Resolve conflicts

8 files changed, 678 insertions, 299 deletions

diff --git a/contrib/libreadline/complete.c b/contrib/libreadline/complete.c
index 158de12..12da0ee 100644
--- a/contrib/libreadline/complete.c
+++ b/contrib/libreadline/complete.c
@@ -1,8 +1,7 @@
 /* $FreeBSD$ */
-
 /* 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.
@@ -50,7 +49,9 @@
 extern int errno;
 #endif /* !errno */
 
+#if defined (HAVE_PWD_H)
 #include <pwd.h>
+#endif
 
 #include "posixdir.h"
 #include "posixstat.h"
@@ -81,9 +82,9 @@ 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.
@@ -208,7 +209,8 @@ 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;
@@ -623,6 +625,8 @@ 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));
@@ -655,21 +659,28 @@ 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
 	}
     }
 
@@ -685,7 +696,7 @@ 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);
@@ -710,7 +721,17 @@ 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);
 
@@ -718,6 +739,10 @@ 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);
 
@@ -809,14 +834,7 @@ _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)
 	    {
@@ -866,11 +884,7 @@ _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];
 
@@ -1153,7 +1167,7 @@ compute_lcd_of_matches (match_list, matches, text)
 	      rl_completion_found_quote &&
 	      rl_filename_quoting_desired)
 	    {
-	      dtext = (*rl_filename_dequoting_function) (text, rl_completion_quote_character);
+	      dtext = (*rl_filename_dequoting_function) ((char *)text, rl_completion_quote_character);
 	      text = dtext;
 	    }
 
@@ -1399,7 +1413,7 @@ 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);
@@ -1536,7 +1550,7 @@ 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
@@ -1850,16 +1864,20 @@ rl_username_completion_function (text, state)
       setpwent ();
     }
 
+#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
@@ -2171,9 +2189,11 @@ rl_menu_complete (count, ignore)
       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/contrib/libreadline/display.c b/contrib/libreadline/display.c
index d0577ba..88fb508 100644
--- a/contrib/libreadline/display.c
+++ b/contrib/libreadline/display.c
@@ -1,8 +1,7 @@
 /* $FreeBSD$ */
-
 /* display.c -- readline redisplay facility. */
 
-/* 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.
@@ -120,16 +119,24 @@ 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;
+
 /* Number of lines currently on screen minus 1. */
 int _rl_vis_botlin = 0;
 
@@ -182,6 +189,18 @@ 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_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
@@ -238,7 +257,8 @@ expand_prompt (pmt, lp, lip, niflp, vlp)
       else if (ignoring && *p == RL_PROMPT_END_IGNORE)
 	{
 	  ignoring = 0;
-	  last = r - ret - 1;
+	  if (p[-1] != RL_PROMPT_START_IGNORE)
+	    last = r - ret - 1;
 	  continue;
 	}
       else
@@ -337,7 +357,8 @@ rl_expand_prompt (prompt)
   FREE (local_prompt_prefix);
 
   local_prompt = local_prompt_prefix = (char *)0;
-  prompt_last_invisible = prompt_visible_length = 0;
+  prompt_last_invisible = prompt_invis_chars_first_line = 0;
+  prompt_visible_length = prompt_physical_chars = 0;
 
   if (prompt == 0 || *prompt == 0)
     return (0);
@@ -425,7 +446,7 @@ rl_redisplay ()
 {
   register int in, out, c, linenum, cursor_linenum;
   register char *line;
-  int c_pos, inv_botlin, lb_botlin, lb_linenum;
+  int c_pos, inv_botlin, lb_botlin, lb_linenum, o_cpos;
   int newlines, lpos, temp, modmark, n0, num;
   char *prompt_this_line;
 #if defined (HANDLE_MULTIBYTE)
@@ -442,7 +463,7 @@ rl_redisplay ()
   if (!rl_display_prompt)
     rl_display_prompt = "";
 
-  if (invisible_line == 0)
+  if (invisible_line == 0 || vis_lbreaks == 0)
     {
       init_line_structures (0);
       rl_on_new_line ();
@@ -835,7 +856,7 @@ 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)
 	{
@@ -866,9 +887,26 @@ rl_redisplay ()
 	  /* For each line in the buffer, do the updating display. */
 	  for (linenum = 0; linenum <= inv_botlin; linenum++)
 	    {
+	      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 (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
@@ -880,7 +918,10 @@ 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);
 		}
@@ -916,7 +957,7 @@ 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;
 	    }
 
@@ -937,7 +978,7 @@ 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;
 	    }
@@ -949,18 +990,31 @@ rl_redisplay ()
 	     start of the line and the cursor position. */
 	  nleft = c_pos - 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);
 	      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)
@@ -1119,7 +1173,10 @@ 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)
     {
@@ -1184,7 +1241,7 @@ 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];
@@ -1325,7 +1382,7 @@ 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;
     }
 
@@ -1354,7 +1411,12 @@ 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;
     }
@@ -1416,7 +1478,7 @@ 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. */
@@ -1455,6 +1517,10 @@ 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. */
@@ -1486,7 +1552,7 @@ 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)
@@ -1548,7 +1614,7 @@ 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;
 
@@ -1597,6 +1663,8 @@ 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
@@ -1605,28 +1673,40 @@ _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 > woff)
+	dpos -= woff;
     }
-  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 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 (new == 0 || CR_FASTER (new, _rl_last_c_pos) ||
       (_rl_term_autowrap && i == _rl_screenwidth))
     {
@@ -1635,10 +1715,10 @@ _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
@@ -1652,31 +1732,11 @@ _rl_move_cursor_relative (new, data)
 #if defined (HACK_TERMCAP_MOTION)
       if (_rl_term_forward_char)
 	{
-	  if (MB_CUR_MAX > 1 && rl_byte_oriented == 0)
-	    {
-	      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);
-	    }
-	  else
-	    {
-	      for (i = _rl_last_c_pos; i < new; i++)
-		tputs (_rl_term_forward_char, 1, _rl_output_character_function);
-	    }
-	}
-      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);
+	  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++)
-	  putc (data[i], rl_outstream);
-
-#else /* !HACK_TERMCAP_MOTION */
-
+#endif /* HACK_TERMCAP_MOTION */
       if (MB_CUR_MAX > 1 && rl_byte_oriented == 0)
 	{
 	  tputs (_rl_term_cr, 1, _rl_output_character_function);
@@ -1684,32 +1744,20 @@ _rl_move_cursor_relative (new, data)
 	    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);
-
-#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. */
@@ -1798,9 +1846,9 @@ 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
@@ -1831,8 +1879,19 @@ 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;
   (*rl_redisplay_function) ();
+
   return 0;
 }
 #else /* !USE_VARARGS */
@@ -1842,8 +1901,20 @@ 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;
   (*rl_redisplay_function) ();
+      
   return 0;
 }
 #endif /* !USE_VARARGS */
@@ -1853,6 +1924,11 @@ 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;
 }
@@ -1867,27 +1943,19 @@ rl_reset_line_state ()
   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_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;
+  prompt_last_invisible = prompt_visible_length = prompt_prefix_length = 0;
   prompt_invis_chars_first_line = prompt_physical_chars = 0;
 }
 
@@ -1899,10 +1967,16 @@ rl_restore_prompt ()
 
   local_prompt = saved_local_prompt;
   local_prompt_prefix = saved_local_prefix;
+  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_last_invisible = saved_visible_length = saved_prefix_length = 0;
+  saved_invis_chars_first_line = saved_physical_chars = 0;
 }
 
 char *
@@ -1936,6 +2010,8 @@ _rl_make_prompt_for_search (pchar)
       prompt_visible_length = saved_visible_length + 1;
     }
 
+  prompt_physical_chars = saved_physical_chars + 1;
+
   return pmt;
 }
 
@@ -1996,6 +2072,9 @@ 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)
@@ -2034,6 +2113,7 @@ 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. */
@@ -2044,6 +2124,7 @@ delete_chars (count)
   if (count > _rl_screenwidth)	/* XXX */
     return;
 
+#if !defined (__MSDOS__) && !defined (__MINGW32__)
   if (_rl_term_DC && *_rl_term_DC)
     {
       char *buffer;
@@ -2056,6 +2137,7 @@ delete_chars (count)
 	while (count--)
 	  tputs (_rl_term_dc, 1, _rl_output_character_function);
     }
+#endif /* !__MSDOS__ && !__MINGW32__ */
 }
 
 void
@@ -2111,18 +2193,10 @@ 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,
@@ -2130,16 +2204,11 @@ redraw_prompt (t)
 				   &prompt_invis_chars_first_line,
 				   &prompt_physical_chars);
   local_prompt_prefix = (char *)NULL;
+
   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. */
diff --git a/contrib/libreadline/doc/readline.3 b/contrib/libreadline/doc/readline.3
index 37a1d11..28c8a87 100644
--- a/contrib/libreadline/doc/readline.3
+++ b/contrib/libreadline/doc/readline.3
@@ -1,3 +1,4 @@
+.\" $FreeBSD$
 .\"
 .\" MAN PAGE COMMENTS to
 .\"
@@ -6,13 +7,12 @@
 .\"	Case Western Reserve University
 .\"	chet@ins.CWRU.Edu
 .\"
-.\"	Last Change: Wed Jan 28 15:43:53 EST 2004
+.\"	Last Change: Tue Sep 13 12:07:26 EDT 2005
 .\"
-.TH READLINE 3 "2004 January 28" "GNU Readline 5.0"
+.TH READLINE 3 "2005 Sep 13" "GNU Readline 5.1-beta1"
 .\"
 .\" File Name macro.  This used to be `.PN', for Path Name,
 .\" but Sun doesn't seem to like that very much.
-.\" $FreeBSD$
 .\"
 .de FN
 \fI\|\\$1\|\fP
@@ -329,6 +329,10 @@ Except where noted, readline variables can take the values
 or
 .B Off
 (without regard to case).
+Unrecognized variable names are ignored.
+When a variable value is read, empty or null values, "on" (case-insensitive),
+and "1" are equivalent to \fBOn\fP.  All other values are equivalent to
+\fBOff\fP.
 The variables and their default values are:
 .PP
 .PD 0
@@ -339,6 +343,11 @@ If set to \fBnone\fP, readline never rings the bell.  If set to
 \fBvisible\fP, readline uses a visible bell if one is available.
 If set to \fBaudible\fP, readline attempts to ring the terminal's bell.
 .TP
+.B bind\-tty\-special\-chars (On)
+If set to \fBOn\fP, readline attempts to bind the control characters  
+treated specially by the kernel's terminal driver to their readline
+equivalents.
+.TP
 .B comment\-begin (``#'')
 The string that is inserted in \fBvi\fP mode when the
 .B insert\-comment
@@ -361,7 +370,7 @@ It may be set to any integer value greater than or equal to
 zero.  If the number of possible completions is greater than
 or equal to the value of this variable, the user is asked whether
 or not he wishes to view them; otherwise they are simply listed
-on the terminal.
+on the terminal.  A negative value causes readline to never ask.
 .TP
 .B convert\-meta (On)
 If set to \fBOn\fP, readline will convert characters with the
@@ -392,9 +401,9 @@ arrow keys.
 If set to \fBon\fP, tilde expansion is performed when readline
 attempts word completion.
 .TP
-.B history-preserve-point     
+.B history\-preserve\-point (Off)
 If set to \fBon\fP, the history code attempts to place point at the 
-same location on each history line retrived with \fBprevious-history\fP 
+same location on each history line retrieved with \fBprevious-history\fP 
 or \fBnext-history\fP.
 .TP
 .B horizontal\-scroll\-mode (Off)
@@ -692,6 +701,8 @@ With an argument
 insert the \fIn\fPth word from the previous command (the words
 in the previous command begin with word 0).  A negative argument
 inserts the \fIn\fPth word from the end of the previous command.
+Once the argument \fIn\fP is computed, the argument is extracted
+as if the "!\fIn\fP" history expansion had been specified.
 .TP
 .B
 yank\-last\-arg (M\-.\^, M\-_\^)
@@ -700,6 +711,8 @@ the previous history entry).  With an argument,
 behave exactly like \fByank\-nth\-arg\fP.
 Successive calls to \fByank\-last\-arg\fP move back through the history
 list, inserting the last argument of each line in turn.
+The history expansion facilities are used to extract the last argument,
+as if the "!$" history expansion had been specified.
 .PD
 .SS Commands for Changing Text
 .PP
diff --git a/contrib/libreadline/readline.h b/contrib/libreadline/readline.h
index 82676b6..33f8798 100644
--- a/contrib/libreadline/readline.h
+++ b/contrib/libreadline/readline.h
@@ -1,6 +1,7 @@
+/* $FreeBSD$ */
 /* 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.
@@ -20,7 +21,6 @@
    have a copy of the license, write to the Free Software Foundation,
    59 Temple Place, Suite 330, Boston, MA 02111 USA. */
 
-/* $FreeBSD$ */
 #if !defined (_READLINE_H_)
 #define _READLINE_H_
 
@@ -41,9 +41,9 @@ extern "C" {
 #endif
 
 /* Hex-encoded Readline version number. */
-#define RL_READLINE_VERSION	0x0500		/* Readline 5.0 */
+#define RL_READLINE_VERSION	0x0501		/* Readline 5.1 */
 #define RL_VERSION_MAJOR	5
-#define RL_VERSION_MINOR	0
+#define RL_VERSION_MINOR	1
 
 /* Readline data structures. */
 
@@ -242,6 +242,7 @@ 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));
@@ -303,6 +304,8 @@ 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. */
@@ -402,6 +405,7 @@ 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 *));
 
@@ -529,6 +533,11 @@ 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;
@@ -760,29 +769,33 @@ 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/contrib/libreadline/shell.c b/contrib/libreadline/shell.c
index e2a01a4..58ecd8e 100644
--- a/contrib/libreadline/shell.c
+++ b/contrib/libreadline/shell.c
@@ -1,5 +1,4 @@
 /* $FreeBSD$ */
-
 /* shell.c -- readline utility functions that are normally provided by
 	      bash when readline is linked as part of the shell. */
 
@@ -50,8 +49,12 @@
 #  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>
 
@@ -59,9 +62,9 @@
 #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
@@ -124,16 +127,7 @@ 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);
@@ -143,8 +137,17 @@ 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 *
@@ -161,9 +164,11 @@ 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);
 }
 
@@ -177,6 +182,7 @@ int
 sh_unset_nodelay_mode (fd)
      int fd;
 {
+#if defined (HAVE_FCNTL)
   int flags, bflags;
 
   if ((flags = fcntl (fd, F_GETFL, 0)) < 0)
@@ -197,6 +203,7 @@ sh_unset_nodelay_mode (fd)
       flags &= ~bflags;
       return (fcntl (fd, F_SETFL, flags));
     }
+#endif
 
   return 0;
 }
diff --git a/contrib/libreadline/terminal.c b/contrib/libreadline/terminal.c
index 1c29108..e2cb8dc 100644
--- a/contrib/libreadline/terminal.c
+++ b/contrib/libreadline/terminal.c
@@ -1,8 +1,7 @@
 /* $FreeBSD$ */
-
 /* terminal.c -- controlling the terminal with termcap. */
 
-/* Copyright (C) 1996 Free Software Foundation, Inc.
+/* Copyright (C) 1996-2005 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.
@@ -71,6 +70,8 @@
 #define CUSTOM_REDISPLAY_FUNC() (rl_redisplay_function != rl_redisplay)
 #define CUSTOM_INPUT_FUNC() (rl_getc_function != rl_getc)
 
+int rl_prefer_env_winsize;
+
 /* **************************************************************** */
 /*								    */
 /*			Terminal and Termcap			    */
@@ -147,6 +148,9 @@ 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;
 
@@ -193,12 +197,14 @@ _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 */
 
@@ -206,13 +212,25 @@ _rl_get_screen_size (tty, ignore_env)
   _emx_get_screensize (&_rl_screenwidth, &_rl_screenheight);
 #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");
@@ -226,6 +244,9 @@ _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");
@@ -254,16 +275,17 @@ 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 == 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
@@ -282,6 +304,12 @@ 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 ()
@@ -315,6 +343,7 @@ 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 },
@@ -365,7 +394,6 @@ _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";
@@ -398,12 +426,17 @@ _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)
@@ -418,7 +451,7 @@ _rl_init_terminal_io (terminal_name)
       _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;
@@ -450,7 +483,10 @@ _rl_init_terminal_io (terminal_name)
 
   _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',
@@ -495,6 +531,8 @@ 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;
 }
 
@@ -520,6 +558,7 @@ 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/contrib/libreadline/util.c b/contrib/libreadline/util.c
index 4cbd9ef..83974e3 100644
--- a/contrib/libreadline/util.c
+++ b/contrib/libreadline/util.c
@@ -1,8 +1,7 @@
 /* $FreeBSD$ */
-
 /* 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.
@@ -46,6 +45,7 @@
 
 /* System-specific feature definitions and include files. */
 #include "rldefs.h"
+#include "rlmbutil.h"
 
 #if defined (TIOCSTAT_IN_SYS_IOCTL)
 #  include <sys/ioctl.h>
@@ -80,13 +80,29 @@ 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);
diff --git a/contrib/libreadline/vi_mode.c b/contrib/libreadline/vi_mode.c
index 13fcc6f..7d305a0 100644
--- a/contrib/libreadline/vi_mode.c
+++ b/contrib/libreadline/vi_mode.c
@@ -1,9 +1,8 @@
 /* $FreeBSD$ */
-
 /* 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.
@@ -92,6 +91,7 @@ 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
@@ -109,8 +109,22 @@ 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 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 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 ()
 {
@@ -118,6 +132,8 @@ _rl_vi_initialize_line ()
 
   for (i = 0; i < sizeof (vi_mark_chars) / sizeof (int); i++)
     vi_mark_chars[i] = -1;
+
+  RL_UNSETSTATE(RL_STATE_VICMDONCE);
 }
 
 void
@@ -673,6 +689,13 @@ rl_vi_movement_mode (count, 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);
 }
 
@@ -842,7 +865,9 @@ 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 */
@@ -915,52 +940,59 @@ 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);
@@ -1050,8 +1082,9 @@ int
 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 ('$');
 
@@ -1076,11 +1109,45 @@ rl_vi_yank_to (count, key)
 }
 
 int
+rl_vi_rubout (count, key)
+     int count, key;
+{
+  int p, 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 ();
@@ -1099,6 +1166,7 @@ rl_vi_delete (count, key)
   
   if (rl_point > 0 && rl_point == rl_end)
     rl_backward_char (1, key);
+
   return (0);
 }
 
@@ -1119,64 +1187,102 @@ rl_vi_first_print (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
-  return (_rl_char_search_internal (count, dir, target));
+  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, _rl_cs_dir, target));
 #endif
 }
 
@@ -1287,25 +1393,12 @@ 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 (count, key)
-     int count, key;
+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;
@@ -1315,31 +1408,87 @@ rl_vi_change_char (count, key)
     {
       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)
-	{
-	  if (rl_point < p)		/* Did we retreat at EOL? */
-	    rl_point++;
-	  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, mblen)
+     char *mb;
+     int mblen;
+{
+  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, mblen);
+#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;
@@ -1462,9 +1611,8 @@ rl_vi_possible_completions()
 #endif
 
 /* Functions to save and restore marks. */
-int
-rl_vi_set_mark (count, key)
-     int count, key;
+static int
+_rl_vi_set_mark ()
 {
   int ch;
 
@@ -1482,10 +1630,37 @@ rl_vi_set_mark (count, key)
   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 (count, key)
+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;
 
   RL_SETSTATE(RL_STATE_MOREINPUT);
@@ -1513,4 +1688,31 @@ rl_vi_goto_mark (count, key)
   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 */