-          int point = rl_point;
+          point = rl_point;
           rl_forward_char (1, key);
           if (point == rl_point)
             rl_point = rl_end;
         }
     }
-  rl_vi_insertion_mode (1, key);
+}
+
+int
+rl_vi_append_mode (count, key)
+     int count, key;
+{
+  _rl_vi_append_forward (key);
+  rl_vi_start_inserting (key, 1, rl_arg_sign);
   return (0);
 }
 
 int
-rl_vi_append_eol (int count __attribute__((unused)), int key)
+rl_vi_append_eol (count, key)
+     int count, key;
 {
   rl_end_of_line (1, key);
   rl_vi_append_mode (1, key);
@@ -572,7 +628,8 @@ rl_vi_append_eol (int count __attribute__((unused)), int key)
 
 /* What to do in the case of C-d. */
 int
-rl_vi_eof_maybe (int count __attribute__((unused)), int c __attribute__((unused)))
+rl_vi_eof_maybe (count, c)
+     int count, c;
 {
   return (rl_newline (1, '\n'));
 }
@@ -582,7 +639,8 @@ rl_vi_eof_maybe (int count __attribute__((unused)), int c __attribute__((unused)
 /* Switching from one mode to the other really just involves
    switching keymaps. */
 int
-rl_vi_insertion_mode (int count __attribute__((unused)), int key)
+rl_vi_insertion_mode (count, key)
+     int count, key;
 {
   _rl_keymap = vi_insertion_keymap;
   _rl_vi_last_key_before_insert = key;
@@ -595,7 +653,7 @@ _rl_vi_save_insert (up)
 {
   int len, start, end;
 
-  if (up == 0)
+  if (up == 0 || up->what != UNDO_INSERT)
     {
       if (vi_insert_buffer_size >= 1)
 	vi_insert_buffer[0] = '\0';
@@ -644,13 +702,21 @@ _rl_vi_done_inserting ()
 }
 
 int
-rl_vi_movement_mode (int count __attribute__((unused)), int key)
+rl_vi_movement_mode (count, key)
+     int count, key;
 {
   if (rl_point > 0)
     rl_backward_char (1, key);
 
   _rl_keymap = vi_movement_keymap;
   _rl_vi_done_inserting ();
+
+  /* This is how POSIX.2 says `U' should behave -- everything up until the
+     first time you go into command mode should not be undone. */
+  if (RL_ISSTATE (RL_STATE_VICMDONCE) == 0)
+    rl_free_undo_list ();
+
+  RL_SETSTATE (RL_STATE_VICMDONCE);
   return (0);
 }
 
@@ -672,7 +738,7 @@ _rl_vi_change_mbchar_case (count)
 {
   wchar_t wc;
   char mb[MB_LEN_MAX+1];
-  int local_mblen;
+  int mlen, p;
   mbstate_t ps;
 
   memset (&ps, 0, sizeof (mbstate_t));
@@ -695,11 +761,14 @@ _rl_vi_change_mbchar_case (count)
       /* Vi is kind of strange here. */
       if (wc)
 	{
-	  local_mblen = wcrtomb (mb, wc, &ps);
-	  if (local_mblen >= 0)
-	    mb[local_mblen] = '\0';
+	  p = rl_point;
+	  mlen = wcrtomb (mb, wc, &ps);
+	  if (mlen >= 0)
+	    mb[mlen] = '\0';
 	  rl_begin_undo_group ();
-	  rl_delete (1, 0);
+	  rl_vi_delete (1, 0);
+	  if (rl_point < p)	/* Did we retreat at EOL? */
+	    rl_point++;	/* XXX - should we advance more than 1 for mbchar? */
 	  rl_insert_text (mb);
 	  rl_end_undo_group ();
 	  rl_vi_check ();
@@ -713,7 +782,8 @@ _rl_vi_change_mbchar_case (count)
 #endif
 
 int
-rl_vi_change_case (int count, int ignore __attribute__((unused)))
+rl_vi_change_case (count, ignore)
+     int count, ignore;
 {
   int c, p;
 
@@ -772,6 +842,15 @@ rl_vi_put (count, key)
   return (0);
 }
 
+static void
+_rl_vi_backup ()
+{
+  if (MB_CUR_MAX > 1 && rl_byte_oriented == 0)
+    rl_point = _rl_find_prev_mbchar (rl_line_buffer, rl_point, MB_FIND_NONZERO);
+  else
+    rl_point--;
+}
+
 int
 rl_vi_check ()
 {
@@ -816,7 +895,9 @@ rl_vi_domove (key, nextkey)
 	  save = rl_numeric_arg;
 	  rl_numeric_arg = _rl_digit_value (c);
 	  rl_explicit_arg = 1;
+	  RL_SETSTATE (RL_STATE_NUMERICARG|RL_STATE_VIMOTION);
 	  rl_digit_loop1 ();
+	  RL_UNSETSTATE (RL_STATE_VIMOTION);
 	  rl_numeric_arg *= save;
 	  RL_SETSTATE(RL_STATE_MOREINPUT);
 	  c = rl_read_key ();	/* real command */
@@ -889,52 +970,59 @@ rl_vi_domove (key, nextkey)
   return (0);
 }
 
+/* Process C as part of the current numeric argument.  Return -1 if the
+   argument should be aborted, 0 if we should not read any more chars, and
+   1 if we should continue to read chars. */
+static int
+_rl_vi_arg_dispatch (c)
+     int c;
+{
+  int key;
+
+  key = c;
+  if (c >= 0 && _rl_keymap[c].type == ISFUNC && _rl_keymap[c].function == rl_universal_argument)
+    {
+      rl_numeric_arg *= 4;
+      return 1;
+    }
+
+  c = UNMETA (c);
+
+  if (_rl_digit_p (c))
+    {
+      if (rl_explicit_arg)
+	rl_numeric_arg = (rl_numeric_arg * 10) + _rl_digit_value (c);
+      else
+	rl_numeric_arg = _rl_digit_value (c);
+      rl_explicit_arg = 1;
+      return 1;
+    }
+  else
+    {
+      rl_clear_message ();
+      rl_stuff_char (key);
+      return 0;
+    }
+}
+
 /* A simplified loop for vi. Don't dispatch key at end.
    Don't recognize minus sign?
    Should this do rl_save_prompt/rl_restore_prompt? */
 static int
 rl_digit_loop1 ()
 {
-  int key, c;
+  int c, r;
 
-  RL_SETSTATE(RL_STATE_NUMERICARG);
   while (1)
     {
-      if (rl_numeric_arg > 1000000)
-	{
-	  rl_explicit_arg = rl_numeric_arg = 0;
-	  rl_ding ();
-	  rl_clear_message ();
-	  RL_UNSETSTATE(RL_STATE_NUMERICARG);
-	  return 1;
-	}
-      rl_message ("(arg: %d) ", rl_arg_sign * rl_numeric_arg);
-      RL_SETSTATE(RL_STATE_MOREINPUT);
-      key = c = rl_read_key ();
-      RL_UNSETSTATE(RL_STATE_MOREINPUT);
+      if (_rl_arg_overflow ())
+	return 1;
 
-      if (c >= 0 && _rl_keymap[c].type == ISFUNC &&
-	  _rl_keymap[c].function == rl_universal_argument)
-	{
-	  rl_numeric_arg *= 4;
-	  continue;
-	}
+      c = _rl_arg_getchar ();
 
-      c = UNMETA (c);
-      if (_rl_digit_p (c))
-	{
-	  if (rl_explicit_arg)
-	    rl_numeric_arg = (rl_numeric_arg * 10) + _rl_digit_value (c);
-	  else
-	    rl_numeric_arg = _rl_digit_value (c);
-	  rl_explicit_arg = 1;
-	}
-      else
-	{
-	  rl_clear_message ();
-	  rl_stuff_char (key);
-	  break;
-	}
+      r = _rl_vi_arg_dispatch (c);
+      if (r <= 0)
+	break;
     }
 
   RL_UNSETSTATE(RL_STATE_NUMERICARG);
@@ -942,7 +1030,8 @@ rl_digit_loop1 ()
 }
 
 int
-rl_vi_delete_to (int count __attribute__((unused)), int key)
+rl_vi_delete_to (count, key)
+     int count, key;
 {
   int c;
 
@@ -967,7 +1056,8 @@ rl_vi_delete_to (int count __attribute__((unused)), int key)
 }
 
 int
-rl_vi_change_to (int count __attribute__((unused)), int key)
+rl_vi_change_to (count, key)
+     int count, key;
 {
   int c, start_pos;
 
@@ -1019,10 +1109,12 @@ rl_vi_change_to (int count __attribute__((unused)), int key)
 }
 
 int
-rl_vi_yank_to (int count __attribute__((unused)), int key)
+rl_vi_yank_to (count, key)
+     int count, key;
 {
-  int c, save = rl_point;
+  int c, save;
 
+  save = rl_point;
   if (_rl_uppercase_p (key))
     rl_stuff_char ('$');
 
@@ -1047,11 +1139,45 @@ rl_vi_yank_to (int count __attribute__((unused)), int key)
 }
 
 int
+rl_vi_rubout (count, key)
+     int count, key;
+{
+  int opoint;
+
+  if (count < 0)
+    return (rl_vi_delete (-count, key));
+
+  if (rl_point == 0)
+    {
+      rl_ding ();
+      return -1;
+    }
+
+  opoint = rl_point;
+  if (count > 1 && MB_CUR_MAX > 1 && rl_byte_oriented == 0)
+    rl_backward_char (count, key);
+  else if (MB_CUR_MAX > 1 && rl_byte_oriented == 0)
+    rl_point = _rl_find_prev_mbchar (rl_line_buffer, rl_point, MB_FIND_NONZERO);
+  else
+    rl_point -= count;
+
+  if (rl_point < 0)
+    rl_point = 0;
+
+  rl_kill_text (rl_point, opoint);
+  
+  return (0);
+}
+
+int
 rl_vi_delete (count, key)
      int count, key;
 {
   int end;
 
+  if (count < 0)
+    return (rl_vi_rubout (-count, key));
+
   if (rl_end == 0)
     {
       rl_ding ();
@@ -1070,11 +1196,13 @@ rl_vi_delete (count, key)
   
   if (rl_point > 0 && rl_point == rl_end)
     rl_backward_char (1, key);
+
   return (0);
 }
 
 int
-rl_vi_back_to_indent (int count __attribute__((unused)), int key)
+rl_vi_back_to_indent (count, key)
+     int count, key;
 {
   rl_beg_of_line (1, key);
   while (rl_point < rl_end && whitespace (rl_line_buffer[rl_point]))
@@ -1083,75 +1211,115 @@ rl_vi_back_to_indent (int count __attribute__((unused)), int key)
 }
 
 int
-rl_vi_first_print (int count __attribute__((unused)), int key)
+rl_vi_first_print (count, key)
+     int count, key;
 {
   return (rl_vi_back_to_indent (1, key));
 }
 
+static int _rl_cs_dir, _rl_cs_orig_dir;
+
+#if defined (READLINE_CALLBACKS)
+static int
+_rl_vi_callback_char_search (data)
+     _rl_callback_generic_arg *data;
+{
+#if defined (HANDLE_MULTIBYTE)
+  _rl_vi_last_search_mblen = _rl_read_mbchar (_rl_vi_last_search_mbchar, MB_LEN_MAX);
+#else
+  RL_SETSTATE(RL_STATE_MOREINPUT);
+  _rl_vi_last_search_char = rl_read_key ();
+  RL_UNSETSTATE(RL_STATE_MOREINPUT);
+#endif
+
+  _rl_callback_func = 0;
+  _rl_want_redisplay = 1;
+
+#if defined (HANDLE_MULTIBYTE)
+  return (_rl_char_search_internal (data->count, _rl_cs_dir, _rl_vi_last_search_mbchar, _rl_vi_last_search_mblen));
+#else
+  return (_rl_char_search_internal (data->count, _rl_cs_dir, _rl_vi_last_search_char));
+#endif  
+}
+#endif
+
 int
 rl_vi_char_search (count, key)
      int count, key;
 {
 #if defined (HANDLE_MULTIBYTE)
   static char *target;
-  static int mb_len;
+  static int tlen;
 #else
   static char target;
 #endif
-  static int orig_dir, dir;
 
   if (key == ';' || key == ',')
-    dir = key == ';' ? orig_dir : -orig_dir;
+    _rl_cs_dir = (key == ';') ? _rl_cs_orig_dir : -_rl_cs_orig_dir;
   else
     {
-      if (vi_redoing)
-#if defined (HANDLE_MULTIBYTE)
-	target = _rl_vi_last_search_mbchar;
-#else
-	target = _rl_vi_last_search_char;
-#endif
-      else
-	{
-#if defined (HANDLE_MULTIBYTE)
-	  mb_len = _rl_read_mbchar (_rl_vi_last_search_mbchar, MB_LEN_MAX);
-	  target = _rl_vi_last_search_mbchar;
-#else
-	  RL_SETSTATE(RL_STATE_MOREINPUT);
-	  _rl_vi_last_search_char = target = rl_read_key ();
-	  RL_UNSETSTATE(RL_STATE_MOREINPUT);
-#endif
-	}
-
       switch (key)
         {
         case 't':
-          orig_dir = dir = FTO;
+          _rl_cs_orig_dir = _rl_cs_dir = FTO;
           break;
 
         case 'T':
-          orig_dir = dir = BTO;
+          _rl_cs_orig_dir = _rl_cs_dir = BTO;
           break;
 
         case 'f':
-          orig_dir = dir = FFIND;
+          _rl_cs_orig_dir = _rl_cs_dir = FFIND;
           break;
 
         case 'F':
-          orig_dir = dir = BFIND;
+          _rl_cs_orig_dir = _rl_cs_dir = BFIND;
           break;
         }
+
+      if (vi_redoing)
+	{
+	  /* set target and tlen below */
+	}
+#if defined (READLINE_CALLBACKS)
+      else if (RL_ISSTATE (RL_STATE_CALLBACK))
+        {
+          _rl_callback_data = _rl_callback_data_alloc (count);
+          _rl_callback_data->i1 = _rl_cs_dir;
+          _rl_callback_func = _rl_vi_callback_char_search;
+          return (0);
+        }
+#endif
+      else
+	{
+#if defined (HANDLE_MULTIBYTE)
+	  _rl_vi_last_search_mblen = _rl_read_mbchar (_rl_vi_last_search_mbchar, MB_LEN_MAX);
+#else
+	  RL_SETSTATE(RL_STATE_MOREINPUT);
+	  _rl_vi_last_search_char = rl_read_key ();
+	  RL_UNSETSTATE(RL_STATE_MOREINPUT);
+#endif
+	}
     }
 
 #if defined (HANDLE_MULTIBYTE)
-   return (_rl_char_search_internal (count, dir, target, mb_len));
+  target = _rl_vi_last_search_mbchar;
+  tlen = _rl_vi_last_search_mblen;
+#else
+  target = _rl_vi_last_search_char;
+#endif
+
+#if defined (HANDLE_MULTIBYTE)
+  return (_rl_char_search_internal (count, _rl_cs_dir, target, tlen));
 #else
-  return (_rl_char_search_internal (count, dir, target));
+  return (_rl_char_search_internal (count, _rl_cs_dir, target));
 #endif
 }
 
 /* Match brackets */
 int
-rl_vi_match (int ignore __attribute__((unused)), int key)
+rl_vi_match (ignore, key)
+     int ignore, key;
 {
   int count = 1, brack, pos, tmp, pre;
 
@@ -1255,24 +1423,12 @@ rl_vi_bracktype (c)
     }
 }
 
-/* XXX - think about reading an entire mbchar with _rl_read_mbchar and
-   inserting it in one bunch instead of the loop below (like in
-   rl_vi_char_search or _rl_vi_change_mbchar_case).  Set c to mbchar[0]
-   for test against 033 or ^C.  Make sure that _rl_read_mbchar does
-   this right. */
-int
-rl_vi_change_char (int count, int key __attribute__((unused)))
+static int
+_rl_vi_change_char (count, c, mb)
+     int count, c;
+     char *mb;
 {
-  int c, p;
-
-  if (vi_redoing)
-    c = _rl_vi_last_replacement;
-  else
-    {
-      RL_SETSTATE(RL_STATE_MOREINPUT);
-      _rl_vi_last_replacement = c = rl_read_key ();
-      RL_UNSETSTATE(RL_STATE_MOREINPUT);
-    }
+  int p;
 
   if (c == '\033' || c == CTRL ('C'))
     return -1;
@@ -1282,27 +1438,87 @@ rl_vi_change_char (int count, int key __attribute__((unused)))
     {
       p = rl_point;
       rl_vi_delete (1, c);
+      if (rl_point < p)		/* Did we retreat at EOL? */
+	rl_point++;
 #if defined (HANDLE_MULTIBYTE)
       if (MB_CUR_MAX > 1 && rl_byte_oriented == 0)
-	while (_rl_insert_char (1, c))
-	  {
-	    RL_SETSTATE (RL_STATE_MOREINPUT);
-	    c = rl_read_key ();
-	    RL_UNSETSTATE (RL_STATE_MOREINPUT);
-	  }
+	rl_insert_text (mb);
       else
 #endif
-	{
-	  if (rl_point < p)		/* Did we retreat at EOL? */
-	    rl_point++;
-	  _rl_insert_char (1, c);
-	}
+	_rl_insert_char (1, c);
     }
+
+  /* The cursor shall be left on the last character changed. */
+  rl_backward_char (1, c);
+
   rl_end_undo_group ();
 
   return (0);
 }
 
+static int
+_rl_vi_callback_getchar (mb, mlen)
+     char *mb;
+     int mlen;
+{
+  int c;
+
+  RL_SETSTATE(RL_STATE_MOREINPUT);
+  c = rl_read_key ();
+  RL_UNSETSTATE(RL_STATE_MOREINPUT);
+
+#if defined (HANDLE_MULTIBYTE)
+  if (MB_CUR_MAX > 1 && rl_byte_oriented == 0)
+    c = _rl_read_mbstring (c, mb, mlen);
+#endif
+
+  return c;
+}
+
+#if defined (READLINE_CALLBACKS)
+static int
+_rl_vi_callback_change_char (data)
+     _rl_callback_generic_arg *data;
+{
+  int c;
+  char mb[MB_LEN_MAX];
+
+  _rl_vi_last_replacement = c = _rl_vi_callback_getchar (mb, MB_LEN_MAX);
+
+  _rl_callback_func = 0;
+  _rl_want_redisplay = 1;
+
+  return (_rl_vi_change_char (data->count, c, mb));
+}
+#endif
+
+int
+rl_vi_change_char (count, key)
+     int count, key;
+{
+  int c;
+  char mb[MB_LEN_MAX];
+
+  if (vi_redoing)
+    {
+      c = _rl_vi_last_replacement;
+      mb[0] = c;
+      mb[1] = '\0';
+    }
+#if defined (READLINE_CALLBACKS)
+  else if (RL_ISSTATE (RL_STATE_CALLBACK))
+    {
+      _rl_callback_data = _rl_callback_data_alloc (count);
+      _rl_callback_func = _rl_vi_callback_change_char;
+      return (0);
+    }
+#endif
+  else
+    _rl_vi_last_replacement = c = _rl_vi_callback_getchar (mb, MB_LEN_MAX);
+
+  return (_rl_vi_change_char (count, c, mb));
+}
+
 int
 rl_vi_subst (count, key)
      int count, key;
@@ -1365,7 +1581,8 @@ rl_vi_overstrike_delete (count, key)
 }
 
 int
-rl_vi_replace (int count __attribute__((unused)), int key __attribute__((unused)))
+rl_vi_replace (count, key)
+     int count, key;
 {
   int i;
 
@@ -1424,8 +1641,8 @@ rl_vi_possible_completions()
 #endif
 
 /* Functions to save and restore marks. */
-int
-rl_vi_set_mark (int count __attribute__((unused)), int key __attribute__((unused)))
+static int
+_rl_vi_set_mark ()
 {
   int ch;
 
@@ -1443,8 +1660,36 @@ rl_vi_set_mark (int count __attribute__((unused)), int key __attribute__((unused
   return 0;
 }
 
+#if defined (READLINE_CALLBACKS)
+static int
+_rl_vi_callback_set_mark (data)
+     _rl_callback_generic_arg *data;
+{
+  _rl_callback_func = 0;
+  _rl_want_redisplay = 1;
+
+  return (_rl_vi_set_mark ());
+}
+#endif
+
 int
-rl_vi_goto_mark (int count __attribute__((unused)), int key __attribute__((unused)))
+rl_vi_set_mark (count, key)
+     int count, key;
+{
+#if defined (READLINE_CALLBACKS)
+  if (RL_ISSTATE (RL_STATE_CALLBACK))
+    {
+      _rl_callback_data = 0;
+      _rl_callback_func = _rl_vi_callback_set_mark;
+      return (0);
+    }
+#endif
+
+  return (_rl_vi_set_mark ());
+}
+
+static int
+_rl_vi_goto_mark ()
 {
   int ch;
 
@@ -1473,4 +1718,31 @@ rl_vi_goto_mark (int count __attribute__((unused)), int key __attribute__((unuse
   return 0;
 }
 
+#if defined (READLINE_CALLBACKS)
+static int
+_rl_vi_callback_goto_mark (data)
+     _rl_callback_generic_arg *data;
+{
+  _rl_callback_func = 0;
+  _rl_want_redisplay = 1;
+
+  return (_rl_vi_goto_mark ());
+}
+#endif
+
+int
+rl_vi_goto_mark (count, key)
+     int count, key;
+{
+#if defined (READLINE_CALLBACKS)
+  if (RL_ISSTATE (RL_STATE_CALLBACK))
+    {
+      _rl_callback_data = 0;
+      _rl_callback_func = _rl_vi_callback_goto_mark;
+      return (0);
+    }
+#endif
+
+  return (_rl_vi_goto_mark ());
+}
 #endif /* VI_MODE */
diff --git a/cmd-line-utils/readline/xmalloc.c b/cmd-line-utils/readline/xmalloc.c
index 497936d3b43..8985d340d39 100644
--- a/cmd-line-utils/readline/xmalloc.c
+++ b/cmd-line-utils/readline/xmalloc.c
@@ -20,7 +20,9 @@
    Software Foundation, 59 Temple Place, Suite 330, Boston, MA 02111 USA. */
 #define READLINE_LIBRARY
 
-#include "config_readline.h"
+#if defined (HAVE_CONFIG_H)
+#include <config.h>
+#endif
 
 #include <stdio.h>
 
@@ -39,7 +41,8 @@
 /* **************************************************************** */
 
 static void
-memory_error_and_abort(const char *fname)
+memory_error_and_abort (fname)
+     char *fname;
 {
   fprintf (stderr, "%s: out of virtual memory\n", fname);
   exit (2);
@@ -56,7 +59,7 @@ xmalloc (bytes)
 
   temp = malloc (bytes);
   if (temp == 0)
-    memory_error_and_abort("xmalloc");
+    memory_error_and_abort ("xmalloc");
   return (temp);
 }
 
@@ -70,7 +73,7 @@ xrealloc (pointer, bytes)
   temp = pointer ? realloc (pointer, bytes) : malloc (bytes);
 
   if (temp == 0)
-    memory_error_and_abort("xrealloc");
+    memory_error_and_abort ("xrealloc");
   return (temp);
 }