source: patches/bash-4.3-branch_update-5.patch@ 403642d

arrayfunc.c

@@ -179 +179 @@
     array_insert (array_cell (entry), ind, newval);
   FREE (newval);
 
+  VUNSETATTR (entry, att_invisible);    /* no longer invisible */
   return (entry);
 }
 
@@ -597 +598 @@
       if (assoc_p (var))
         {
           val = expand_assignment_string_to_string (val, 0);
+          if (val == 0)
+            {
+              val = (char *)xmalloc (1);
+              val[0] = '\0';    /* like do_assignment_internal */
+            }
           free_val = 1;
         }
 

bashline.c

@@ -4167 +4167 @@
   int qc;
 
   qc = rl_dispatching ? rl_completion_quote_character : 0;  
-  dfn = bash_dequote_filename ((char *)text, qc);
+  /* If rl_completion_found_quote != 0, rl_completion_matches will call the
+     filename dequoting function, causing the directory name to be dequoted
+     twice. */
+  if (rl_dispatching && rl_completion_found_quote == 0)
+    dfn = bash_dequote_filename ((char *)text, qc);
+  else
+    dfn = (char *)text;
   m1 = rl_completion_matches (dfn, rl_filename_completion_function);
-  free (dfn);
+  if (dfn != text)
+    free (dfn);
 
   if (m1 == 0 || m1[0] == 0)
     return m1;

builtins/common.h

@@ -33 +33 @@
 #define SEVAL_RESETLINE 0x010
 #define SEVAL_PARSEONLY 0x020
 #define SEVAL_NOLONGJMP 0x040
+#define SEVAL_FUNCDEF   0x080           /* only allow function definitions */
+#define SEVAL_ONECMD    0x100           /* only allow a single command */
 
 /* Flags for describe_command, shared between type.def and command.def */
 #define CDESC_ALL               0x001   /* type -a */

builtins/evalstring.c

@@ -308 +308 @@
             {
               struct fd_bitmap *bitmap;
 
+              if (flags & SEVAL_FUNCDEF)
+                {
+                  char *x;
+
+                  /* If the command parses to something other than a straight
+                     function definition, or if we have not consumed the entire
+                     string, or if the parser has transformed the function
+                     name (as parsing will if it begins or ends with shell
+                     whitespace, for example), reject the attempt */
+                  if (command->type != cm_function_def ||
+                      ((x = parser_remaining_input ()) && *x) ||
+                      (STREQ (from_file, command->value.Function_def->name->word) == 0))
+                    {
+                      internal_warning (_("%s: ignoring function definition attempt"), from_file);
+                      should_jump_to_top_level = 0;
+                      last_result = last_command_exit_value = EX_BADUSAGE;
+                      reset_parser ();
+                      break;
+                    }
+                }
+
               bitmap = new_fd_bitmap (FD_BITMAP_SIZE);
               begin_unwind_frame ("pe_dispose");
               add_unwind_protect (dispose_fd_bitmap, bitmap);
@@ -368 +389 @@
               dispose_command (command);
               dispose_fd_bitmap (bitmap);
               discard_unwind_frame ("pe_dispose");
+
+              if (flags & SEVAL_ONECMD)
+                {
+                  reset_parser ();
+                  break;
+                }
             }
         }
       else

builtins/read.def

@@ -442 +442 @@
       add_unwind_protect (reset_alarm, (char *)NULL);
 #if defined (READLINE)
       if (edit)
-        add_unwind_protect (reset_attempted_completion_function, (char *)NULL);
+        {
+          add_unwind_protect (reset_attempted_completion_function, (char *)NULL);
+          add_unwind_protect (bashline_reset_event_hook, (char *)NULL);
+        }
 #endif
       falarm (tmsec, tmusec);
     }
@@ -1021 +1024 @@
 
   old_attempted_completion_function = rl_attempted_completion_function;
   rl_attempted_completion_function = (rl_completion_func_t *)NULL;
+  bashline_set_event_hook ();
   if (itext)
     {
       old_startup_hook = rl_startup_hook;
@@ -1032 +1036 @@
 
   rl_attempted_completion_function = old_attempted_completion_function;
   old_attempted_completion_function = (rl_completion_func_t *)NULL;
+  bashline_reset_event_hook ();
 
   if (ret == 0)
     return ret;

copy_cmd.c

@@ -126 +126 @@
     {
     case r_reading_until:
     case r_deblank_reading_until:
-      new_redirect->here_doc_eof = savestring (redirect->here_doc_eof);
+      new_redirect->here_doc_eof = redirect->here_doc_eof ? savestring (redirect->here_doc_eof) : 0;
       /*FALLTHROUGH*/
     case r_reading_string:
     case r_appending_to:

execute_cmd.c

@@ -2409 +2409 @@
 #endif
       lstdin = wait_for (lastpid);
 #if defined (JOB_CONTROL)
-      exec_result = job_exit_status (lastpipe_jid);
+      /* If wait_for removes the job from the jobs table, use result of last
+         command as pipeline's exit status as usual.  The jobs list can get
+         frozen and unfrozen at inconvenient times if there are multiple pipelines
+         running simultaneously. */
+      if (INVALID_JOB (lastpipe_jid) == 0)
+        exec_result = job_exit_status (lastpipe_jid);
+      else if (pipefail_opt)
+        exec_result = exec_result | lstdin;     /* XXX */
+      /* otherwise we use exec_result */
+        
 #endif
       unfreeze_jobs_list ();
     }

externs.h

@@ -324 +324 @@
 extern char *sh_backslash_quote __P((char *, const char *, int));
 extern char *sh_backslash_quote_for_double_quotes __P((char *));
 extern int sh_contains_shell_metas __P((char *));
+extern int sh_contains_quotes __P((char *));
 
 /* declarations for functions defined in lib/sh/spell.c */
 extern int spname __P((char *, char *));

bash-4.3

@@ -3597 +3597 @@
   unwind_protect_int (jobs_list_frozen);
   unwind_protect_pointer (the_pipeline);
   unwind_protect_pointer (subst_assign_varlist);
+  unwind_protect_pointer (this_shell_builtin);
 
   /* We have to add the commands this way because they will be run
      in reverse order of adding.  We don't want maybe_set_sigchld_trap ()
@@ -4374 +4375 @@
 void
 end_job_control ()
 {
-  if (interactive_shell)                /* XXX - should it be interactive? */
+  if (interactive_shell || job_control)         /* XXX - should it be just job_control? */
     {
       terminate_stopped_jobs ();
 

lib/glob/glob.c

@@ -123 +123 @@
 extern char *glob_patscan __P((char *, char *, int));
 extern wchar_t *glob_patscan_wc __P((wchar_t *, wchar_t *, int));
 
+extern char *glob_dirscan __P((char *, int));
+
 /* Compile `glob_loop.c' for single-byte characters. */
 #define CHAR    unsigned char
 #define INT     int
@@ -179 +181 @@
      char *pat, *dname;
      int flags;
 {
-  char *pp, *pe, *t;
-  int n, r;
+  char *pp, *pe, *t, *se;
+  int n, r, negate;
 
+  negate = *pat == '!';
   pp = pat + 2;
-  pe = pp + strlen (pp) - 1;    /*(*/
-  if (*pe != ')')
+  se = pp + strlen (pp) - 1;            /* end of string */
+  pe = glob_patscan (pp, se, 0);        /* end of extglob pattern (( */
+  /* we should check for invalid extglob pattern here */
+  if (pe == 0)
     return 0;
-  if ((t = strchr (pp, '|')) == 0)      /* easy case first */
+
+  /* if pe != se we have more of the pattern at the end of the extglob
+     pattern. Check the easy case first ( */
+  if (pe == se && *pe == ')' && (t = strchr (pp, '|')) == 0)
     {
       *pe = '\0';
+#if defined (HANDLE_MULTIBYTE)
+      r = mbskipname (pp, dname, flags);
+#else
       r = skipname (pp, dname, flags);  /*(*/
+#endif
       *pe = ')';
       return r;
     }
+
+  /* check every subpattern */
   while (t = glob_patscan (pp, pe, '|'))
     {
       n = t[-1];
       t[-1] = '\0';
+#if defined (HANDLE_MULTIBYTE)
+      r = mbskipname (pp, dname, flags);
+#else
       r = skipname (pp, dname, flags);
+#endif
       t[-1] = n;
       if (r == 0)       /* if any pattern says not skip, we don't skip */
         return r;
       pp = t;
     }   /*(*/
 
-  if (pp == pe)         /* glob_patscan might find end of pattern */
+  /* glob_patscan might find end of pattern */
+  if (pp == se)
     return r;
 
-  *pe = '\0';
-#  if defined (HANDLE_MULTIBYTE)
-  r = mbskipname (pp, dname, flags);    /*(*/
-#  else
-  r = skipname (pp, dname, flags);      /*(*/
-#  endif
-  *pe = ')';
-  return r;
+  /* but if it doesn't then we didn't match a leading dot */
+  return 0;
 }
 #endif
 
@@ -277 +290 @@
      int flags;
 {
 #if EXTENDED_GLOB
-  wchar_t *pp, *pe, *t, n;
-  int r;
+  wchar_t *pp, *pe, *t, n, *se;
+  int r, negate;
 
+  negate = *pat == L'!';
   pp = pat + 2;
-  pe = pp + wcslen (pp) - 1;    /*(*/
-  if (*pe != L')')
-    return 0;
-  if ((t = wcschr (pp, L'|')) == 0)
+  se = pp + wcslen (pp) - 1;    /*(*/
+  pe = glob_patscan_wc (pp, se, 0);
+
+  if (pe == se && *pe == ')' && (t = wcschr (pp, L'|')) == 0)
     {
       *pe = L'\0';
       r = wchkname (pp, dname); /*(*/
       *pe = L')';
       return r;
     }
+
+  /* check every subpattern */
   while (t = glob_patscan_wc (pp, pe, '|'))
     {
       n = t[-1];
@@ -305 +321 @@
   if (pp == pe)         /* glob_patscan_wc might find end of pattern */
     return r;
 
-  *pe = L'\0';
-  r = wchkname (pp, dname);     /*(*/
-  *pe = L')';
-  return r;
+  /* but if it doesn't then we didn't match a leading dot */
+  return 0;
 #else
   return (wchkname (pat, dname));
 #endif
@@ -1006 +1020 @@
 {
   char **result;
   unsigned int result_size;
-  char *directory_name, *filename, *dname;
+  char *directory_name, *filename, *dname, *fn;
   unsigned int directory_len;
   int free_dirname;                     /* flag */
   int dflags;
@@ -1022 +1036 @@
 
   /* Find the filename.  */
   filename = strrchr (pathname, '/');
+#if defined (EXTENDED_GLOB)
+  if (filename && extended_glob)
+    {
+      fn = glob_dirscan (pathname, '/');
+#if DEBUG_MATCHING
+      if (fn != filename)
+        fprintf (stderr, "glob_filename: glob_dirscan: fn (%s) != filename (%s)\n", fn ? fn : "(null)", filename);
+#endif
+      filename = fn;
+    }
+#endif
+
   if (filename == NULL)
     {
       filename = pathname;

lib/glob/gmisc.c

@@ -42 +42 @@
 #define WLPAREN         L'('
 #define WRPAREN         L')'
 
+extern char *glob_patscan __P((char *, char *, int));
+
 /* Return 1 of the first character of WSTRING could match the first
    character of pattern WPAT.  Wide character version. */
 int
@@ -210 +212 @@
     case '+':
     case '!':
     case '@':
+    case '?':
       return (pat[1] == LPAREN);
     default:
       return 0;
@@ -374 +377 @@
 
   return matlen;
 }
+
+/* Skip characters in PAT and return the final occurrence of DIRSEP.  This
+   is only called when extended_glob is set, so we have to skip over extglob
+   patterns x(...) */
+char *
+glob_dirscan (pat, dirsep)
+     char *pat;
+     int dirsep;
+{
+  char *p, *d, *pe, *se;
+
+  d = pe = se = 0;
+  for (p = pat; p && *p; p++)
+    {
+      if (extglob_pattern_p (p))
+        {
+          if (se == 0)
+            se = p + strlen (p) - 1;
+          pe = glob_patscan (p + 2, se, 0);
+          if (pe == 0)
+            continue;
+          else if (*pe == 0)
+            break;
+          p = pe - 1;   /* will do increment above */
+          continue;
+        }
+      if (*p ==  dirsep)
+        d = p;
+    }
+  return d;
+}

lib/readline/display.c

@@ -1637 +1637 @@
   /* If we are changing the number of invisible characters in a line, and
      the spot of first difference is before the end of the invisible chars,
      lendiff needs to be adjusted. */
-  if (current_line == 0 && !_rl_horizontal_scroll_mode &&
+  if (current_line == 0 && /* !_rl_horizontal_scroll_mode && */
       current_invis_chars != visible_wrap_offset)
     {
       if (MB_CUR_MAX > 1 && rl_byte_oriented == 0)
@@ -1825 +1825 @@
               else
                 _rl_last_c_pos += bytes_to_insert;
 
+              /* XXX - we only want to do this if we are at the end of the line
+                 so we move there with _rl_move_cursor_relative */
               if (_rl_horizontal_scroll_mode && ((oe-old) > (ne-new)))
-                goto clear_rest_of_line;
+                {
+                  _rl_move_cursor_relative (ne-new, new);
+                  goto clear_rest_of_line;
+                }
             }
         }
       /* Otherwise, print over the existing material. */
@@ -2677 +2682 @@
 {
   if (_rl_echoing_p)
     {
-      _rl_move_vert (_rl_vis_botlin);
+      if (_rl_vis_botlin > 0)   /* minor optimization plus bug fix */
+        _rl_move_vert (_rl_vis_botlin);
       _rl_vis_botlin = 0;
       fflush (rl_outstream);
       rl_restart_output (1, 0);

lib/readline/input.c

@@ -534 +534 @@
         return (RL_ISSTATE (RL_STATE_READCMD) ? READERR : EOF);
       else if (_rl_caught_signal == SIGHUP || _rl_caught_signal == SIGTERM)
         return (RL_ISSTATE (RL_STATE_READCMD) ? READERR : EOF);
+      /* keyboard-generated signals of interest */
       else if (_rl_caught_signal == SIGINT || _rl_caught_signal == SIGQUIT)
         RL_CHECK_SIGNALS ();
+      /* non-keyboard-generated signals of interest */
+      else if (_rl_caught_signal == SIGALRM
+#if defined (SIGVTALRM)
+                || _rl_caught_signal == SIGVTALRM
+#endif
+              )
+        RL_CHECK_SIGNALS ();
 
       if (rl_signal_event_hook)
         (*rl_signal_event_hook) ();

lib/readline/misc.c

@@ -461 +461 @@
             saved_undo_list = 0;
           /* Set up rl_line_buffer and other variables from history entry */
           rl_replace_from_history (entry, 0);   /* entry->line is now current */
+          entry->data = 0;                      /* entry->data is now current undo list */
           /* Undo all changes to this history entry */
           while (rl_undo_list)
             rl_do_undo ();
@@ -468 +469 @@
              the timestamp. */
           FREE (entry->line);
           entry->line = savestring (rl_line_buffer);
-          entry->data = 0;
         }
       entry = previous_history ();
     }

lib/readline/readline.c

@@ -744 +744 @@
     r = _rl_subseq_result (r, cxt->oldmap, cxt->okey, (cxt->flags & KSEQ_SUBSEQ));
 
   RL_CHECK_SIGNALS ();
-  if (r == 0)                   /* success! */
+  /* We only treat values < 0 specially to simulate recursion. */
+  if (r >= 0 || (r == -1 && (cxt->flags & KSEQ_SUBSEQ) == 0))   /* success! or failure! */
     {
       _rl_keyseq_chain_dispose ();
       RL_UNSETSTATE (RL_STATE_MULTIKEY);
@@ -964 +965 @@
 #if defined (VI_MODE)
   if (rl_editing_mode == vi_mode && _rl_keymap == vi_movement_keymap &&
       key != ANYOTHERKEY &&
-      rl_key_sequence_length == 1 &&    /* XXX */
+      _rl_dispatching_keymap == vi_movement_keymap &&
       _rl_vi_textmod_command (key))
     _rl_vi_set_last (key, rl_numeric_arg, rl_arg_sign);
 #endif

lib/readline/readline.c.orig

@@ +1 @@
+/* readline.c -- a general facility for reading lines of input
+   with emacs style editing and completion. */
+
+/* Copyright (C) 1987-2013 Free Software Foundation, Inc.
+
+   This file is part of the GNU Readline Library (Readline), a library
+   for reading lines of text with interactive input and history editing.      
+
+   Readline 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 3 of the License, or
+   (at your option) any later version.
+
+   Readline 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 Readline.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#define READLINE_LIBRARY
+
+#if defined (HAVE_CONFIG_H)
+#  include <config.h>
+#endif
+
+#include <sys/types.h>
+#include "posixstat.h"
+#include <fcntl.h>
+#if defined (HAVE_SYS_FILE_H)
+#  include <sys/file.h>
+#endif /* HAVE_SYS_FILE_H */
+
+#if defined (HAVE_UNISTD_H)
+#  include <unistd.h>
+#endif /* HAVE_UNISTD_H */
+
+#if defined (HAVE_STDLIB_H)
+#  include <stdlib.h>
+#else
+#  include "ansi_stdlib.h"
+#endif /* HAVE_STDLIB_H */
+
+#if defined (HAVE_LOCALE_H)
+#  include <locale.h>
+#endif
+
+#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"
+#include "rlmbutil.h"
+
+#if defined (__EMX__)
+#  define INCL_DOSPROCESS
+#  include <os2.h>
+#endif /* __EMX__ */
+
+/* Some standard library routines. */
+#include "readline.h"
+#include "history.h"
+
+#include "rlprivate.h"
+#include "rlshell.h"
+#include "xmalloc.h"
+
+#ifndef RL_LIBRARY_VERSION
+#  define RL_LIBRARY_VERSION "5.1"
+#endif
+
+#ifndef RL_READLINE_VERSION
+#  define RL_READLINE_VERSION   0x0501
+#endif
+
+extern void _rl_free_history_entry PARAMS((HIST_ENTRY *));
+
+#if defined (COLOR_SUPPORT)
+extern void _rl_parse_colors PARAMS((void));            /* XXX */
+#endif
+
+
+/* Forward declarations used in this file. */
+static char *readline_internal PARAMS((void));
+static void readline_initialize_everything PARAMS((void));
+
+static void bind_arrow_keys_internal PARAMS((Keymap));
+static void bind_arrow_keys PARAMS((void));
+
+static void readline_default_bindings PARAMS((void));
+static void reset_default_bindings PARAMS((void));
+
+static int _rl_subseq_result PARAMS((int, Keymap, int, int));
+static int _rl_subseq_getchar PARAMS((int));
+
+/* **************************************************************** */
+/*                                                                  */
+/*                      Line editing input utility                  */
+/*                                                                  */
+/* **************************************************************** */
+
+const char *rl_library_version = RL_LIBRARY_VERSION;
+
+int rl_readline_version = RL_READLINE_VERSION;
+
+/* True if this is `real' readline as opposed to some stub substitute. */
+int rl_gnu_readline_p = 1;
+
+/* A pointer to the keymap that is currently in use.
+   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;
+
+/* The current insert mode:  input (the default) or overwrite */
+int rl_insert_mode = RL_IM_DEFAULT;
+
+/* Non-zero if we called this function from _rl_dispatch().  It's present
+   so functions can find out whether they were called from a key binding
+   or directly from an application. */
+int rl_dispatching;
+
+/* Non-zero if the previous command was a kill command. */
+int _rl_last_command_was_kill = 0;
+
+/* The current value of the numeric argument specified by the user. */
+int rl_numeric_arg = 1;
+
+/* Non-zero if an argument was typed. */
+int rl_explicit_arg = 0;
+
+/* Temporary value used while generating the argument. */
+int rl_arg_sign = 1;
+
+/* Non-zero means we have been called at least once before. */
+static int rl_initialized;
+
+#if 0
+/* If non-zero, this program is running in an EMACS buffer. */
+static int running_in_emacs;
+#endif
+
+/* Flags word encapsulating the current readline state. */
+int rl_readline_state = RL_STATE_NONE;
+
+/* The current offset in the current input line. */
+int rl_point;
+
+/* Mark in the current input line. */
+int rl_mark;
+
+/* Length of the current input line. */
+int rl_end;
+
+/* Make this non-zero to return the current input_line. */
+int rl_done;
+
+/* The last function executed by readline. */
+rl_command_func_t *rl_last_func = (rl_command_func_t *)NULL;
+
+/* Top level environment for readline_internal (). */
+procenv_t _rl_top_level;
+
+/* The streams we interact with. */
+FILE *_rl_in_stream, *_rl_out_stream;
+
+/* The names of the streams that we do input and output to. */
+FILE *rl_instream = (FILE *)NULL;
+FILE *rl_outstream = (FILE *)NULL;
+
+/* Non-zero means echo characters as they are read.  Defaults to no echo;
+   set to 1 if there is a controlling terminal, we can get its attributes,
+   and the attributes include `echo'.  Look at rltty.c:prepare_terminal_settings
+   for the code that sets it. */
+int _rl_echoing_p = 0;
+
+/* Current prompt. */
+char *rl_prompt = (char *)NULL;
+int rl_visible_prompt_length = 0;
+
+/* Set to non-zero by calling application if it has already printed rl_prompt
+   and does not want readline to do it the first time. */
+int rl_already_prompted = 0;
+
+/* The number of characters read in order to type this complete command. */
+int rl_key_sequence_length = 0;
+
+/* If non-zero, then this is the address of a function to call just
+   before readline_internal_setup () prints the first prompt. */
+rl_hook_func_t *rl_startup_hook = (rl_hook_func_t *)NULL;
+
+/* If non-zero, this is the address of a function to call just before
+   readline_internal_setup () returns and readline_internal starts
+   reading input characters. */
+rl_hook_func_t *rl_pre_input_hook = (rl_hook_func_t *)NULL;
+
+/* What we use internally.  You should always refer to RL_LINE_BUFFER. */
+static char *the_line;
+
+/* The character that can generate an EOF.  Really read from
+   the terminal driver... just defaulted here. */
+int _rl_eof_char = CTRL ('D');
+
+/* Non-zero makes this the next keystroke to read. */
+int rl_pending_input = 0;
+
+/* Pointer to a useful terminal name. */
+const char *rl_terminal_name = (const char *)NULL;
+
+/* Non-zero means to always use horizontal scrolling in line display. */
+int _rl_horizontal_scroll_mode = 0;
+
+/* Non-zero means to display an asterisk at the starts of history lines
+   which have been modified. */
+int _rl_mark_modified_lines = 0;  
+
+/* The style of `bell' notification preferred.  This can be set to NO_BELL,
+   AUDIBLE_BELL, or VISIBLE_BELL. */
+int _rl_bell_preference = AUDIBLE_BELL;
+     
+/* String inserted into the line by rl_insert_comment (). */
+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;
+
+/* Non-zero means to read only this many characters rather than up to a
+   character bound to accept-line. */
+int rl_num_chars_to_read;
+
+/* Line buffer and maintenance. */
+char *rl_line_buffer = (char *)NULL;
+int rl_line_buffer_len = 0;
+
+/* Key sequence `contexts' */
+_rl_keyseq_cxt *_rl_kscxt = 0;
+
+int rl_executing_key;
+char *rl_executing_keyseq = 0;
+int _rl_executing_keyseq_size = 0;
+
+/* Timeout (specified in milliseconds) when reading characters making up an
+   ambiguous multiple-key sequence */
+int _rl_keyseq_timeout = 500;
+
+#define RESIZE_KEYSEQ_BUFFER() \
+  do \
+    { \
+      if (rl_key_sequence_length + 2 >= _rl_executing_keyseq_size) \
+        { \
+          _rl_executing_keyseq_size += 16; \
+          rl_executing_keyseq = xrealloc (rl_executing_keyseq, _rl_executing_keyseq_size); \
+        } \
+    } \
+  while (0);
+        
+/* Forward declarations used by the display, termcap, and history code. */
+
+/* **************************************************************** */
+/*                                                                  */
+/*                      `Forward' declarations                      */
+/*                                                                  */
+/* **************************************************************** */
+
+/* Non-zero means do not parse any lines other than comments and
+   parser directives. */
+unsigned char _rl_parsing_conditionalized_out = 0;
+
+/* Non-zero means to convert characters with the meta bit set to
+   escape-prefixed characters so we can indirect through
+   emacs_meta_keymap or vi_escape_keymap. */
+int _rl_convert_meta_chars_to_ascii = 1;
+
+/* Non-zero means to output characters with the meta bit set directly
+   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;
+
+/* Non-zero means to go through the history list at every newline (or
+   whenever rl_done is set and readline returns) and revert each line to
+   its initial state. */
+int _rl_revert_all_at_newline = 0;
+
+/* Non-zero means to honor the termios ECHOCTL bit and echo control
+   characters corresponding to keyboard-generated signals. */
+int _rl_echo_control_chars = 1;
+
+/* Non-zero means to prefix the displayed prompt with a character indicating
+   the editing mode: @ for emacs, : for vi-command, + for vi-insert. */
+int _rl_show_mode_in_prompt = 0;
+
+/* **************************************************************** */
+/*                                                                  */
+/*                      Top Level Functions                         */
+/*                                                                  */
+/* **************************************************************** */
+
+/* Non-zero means treat 0200 bit in terminal input as Meta bit. */
+int _rl_meta_flag = 0;  /* Forward declaration */
+
+/* Set up the prompt and expand it.  Called from readline() and
+   rl_callback_handler_install (). */
+int
+rl_set_prompt (prompt)
+     const char *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;
+}
+  
+/* Read a line of input.  Prompt with PROMPT.  An empty PROMPT means
+   none.  A return value of NULL means that EOF was encountered. */
+char *
+readline (prompt)
+     const char *prompt;
+{
+  char *value;
+#if 0
+  int in_callback;
+#endif
+
+  /* If we are at EOF return a NULL string. */
+  if (rl_pending_input == EOF)
+    {
+      rl_clear_pending_input ();
+      return ((char *)NULL);
+    }
+
+#if 0
+  /* If readline() is called after installing a callback handler, temporarily
+     turn off the callback state to avoid ensuing messiness.  Patch supplied
+     by the gdb folks.  XXX -- disabled.  This can be fooled and readline
+     left in a strange state by a poorly-timed longjmp. */
+  if (in_callback = RL_ISSTATE (RL_STATE_CALLBACK))
+    RL_UNSETSTATE (RL_STATE_CALLBACK);
+#endif
+
+  rl_set_prompt (prompt);
+
+  rl_initialize ();
+  if (rl_prep_term_function)
+    (*rl_prep_term_function) (_rl_meta_flag);
+
+#if defined (HANDLE_SIGNALS)
+  rl_set_signals ();
+#endif
+
+  value = readline_internal ();
+  if (rl_deprep_term_function)
+    (*rl_deprep_term_function) ();
+
+#if defined (HANDLE_SIGNALS)
+  rl_clear_signals ();
+#endif
+
+#if 0
+  if (in_callback)
+    RL_SETSTATE (RL_STATE_CALLBACK);
+#endif
+
+#if HAVE_DECL_AUDIT_TTY && defined (ENABLE_TTY_AUDIT_SUPPORT)
+  if (value)
+    _rl_audit_tty (value);
+#endif
+
+  return (value);
+}
+
+#if defined (READLINE_CALLBACKS)
+#  define STATIC_CALLBACK
+#else
+#  define STATIC_CALLBACK static
+#endif
+
+STATIC_CALLBACK void
+readline_internal_setup ()
+{
+  char *nprompt;
+
+  _rl_in_stream = rl_instream;
+  _rl_out_stream = rl_outstream;
+
+  /* Enable the meta key only for the duration of readline(), if this
+     terminal has one and the terminal has been initialized */
+  if (_rl_enable_meta & RL_ISSTATE (RL_STATE_TERMPREPPED))
+    _rl_enable_meta_key ();
+
+  if (rl_startup_hook)
+    (*rl_startup_hook) ();
+
+#if defined (VI_MODE)
+  if (rl_editing_mode == vi_mode)
+    rl_vi_insertion_mode (1, 'i');      /* don't want to reset last */
+#endif /* VI_MODE */
+
+  /* If we're not echoing, we still want to at least print a prompt, because
+     rl_redisplay will not do it for us.  If the calling application has a
+     custom redisplay function, though, let that function handle it. */
+  if (_rl_echoing_p == 0 && rl_redisplay_function == rl_redisplay)
+    {
+      if (rl_prompt && rl_already_prompted == 0)
+        {
+          nprompt = _rl_strip_prompt (rl_prompt);
+          fprintf (_rl_out_stream, "%s", nprompt);
+          fflush (_rl_out_stream);
+          xfree (nprompt);
+        }
+    }
+  else
+    {
+      if (rl_prompt && rl_already_prompted)
+        rl_on_new_line_with_prompt ();
+      else
+        rl_on_new_line ();
+      (*rl_redisplay_function) ();
+    }
+
+  if (rl_pre_input_hook)
+    (*rl_pre_input_hook) ();
+
+  RL_CHECK_SIGNALS ();
+}
+
+STATIC_CALLBACK char *
+readline_internal_teardown (eof)
+     int eof;
+{
+  char *temp;
+  HIST_ENTRY *entry;
+
+  RL_CHECK_SIGNALS ();
+
+  /* Restore the original of this history line, iff the line that we
+     are editing was originally in the history, AND the line has changed. */
+  entry = current_history ();
+
+  if (entry && rl_undo_list)
+    {
+      temp = savestring (the_line);
+      rl_revert_line (1, 0);
+      entry = replace_history_entry (where_history (), the_line, (histdata_t)NULL);
+      _rl_free_history_entry (entry);
+
+      strcpy (the_line, temp);
+      xfree (temp);
+    }
+
+  if (_rl_revert_all_at_newline)
+    _rl_revert_all_lines ();
+
+  /* At any rate, it is highly likely that this line has an undo list.  Get
+     rid of it now. */
+  if (rl_undo_list)
+    rl_free_undo_list ();
+
+  /* Disable the meta key, if this terminal has one and we were told to use it.
+     The check whether or not we sent the enable string is in
+     _rl_disable_meta_key(); the flag is set in _rl_enable_meta_key */
+  _rl_disable_meta_key ();
+
+  /* Restore normal cursor, if available. */
+  _rl_set_insert_mode (RL_IM_INSERT, 0);
+
+  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 ()
+#else
+readline_internal_charloop ()
+#endif
+{
+  static int lastc, eof_found;
+  int c, code, lk;
+
+  lastc = -1;
+  eof_found = 0;
+
+#if !defined (READLINE_CALLBACKS)
+  while (rl_done == 0)
+    {
+#endif
+      lk = _rl_last_command_was_kill;
+
+#if defined (HAVE_POSIX_SIGSETJMP)
+      code = sigsetjmp (_rl_top_level, 0);
+#else
+      code = setjmp (_rl_top_level);
+#endif
+
+      if (code)
+        {
+          (*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
+             _rl_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_reset_argument ();
+          rl_key_sequence_length = 0;
+          rl_executing_keyseq[0] = 0;
+        }
+
+      RL_SETSTATE(RL_STATE_READCMD);
+      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; assume that rl_read_key has already called the signal
+         handler. */
+      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 we want to change this,
+         to force any existing line to be ignored when read(2) reads EOF,
+         for example, this is the place to change. */
+      if (c == EOF && rl_end)
+        c = NEWLINE;
+
+      /* The character _rl_eof_char typed to blank line, and not as the
+         previous character is interpreted as EOF. */
+      if (((c == _rl_eof_char && lastc != c) || c == EOF) && !rl_end)
+        {
+#if defined (READLINE_CALLBACKS)
+          RL_SETSTATE(RL_STATE_DONE);
+          return (rl_done = 1);
+#else
+          eof_found = 1;
+          break;
+#endif
+        }
+
+      lastc = c;
+      _rl_dispatch ((unsigned char)c, _rl_keymap);
+      RL_CHECK_SIGNALS ();
+
+      /* If there was no change in _rl_last_command_was_kill, then no kill
+         has taken place.  Note that if input is pending we are reading
+         a prefix command, so nothing has changed yet. */
+      if (rl_pending_input == 0 && lk == _rl_last_command_was_kill)
+        _rl_last_command_was_kill = 0;
+
+      _rl_internal_char_cleanup ();
+
+#if defined (READLINE_CALLBACKS)
+      return 0;
+#else
+    }
+
+  return (eof_found);
+#endif
+}
+
+#if defined (READLINE_CALLBACKS)
+static int
+readline_internal_charloop ()
+{
+  int eof = 1;
+
+  while (rl_done == 0)
+    eof = readline_internal_char ();
+  return (eof);
+}
+#endif /* READLINE_CALLBACKS */
+
+/* Read a line of input from the global rl_instream, doing output on
+   the global rl_outstream.
+   If rl_prompt is non-null, then that is our prompt. */
+static char *
+readline_internal ()
+{
+  int eof;
+
+  readline_internal_setup ();
+  eof = readline_internal_charloop ();
+  return (readline_internal_teardown (eof));
+}
+
+void
+_rl_init_line_state ()
+{
+  rl_point = rl_end = rl_mark = 0;
+  the_line = rl_line_buffer;
+  the_line[0] = 0;
+}
+
+void
+_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;
+{
+  xfree (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 */
+  /* 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);
+      if (nkey < 0)
+        {
+          _rl_abort_internal ();
+          return -1;
+        }
+      r = _rl_dispatch_subseq (nkey, cxt->dmap, cxt->subseq_arg);
+      cxt->flags |= KSEQ_DISPATCHED;
+    }
+  else
+    r = cxt->childval;
+
+  /* For now */
+  if (r != -3)  /* don't do this if we indicate there will be other matches */
+    r = _rl_subseq_result (r, cxt->oldmap, cxt->okey, (cxt->flags & KSEQ_SUBSEQ));
+
+  RL_CHECK_SIGNALS ();
+  /* We only treat values < 0 specially to simulate recursion. */
+  if (r >= 0 || (r == -1 && (cxt->flags & KSEQ_SUBSEQ) == 0))   /* success! or failure! */
+    {
+      _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. */
+int
+_rl_dispatch (key, map)
+     register int key;
+     Keymap map;
+{
+  _rl_dispatching_keymap = map;
+  return _rl_dispatch_subseq (key, map, 0);
+}
+
+int
+_rl_dispatch_subseq (key, map, got_subseq)
+     register int key;
+     Keymap map;
+     int 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)
+    {
+      if (map[ESC].type == ISKMAP)
+        {
+          if (RL_ISSTATE (RL_STATE_MACRODEF))
+            _rl_add_macro_char (ESC);
+          RESIZE_KEYSEQ_BUFFER ();
+          rl_executing_keyseq[rl_key_sequence_length++] = ESC;
+          map = FUNCTION_TO_KEYMAP (map, ESC);
+          key = UNMETA (key);
+          return (_rl_dispatch (key, map));
+        }
+      else
+        rl_ding ();
+      return 0;
+    }
+
+  if (RL_ISSTATE (RL_STATE_MACRODEF))
+    _rl_add_macro_char (key);
+
+  r = 0;
+  switch (map[key].type)
+    {
+    case ISFUNC:
+      func = map[key].function;
+      if (func)
+        {
+          /* Special case rl_do_lowercase_version (). */
+          if (func == rl_do_lowercase_version)
+            /* Should we do anything special if key == ANYOTHERKEY? */
+            return (_rl_dispatch (_rl_to_lower (key), map));
+
+          rl_executing_keymap = map;
+          rl_executing_key = key;
+
+          RESIZE_KEYSEQ_BUFFER();
+          rl_executing_keyseq[rl_key_sequence_length++] = key;
+          rl_executing_keyseq[rl_key_sequence_length] = '\0';
+
+          rl_dispatching = 1;
+          RL_SETSTATE(RL_STATE_DISPATCHING);
+          r = (*func) (rl_numeric_arg * rl_arg_sign, key);
+          RL_UNSETSTATE(RL_STATE_DISPATCHING);
+          rl_dispatching = 0;
+
+          /* If we have input pending, then the last command was a prefix
+             command.  Don't change the state of rl_last_func.  Otherwise,
+             remember the last command executed in this variable. */
+          if (rl_pending_input == 0 && map[key].function != rl_digit_argument)
+            rl_last_func = map[key].function;
+
+          RL_CHECK_SIGNALS ();
+        }
+      else if (map[ANYOTHERKEY].function)
+        {
+          /* OK, there's no function bound in this map, but there is a
+             shadow function that was overridden when the current keymap
+             was created.  Return -2 to note  that. */
+          if (RL_ISSTATE (RL_STATE_MACROINPUT))
+            _rl_prev_macro_key ();
+          else
+            _rl_unget_char  (key);
+          return -2;
+        }
+      else if (got_subseq)
+        {
+          /* Return -1 to note that we're in a subsequence, but  we don't
+             have a matching key, nor was one overridden.  This means
+             we need to back up the recursion chain and find the last
+             subsequence that is bound to a function. */
+          if (RL_ISSTATE (RL_STATE_MACROINPUT))
+            _rl_prev_macro_key ();
+          else
+            _rl_unget_char (key);
+          return -1;
+        }
+      else
+        {
+#if defined (READLINE_CALLBACKS)
+          RL_UNSETSTATE (RL_STATE_MULTIKEY);
+          _rl_keyseq_chain_dispose ();
+#endif
+          _rl_abort_internal ();
+          return -1;
+        }
+      break;
+
+    case ISKMAP:
+      if (map[key].function != 0)
+        {
+#if defined (VI_MODE)
+          /* The only way this test will be true is if a subsequence has been
+             bound starting with ESC, generally the arrow keys.  What we do is
+             check whether there's input in the queue, which there generally
+             will be if an arrow key has been pressed, and, if there's not,
+             just dispatch to (what we assume is) rl_vi_movement_mode right
+             away.  This is essentially an input test with a zero timeout (by
+             default) or a timeout determined by the value of `keyseq-timeout' */
+          /* _rl_keyseq_timeout specified in milliseconds; _rl_input_queued
+             takes microseconds, so multiply by 1000 */
+          if (rl_editing_mode == vi_mode && key == ESC && map == vi_insertion_keymap
+              && _rl_input_queued ((_rl_keyseq_timeout > 0) ? _rl_keyseq_timeout*1000 : 0) == 0)
+            return (_rl_dispatch (ANYOTHERKEY, FUNCTION_TO_KEYMAP (map, key)));
+#endif
+
+          RESIZE_KEYSEQ_BUFFER ();
+          rl_executing_keyseq[rl_key_sequence_length++] = key;
+          _rl_dispatching_keymap = FUNCTION_TO_KEYMAP (map, key);
+
+          /* 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
+
+          /* Tentative inter-character timeout for potential multi-key
+             sequences?  If no input within timeout, abort sequence and
+             act as if we got non-matching input. */
+          /* _rl_keyseq_timeout specified in milliseconds; _rl_input_queued
+             takes microseconds, so multiply by 1000 */
+          if (_rl_keyseq_timeout > 0 &&
+                (RL_ISSTATE (RL_STATE_INPUTPENDING|RL_STATE_MACROINPUT) == 0) &&
+                _rl_pushed_input_available () == 0 &&
+                _rl_dispatching_keymap[ANYOTHERKEY].function &&
+                _rl_input_queued (_rl_keyseq_timeout*1000) == 0)
+            return (_rl_subseq_result (-2, map, key, got_subseq));
+
+          newkey = _rl_subseq_getchar (key);
+          if (newkey < 0)
+            {
+              _rl_abort_internal ();
+              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
+        {
+          _rl_abort_internal ();
+          return -1;
+        }
+      break;
+
+    case ISMACR:
+      if (map[key].function != 0)
+        {
+          rl_executing_keyseq[rl_key_sequence_length] = '\0';
+          macro = savestring ((char *)map[key].function);
+          _rl_with_macro_input (macro);
+          return 0;
+        }
+      break;
+    }
+#if defined (VI_MODE)
+  if (rl_editing_mode == vi_mode && _rl_keymap == vi_movement_keymap &&
+      key != ANYOTHERKEY &&
+      rl_key_sequence_length == 1 &&    /* XXX */
+      _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. */
+      if (RL_ISSTATE (RL_STATE_MACROINPUT))
+        _rl_prev_macro_key ();
+      else
+        _rl_unget_char (key);
+      _rl_dispatching_keymap = map;
+      return -2;
+    }
+  else if (r && got_subseq)
+    {
+      /* OK, back up the chain. */
+      if (RL_ISSTATE (RL_STATE_MACROINPUT))
+        _rl_prev_macro_key ();
+      else
+        _rl_unget_char (key);
+      _rl_dispatching_keymap = map;
+      return -1;
+    }
+
+  return r;
+}
+
+/* **************************************************************** */
+/*                                                                  */
+/*                      Initializations                             */
+/*                                                                  */
+/* **************************************************************** */
+
+/* Initialize readline (and terminal if not already). */
+int
+rl_initialize ()
+{
+  /* If we have never been called before, initialize the
+     terminal and data structures. */
+  if (!rl_initialized)
+    {
+      RL_SETSTATE(RL_STATE_INITIALIZING);
+      readline_initialize_everything ();
+      RL_UNSETSTATE(RL_STATE_INITIALIZING);
+      rl_initialized++;
+      RL_SETSTATE(RL_STATE_INITIALIZED);
+    }
+
+  /* Initialize the current line information. */
+  _rl_init_line_state ();
+
+  /* We aren't done yet.  We haven't even gotten started yet! */
+  rl_done = 0;
+  RL_UNSETSTATE(RL_STATE_DONE);
+
+  /* Tell the history routines what is going on. */
+  _rl_start_using_history ();
+
+  /* Make the display buffer match the state of the line. */
+  rl_reset_line_state ();
+
+  /* No such function typed yet. */
+  rl_last_func = (rl_command_func_t *)NULL;
+
+  /* Parsing of key-bindings begins in an enabled state. */
+  _rl_parsing_conditionalized_out = 0;
+
+#if defined (VI_MODE)
+  if (rl_editing_mode == vi_mode)
+    _rl_vi_initialize_line ();
+#endif
+
+  /* Each line starts in insert mode (the default). */
+  _rl_set_insert_mode (RL_IM_DEFAULT, 1);
+
+  return 0;
+}
+
+#if 0
+#if defined (__EMX__)
+static void
+_emx_build_environ ()
+{
+  TIB *tibp;
+  PIB *pibp;
+  char *t, **tp;
+  int c;
+
+  DosGetInfoBlocks (&tibp, &pibp);
+  t = pibp->pib_pchenv;
+  for (c = 1; *t; c++)
+    t += strlen (t) + 1;
+  tp = environ = (char **)xmalloc ((c + 1) * sizeof (char *));
+  t = pibp->pib_pchenv;
+  while (*t)
+    {
+      *tp++ = t;
+      t += strlen (t) + 1;
+    }
+  *tp = 0;
+}
+#endif /* __EMX__ */
+#endif
+
+/* Initialize the entire state of the world. */
+static void
+readline_initialize_everything ()
+{
+#if 0
+#if defined (__EMX__)
+  if (environ == 0)
+    _emx_build_environ ();
+#endif
+#endif
+
+#if 0
+  /* Find out if we are running in Emacs -- UNUSED. */
+  running_in_emacs = sh_get_env_value ("EMACS") != (char *)0;
+#endif
+
+  /* Set up input and output if they are not already set up. */
+  if (!rl_instream)
+    rl_instream = stdin;
+
+  if (!rl_outstream)
+    rl_outstream = stdout;
+
+  /* Bind _rl_in_stream and _rl_out_stream immediately.  These values
+     may change, but they may also be used before readline_internal ()
+     is called. */
+  _rl_in_stream = rl_instream;
+  _rl_out_stream = rl_outstream;
+
+  /* Allocate data structures. */
+  if (rl_line_buffer == 0)
+    rl_line_buffer = (char *)xmalloc (rl_line_buffer_len = DEFAULT_BUFFER_SIZE);
+
+  /* Initialize the terminal interface. */
+  if (rl_terminal_name == 0)
+    rl_terminal_name = sh_get_env_value ("TERM");
+  _rl_init_terminal_io (rl_terminal_name);
+
+  /* Bind tty characters to readline functions. */
+  readline_default_bindings ();
+
+  /* Initialize the function names. */
+  rl_initialize_funmap ();
+
+  /* Decide whether we should automatically go into eight-bit mode. */
+  _rl_init_eightbit ();
+      
+  /* Read in the init file. */
+  rl_read_init_file ((char *)NULL);
+
+  /* XXX */
+  if (_rl_horizontal_scroll_mode && _rl_term_autowrap)
+    {
+      _rl_screenwidth--;
+      _rl_screenchars -= _rl_screenheight;
+    }
+
+  /* Override the effect of any `set keymap' assignments in the
+     inputrc file. */
+  rl_set_keymap_from_edit_mode ();
+
+  /* Try to bind a common arrow key prefix, if not already bound. */
+  bind_arrow_keys ();
+
+  /* If the completion parser's default word break characters haven't
+     been set yet, then do so now. */
+  if (rl_completer_word_break_characters == (char *)NULL)
+    rl_completer_word_break_characters = (char *)rl_basic_word_break_characters;
+
+#if defined (COLOR_SUPPORT)
+  if (_rl_colored_stats)
+    _rl_parse_colors ();
+#endif
+
+  rl_executing_keyseq = malloc (_rl_executing_keyseq_size = 16);
+  if (rl_executing_keyseq)
+    rl_executing_keyseq[0] = '\0';
+}
+
+/* If this system allows us to look at the values of the regular
+   input editing characters, then bind them to their readline
+   equivalents, iff the characters are not bound to keymaps. */
+static void
+readline_default_bindings ()
+{
+  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. */
+static void
+reset_default_bindings ()
+{
+  if (_rl_bind_stty_chars)
+    {
+      rl_tty_unset_default_bindings (_rl_keymap);
+      rl_tty_set_default_bindings (_rl_keymap);
+    }
+}
+
+/* Bind some common arrow key sequences in MAP. */
+static void
+bind_arrow_keys_internal (map)
+     Keymap map;
+{
+  Keymap xkeymap;
+
+  xkeymap = _rl_keymap;
+  _rl_keymap = map;
+
+#if defined (__MSDOS__)
+  rl_bind_keyseq_if_unbound ("\033[0A", rl_get_previous_history);
+  rl_bind_keyseq_if_unbound ("\033[0B", rl_backward_char);
+  rl_bind_keyseq_if_unbound ("\033[0C", rl_forward_char);
+  rl_bind_keyseq_if_unbound ("\033[0D", rl_get_next_history);
+#endif
+
+  rl_bind_keyseq_if_unbound ("\033[A", rl_get_previous_history);
+  rl_bind_keyseq_if_unbound ("\033[B", rl_get_next_history);
+  rl_bind_keyseq_if_unbound ("\033[C", rl_forward_char);
+  rl_bind_keyseq_if_unbound ("\033[D", rl_backward_char);
+  rl_bind_keyseq_if_unbound ("\033[H", rl_beg_of_line);
+  rl_bind_keyseq_if_unbound ("\033[F", rl_end_of_line);
+
+  rl_bind_keyseq_if_unbound ("\033OA", rl_get_previous_history);
+  rl_bind_keyseq_if_unbound ("\033OB", rl_get_next_history);
+  rl_bind_keyseq_if_unbound ("\033OC", rl_forward_char);
+  rl_bind_keyseq_if_unbound ("\033OD", rl_backward_char);
+  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);
+  rl_bind_keyseq_if_unbound ("\340G", rl_beg_of_line);
+  rl_bind_keyseq_if_unbound ("\340O", rl_end_of_line);
+  rl_bind_keyseq_if_unbound ("\340S", rl_delete);
+  rl_bind_keyseq_if_unbound ("\340R", rl_overwrite_mode);
+
+  /* These may or may not work because of the embedded NUL. */
+  rl_bind_keyseq_if_unbound ("\\000H", rl_get_previous_history);
+  rl_bind_keyseq_if_unbound ("\\000P", rl_get_next_history);
+  rl_bind_keyseq_if_unbound ("\\000M", rl_forward_char);
+  rl_bind_keyseq_if_unbound ("\\000K", rl_backward_char);
+  rl_bind_keyseq_if_unbound ("\\000G", rl_beg_of_line);
+  rl_bind_keyseq_if_unbound ("\\000O", rl_end_of_line);
+  rl_bind_keyseq_if_unbound ("\\000S", rl_delete);
+  rl_bind_keyseq_if_unbound ("\\000R", rl_overwrite_mode);
+#endif
+
+  _rl_keymap = xkeymap;
+}
+
+/* Try and bind the common arrow key prefixes after giving termcap and
+   the inputrc file a chance to bind them and create `real' keymaps
+   for the arrow key prefix. */
+static void
+bind_arrow_keys ()
+{
+  bind_arrow_keys_internal (emacs_standard_keymap);
+
+#if defined (VI_MODE)
+  bind_arrow_keys_internal (vi_movement_keymap);
+  /* Unbind vi_movement_keymap[ESC] to allow users to repeatedly hit ESC
+     in vi command mode while still allowing the arrow keys to work. */
+  if (vi_movement_keymap[ESC].type == ISKMAP)
+    rl_bind_keyseq_in_map ("\033", (rl_command_func_t *)NULL, vi_movement_keymap);
+  bind_arrow_keys_internal (vi_insertion_keymap);
+#endif
+}
+
+/* **************************************************************** */
+/*                                                                  */
+/*              Saving and Restoring Readline's state               */
+/*                                                                  */
+/* **************************************************************** */
+
+int
+rl_save_state (sp)
+     struct readline_state *sp;
+{
+  if (sp == 0)
+    return -1;
+
+  sp->point = rl_point;
+  sp->end = rl_end;
+  sp->mark = rl_mark;
+  sp->buffer = rl_line_buffer;
+  sp->buflen = rl_line_buffer_len;
+  sp->ul = rl_undo_list;
+  sp->prompt = rl_prompt;
+
+  sp->rlstate = rl_readline_state;
+  sp->done = rl_done;
+  sp->kmap = _rl_keymap;
+
+  sp->lastfunc = rl_last_func;
+  sp->insmode = rl_insert_mode;
+  sp->edmode = rl_editing_mode;
+  sp->kseqlen = rl_key_sequence_length;
+  sp->inf = rl_instream;
+  sp->outf = rl_outstream;
+  sp->pendingin = rl_pending_input;
+  sp->macro = rl_executing_macro;
+
+  sp->catchsigs = rl_catch_signals;
+  sp->catchsigwinch = rl_catch_sigwinch;
+
+  return (0);
+}
+
+int
+rl_restore_state (sp)
+     struct readline_state *sp;
+{
+  if (sp == 0)
+    return -1;
+
+  rl_point = sp->point;
+  rl_end = sp->end;
+  rl_mark = sp->mark;
+  the_line = rl_line_buffer = sp->buffer;
+  rl_line_buffer_len = sp->buflen;
+  rl_undo_list = sp->ul;
+  rl_prompt = sp->prompt;
+
+  rl_readline_state = sp->rlstate;
+  rl_done = sp->done;
+  _rl_keymap = sp->kmap;
+
+  rl_last_func = sp->lastfunc;
+  rl_insert_mode = sp->insmode;
+  rl_editing_mode = sp->edmode;
+  rl_key_sequence_length = sp->kseqlen;
+  rl_instream = sp->inf;
+  rl_outstream = sp->outf;
+  rl_pending_input = sp->pendingin;
+  rl_executing_macro = sp->macro;
+
+  rl_catch_signals = sp->catchsigs;
+  rl_catch_sigwinch = sp->catchsigwinch;
+
+  return (0);
+}

lib/sh/shquote.c

@@ -311 +311 @@
 
   return (0);
 }
+
+int
+sh_contains_quotes (string)
+     char *string;
+{
+  char *s;
+
+  for (s = string; s && *s; s++)
+    {
+      if (*s == '\'' || *s == '"' || *s == '\\')
+        return 1;
+    }
+  return 0;
+}

make_cmd.c

@@ -692 +692 @@
   /* First do the common cases. */
   temp->redirector = source;
   temp->redirectee = dest_and_filename;
+  temp->here_doc_eof = 0;
   temp->instruction = instruction;
   temp->flags = 0;
   temp->rflags = flags;

parse.y

@@ -168 +168 @@
 
 static int reserved_word_acceptable __P((int));
 static int yylex __P((void));
+
+static void push_heredoc __P((REDIRECT *));
+static char *mk_alexpansion __P((char *));
 static int alias_expand_token __P((char *));
 static int time_command_acceptable __P((void));
 static int special_case_tokens __P((char *));
@@ -265 +268 @@
 
 /* Variables to manage the task of reading here documents, because we need to
    defer the reading until after a complete command has been collected. */
-static REDIRECT *redir_stack[10];
+#define HEREDOC_MAX 16
+
+static REDIRECT *redir_stack[HEREDOC_MAX];
 int need_here_doc;
 
 /* Where shell input comes from.  History expansion is performed on each
@@ -307 +312 @@
    or `for WORD' begins.  This is a nested command maximum, since the array
    index is decremented after a case, select, or for command is parsed. */
 #define MAX_CASE_NEST   128
-static int word_lineno[MAX_CASE_NEST];
+static int word_lineno[MAX_CASE_NEST+1];
 static int word_top = -1;
 
 /* If non-zero, it is the token that we want read_token to return
@@ -520 +525 @@
                           source.dest = 0;
                           redir.filename = $2;
                           $$ = make_redirection (source, r_reading_until, redir, 0);
-                          redir_stack[need_here_doc++] = $$;
+                          push_heredoc ($$);
                         }
         |       NUMBER LESS_LESS WORD
                         {
                           source.dest = $1;
                           redir.filename = $3;
                           $$ = make_redirection (source, r_reading_until, redir, 0);
-                          redir_stack[need_here_doc++] = $$;
+                          push_heredoc ($$);
                         }
         |       REDIR_WORD LESS_LESS WORD
                         {
                           source.filename = $1;
                           redir.filename = $3;
                           $$ = make_redirection (source, r_reading_until, redir, REDIR_VARASSIGN);
-                          redir_stack[need_here_doc++] = $$;
+                          push_heredoc ($$);
                         }
         |       LESS_LESS_MINUS WORD
                         {
                           source.dest = 0;
                           redir.filename = $2;
                           $$ = make_redirection (source, r_deblank_reading_until, redir, 0);
-                          redir_stack[need_here_doc++] = $$;
+                          push_heredoc ($$);
                         }
         |       NUMBER LESS_LESS_MINUS WORD
                         {
                           source.dest = $1;
                           redir.filename = $3;
                           $$ = make_redirection (source, r_deblank_reading_until, redir, 0);
-                          redir_stack[need_here_doc++] = $$;
+                          push_heredoc ($$);
                         }
         |       REDIR_WORD  LESS_LESS_MINUS WORD
                         {
                           source.filename = $1;
                           redir.filename = $3;
                           $$ = make_redirection (source, r_deblank_reading_until, redir, REDIR_VARASSIGN);
-                          redir_stack[need_here_doc++] = $$;
+                          push_heredoc ($$);
                         }
         |       LESS_LESS_LESS WORD
                         {
@@ -2424 +2429 @@
          not already end in an EOF character.  */
       if (shell_input_line_terminator != EOF)
         {
-          if (shell_input_line_size < SIZE_MAX && shell_input_line_len > shell_input_line_size - 3)
+          if (shell_input_line_size < SIZE_MAX-3 && (shell_input_line_len+3 > shell_input_line_size))
             shell_input_line = (char *)xrealloc (shell_input_line,
                                         1 + (shell_input_line_size += 2));
 
@@ -2533 +2538 @@
     eol_ungetc_lookahead = c;
 }
 
+char *
+parser_remaining_input ()
+{
+  if (shell_input_line == 0)
+    return 0;
+  if (shell_input_line_index < 0 || shell_input_line_index >= shell_input_line_len)
+    return '\0';        /* XXX */
+  return (shell_input_line + shell_input_line_index);
+}
+
 #ifdef INCLUDE_UNUSED
 /* Back the input pointer up by one, effectively `ungetting' a character. */
 static void
@@ -2636 +2651 @@
    which allow ESAC to be the next one read. */
 static int esacs_needed_count;
 
+static void
+push_heredoc (r)
+     REDIRECT *r;
+{
+  if (need_here_doc >= HEREDOC_MAX)
+    {
+      last_command_exit_value = EX_BADUSAGE;
+      need_here_doc = 0;
+      report_syntax_error (_("maximum here-document count exceeded"));
+      reset_parser ();
+      exit_shell (last_command_exit_value);
+    }
+  redir_stack[need_here_doc++] = r;
+}
+
 void
 gather_here_documents ()
 {
   int r;
 
   r = 0;
-  while (need_here_doc)
+  while (need_here_doc > 0)
     {
       parser_state |= PST_HEREDOC;
       make_here_document (redir_stack[r++], line_number);
@@ -2953 +2983 @@
   FREE (word_desc_to_read);
   word_desc_to_read = (WORD_DESC *)NULL;
 
+  eol_ungetc_lookahead = 0;
+
   current_token = '\n';         /* XXX */
   last_read_token = '\n';
   token_to_read = '\n';
@@ -3398 +3430 @@
          within a double-quoted ${...} construct "an even number of
          unescaped double-quotes or single-quotes, if any, shall occur." */
       /* This was changed in Austin Group Interp 221 */
-      if MBTEST(posixly_correct && shell_compatibility_level > 41 && dolbrace_state != DOLBRACE_QUOTE && (flags & P_DQUOTE) && (flags & P_DOLBRACE) && ch == '\'')
+      if MBTEST(posixly_correct && shell_compatibility_level > 41 && dolbrace_state != DOLBRACE_QUOTE && dolbrace_state != DOLBRACE_QUOTE2 && (flags & P_DQUOTE) && (flags & P_DOLBRACE) && ch == '\'')
         continue;
 
       /* Could also check open == '`' if we want to parse grouping constructs
@@ -4005 +4037 @@
   reset_parser ();
   /* reset_parser clears shell_input_line and associated variables */
   restore_input_line_state (&ls);
-  if (interactive)
-    token_to_read = 0;
+
+  token_to_read = 0;
 
   /* Need to find how many characters parse_and_execute consumed, update
      *indp, if flags != 0, copy the portion of the string parsed into RET
@@ -6075 +6107 @@
 
   ps->expand_aliases = expand_aliases;
   ps->echo_input_at_read = echo_input_at_read;
+  ps->need_here_doc = need_here_doc;
 
   ps->token = token;
   ps->token_buffer_size = token_buffer_size;
@@ -6123 +6156 @@
 
   expand_aliases = ps->expand_aliases;
   echo_input_at_read = ps->echo_input_at_read;
+  need_here_doc = ps->need_here_doc;
 
   FREE (token);
   token = ps->token;

patchlevel.h

@@ -25 +25 @@
    regexp `^#define[    ]*PATCHLEVEL', since that's what support/mkversion.sh
    looks for to find the patch level (for the sccs version string). */
 
-#define PATCHLEVEL 0
+#define PATCHLEVEL 30
 
 #endif /* _PATCHLEVEL_H_ */

pcomplete.c

@@ -183 +183 @@
 
 COMPSPEC *pcomp_curcs;
 const char *pcomp_curcmd;
+const char *pcomp_curtxt;
 
 #ifdef DEBUG
 /* Debugging code */
@@ -753 +754 @@
              quoted strings. */
           dfn = (*rl_filename_dequoting_function) ((char *)text, rl_completion_quote_character);
         }
+      /* Intended to solve a mismatched assumption by bash-completion.  If
+         the text to be completed is empty, but bash-completion turns it into
+         a quoted string ('') assuming that this code will dequote it before
+         calling readline, do the dequoting. */
+      else if (iscompgen && iscompleting &&
+               pcomp_curtxt && *pcomp_curtxt == 0 &&
+               text && (*text == '\'' || *text == '"') && text[1] == text[0] && text[2] == 0 && 
+               rl_filename_dequoting_function)
+        dfn = (*rl_filename_dequoting_function) ((char *)text, rl_completion_quote_character);
+      /* Another mismatched assumption by bash-completion.  If compgen is being
+         run as part of bash-completion, and the argument to compgen is not
+         the same as the word originally passed to the programmable completion
+         code, dequote the argument if it has quote characters.  It's an
+         attempt to detect when bash-completion is quoting its filename
+         argument before calling compgen. */
+      /* We could check whether gen_shell_function_matches is in the call
+         stack by checking whether the gen-shell-function-matches tag is in
+         the unwind-protect stack, but there's no function to do that yet.
+         We could simply check whether we're executing in a function by
+         checking variable_context, and may end up doing that. */
+      else if (iscompgen && iscompleting && rl_filename_dequoting_function &&
+               pcomp_curtxt && text &&
+               STREQ (pcomp_curtxt, text) == 0 &&
+               variable_context &&
+               sh_contains_quotes (text))       /* guess */
+        dfn = (*rl_filename_dequoting_function) ((char *)text, rl_completion_quote_character);
       else
         dfn = savestring (text);
     }
@@ -1522 +1549 @@
      COMPSPEC **lastcs;
 {
   COMPSPEC *cs, *oldcs;
-  const char *oldcmd;
+  const char *oldcmd, *oldtxt;
   STRINGLIST *ret;
 
   cs = progcomp_search (ocmd);
@@ -1545 +1572 @@
 
   oldcs = pcomp_curcs;
   oldcmd = pcomp_curcmd;
+  oldtxt = pcomp_curtxt;
 
   pcomp_curcs = cs;
   pcomp_curcmd = cmd;
+  pcomp_curtxt = word;
 
   ret = gen_compspec_completions (cs, cmd, word, start, end, foundp);
 
   pcomp_curcs = oldcs;
   pcomp_curcmd = oldcmd;
+  pcomp_curtxt = oldtxt;
 
   /* We need to conditionally handle setting *retryp here */
   if (retryp)

shell.h

@@ -168 +168 @@
   /* flags state affecting the parser */
   int expand_aliases;
   int echo_input_at_read;
-  
+  int need_here_doc;
+
 } sh_parser_state_t;
 
 typedef struct _sh_input_line_state_t {
@@ -179 +180 @@
 } sh_input_line_state_t;
 
 /* Let's try declaring these here. */
+extern char *parser_remaining_input __P((void));
+
 extern sh_parser_state_t *save_parser_state __P((sh_parser_state_t *));
 extern void restore_parser_state __P((sh_parser_state_t *));
 

subst.c

@@ -1192 +1192 @@
    Start extracting at (SINDEX) as if we had just seen "<(".
    Make (SINDEX) get the position of the matching ")". */ /*))*/
 char *
-extract_process_subst (string, starter, sindex)
+extract_process_subst (string, starter, sindex, xflags)
      char *string;
      char *starter;
      int *sindex;
+     int xflags;
 {
+#if 0
   return (extract_delimited_string (string, sindex, starter, "(", ")", SX_COMMAND));
+#else
+  xflags |= (no_longjmp_on_fatal_error ? SX_NOLONGJMP : 0);
+  return (xparse_dolparen (string, string+*sindex, sindex, xflags));
+#endif
 }
 #endif /* PROCESS_SUBSTITUTION */
 
@@ -1785 +1791 @@
           si = i + 2;
           if (string[si] == '\0')
             CQ_RETURN(si);
-          temp = extract_process_subst (string, (c == '<') ? "<(" : ">(", &si);
+          temp = extract_process_subst (string, (c == '<') ? "<(" : ">(", &si, 0);
           free (temp);          /* no SX_ALLOC here */
           i = si;
           if (string[i] == '\0')
@@ -3248 +3254 @@
   if (w->word == 0 || w->word[0] == '\0')
     return ((char *)NULL);
 
+  expand_no_split_dollar_star = 1;
   w->flags |= W_NOSPLIT2;
   l = call_expand_word_internal (w, 0, 0, (int *)0, (int *)0);
+  expand_no_split_dollar_star = 0;
   if (l)
     {
       if (special == 0)                 /* LHS */
@@ -7366 +7374 @@
     }
 
   if (want_indir)
-    tdesc = parameter_brace_expand_indir (name + 1, var_is_special, quoted, quoted_dollar_atp, contains_dollar_at);
+    {
+      tdesc = parameter_brace_expand_indir (name + 1, var_is_special, quoted, quoted_dollar_atp, contains_dollar_at);
+      /* Turn off the W_ARRAYIND flag because there is no way for this function
+         to return the index we're supposed to be using. */
+      if (tdesc && tdesc->flags)
+        tdesc->flags &= ~W_ARRAYIND;
+    }
   else
     tdesc = parameter_brace_expand_word (name, var_is_special, quoted, PF_IGNUNBOUND|(pflags&(PF_NOSPLIT2|PF_ASSIGNRHS)), &ind);
 
@@ -7847 +7861 @@
          We also want to make sure that splitting is done no matter what --
          according to POSIX.2, this expands to a list of the positional
          parameters no matter what IFS is set to. */
+      /* XXX - what to do when in a context where word splitting is not
+         performed? Even when IFS is not the default, posix seems to imply
+         that we behave like unquoted $* ?  Maybe we should use PF_NOSPLIT2
+         here. */
       temp = string_list_dollar_at (list, (pflags & PF_ASSIGNRHS) ? (quoted|Q_DOUBLE_QUOTES) : quoted);
 
       tflag |= W_DOLLARAT;
@@ -8029 +8047 @@
 
           goto return0;
         }
-      else if (var = find_variable_last_nameref (temp1))
+      else if (var && (invisible_p (var) || var_isset (var) == 0))
+        temp = (char *)NULL;
+      else if ((var = find_variable_last_nameref (temp1)) && var_isset (var) && invisible_p (var) == 0)
         {
           temp = nameref_cell (var);
 #if defined (ARRAY_VARS)
@@ -8243 +8263 @@
             else
               t_index = sindex + 1; /* skip past both '<' and LPAREN */
 
-            temp1 = extract_process_subst (string, (c == '<') ? "<(" : ">(", &t_index); /*))*/
+            temp1 = extract_process_subst (string, (c == '<') ? "<(" : ">(", &t_index, 0); /*))*/
             sindex = t_index;
 
             /* If the process substitution specification is `<()', we want to
@@ -8816 +8836 @@
   else
     {
       char *ifs_chars;
+      char *tstring;
 
       ifs_chars = (quoted_dollar_at || has_dollar_at) ? ifs_value : (char *)NULL;
 
@@ -8830 +8851 @@
          regardless of what else has happened to IFS since the expansion. */
       if (split_on_spaces)
         list = list_string (istring, " ", 1);   /* XXX quoted == 1? */
+      /* If we have $@ (has_dollar_at != 0) and we are in a context where we
+         don't want to split the result (W_NOSPLIT2), and we are not quoted,
+         we have already separated the arguments with the first character of
+         $IFS.  In this case, we want to return a list with a single word
+         with the separator possibly replaced with a space (it's what other
+         shells seem to do).
+         quoted_dollar_at is internal to this function and is set if we are
+         passed an argument that is unquoted (quoted == 0) but we encounter a
+         double-quoted $@ while expanding it. */
+      else if (has_dollar_at && quoted_dollar_at == 0 && ifs_chars && quoted == 0 && (word->flags & W_NOSPLIT2))
+        {
+          /* Only split and rejoin if we have to */
+          if (*ifs_chars && *ifs_chars != ' ')
+            {
+              list = list_string (istring, *ifs_chars ? ifs_chars : " ", 1);
+              tstring = string_list (list);
+            }
+          else
+            tstring = istring;
+          tword = make_bare_word (tstring);
+          if (tstring != istring)
+            free (tstring);
+          goto set_word_flags;
+        }
       else if (has_dollar_at && ifs_chars)
         list = list_string (istring, *ifs_chars ? ifs_chars : " ", 1);
       else
         {
           tword = make_bare_word (istring);
+set_word_flags:
           if ((quoted & (Q_DOUBLE_QUOTES|Q_HERE_DOCUMENT)) || (quoted_state == WHOLLY_QUOTED))
             tword->flags |= W_QUOTED;
           if (word->flags & W_ASSIGNMENT)

subst.h

@@ -82 +82 @@
 /* Extract the <( or >( construct in STRING, and return a new string.
    Start extracting at (SINDEX) as if we had just seen "<(".
    Make (SINDEX) get the position just after the matching ")". */
-extern char *extract_process_subst __P((char *, char *, int *));
+extern char *extract_process_subst __P((char *, char *, int *, int));
 #endif /* PROCESS_SUBSTITUTION */
 
 /* Extract the name of the variable to bind to from the assignment string. */

bash-4.3

@@ -646 +646 @@
       return (v && invisible_p (v) == 0 && var_isset (v) ? TRUE : FALSE);
 
     case 'R':
-      v = find_variable (arg);
-      return (v && invisible_p (v) == 0 && var_isset (v) && nameref_p (v) ? TRUE : FALSE);
+      v = find_variable_noref (arg);
+      return ((v && invisible_p (v) == 0 && var_isset (v) && nameref_p (v)) ? TRUE : FALSE);
     }
 
   /* We can't actually get here, but this shuts up gcc. */
@@ -723 +723 @@
     case 'o': case 'p': case 'r': case 's': case 't':
     case 'u': case 'v': case 'w': case 'x': case 'z':
     case 'G': case 'L': case 'O': case 'S': case 'N':
+    case 'R':
       return (1);
     }
 

bash-4.3

@@ -920 +920 @@
       subst_assign_varlist = 0;
 
 #if defined (JOB_CONTROL)
-      save_pipeline (1);        /* XXX only provides one save level */
+      if (sig != DEBUG_TRAP)    /* run_debug_trap does this */
+        save_pipeline (1);      /* XXX only provides one save level */
 #endif
 
       /* If we're in a function, make sure return longjmps come here, too. */
@@ -940 +941 @@
       trap_exit_value = last_command_exit_value;
 
 #if defined (JOB_CONTROL)
-      restore_pipeline (1);
+      if (sig != DEBUG_TRAP)    /* run_debug_trap does this */
+        restore_pipeline (1);
 #endif
 
       subst_assign_varlist = save_subst_varlist;

variables.c

@@ -83 +83 @@
 
 #define ifsname(s)      ((s)[0] == 'I' && (s)[1] == 'F' && (s)[2] == 'S' && (s)[3] == '\0')
 
+#define BASHFUNC_PREFIX         "BASH_FUNC_"
+#define BASHFUNC_PREFLEN        10      /* == strlen(BASHFUNC_PREFIX */
+#define BASHFUNC_SUFFIX         "%%"
+#define BASHFUNC_SUFFLEN        2       /* == strlen(BASHFUNC_SUFFIX) */
+
 extern char **environ;
 
 /* Variables used here and defined in other files. */
@@ -279 +284 @@
 static void propagate_temp_var __P((PTR_T));
 static void dispose_temporary_env __P((sh_free_func_t *));     
 
-static inline char *mk_env_string __P((const char *, const char *));
+static inline char *mk_env_string __P((const char *, const char *, int));
 static char **make_env_array_from_var_list __P((SHELL_VAR **));
 static char **make_var_export_array __P((VAR_CONTEXT *));
 static char **make_func_export_array __P((void));
@@ -349 +354 @@
 
       /* If exported function, define it now.  Don't import functions from
          the environment in privileged mode. */
-      if (privmode == 0 && read_but_dont_execute == 0 && STREQN ("() {", string, 4))
+      if (privmode == 0 && read_but_dont_execute == 0 && 
+          STREQN (BASHFUNC_PREFIX, name, BASHFUNC_PREFLEN) &&
+          STREQ (BASHFUNC_SUFFIX, name + char_index - BASHFUNC_SUFFLEN) &&
+          STREQN ("() {", string, 4))
         {
-          string_length = strlen (string);
-          temp_string = (char *)xmalloc (3 + string_length + char_index);
+          size_t namelen;
+          char *tname;          /* desired imported function name */
 
-          strcpy (temp_string, name);
-          temp_string[char_index] = ' ';
-          strcpy (temp_string + char_index + 1, string);
+          namelen = char_index - BASHFUNC_PREFLEN - BASHFUNC_SUFFLEN;
 
-          if (posixly_correct == 0 || legal_identifier (name))
-            parse_and_execute (temp_string, name, SEVAL_NONINT|SEVAL_NOHIST);
+          tname = name + BASHFUNC_PREFLEN;      /* start of func name */
+          tname[namelen] = '\0';                /* now tname == func name */
+
+          string_length = strlen (string);
+          temp_string = (char *)xmalloc (namelen + string_length + 2);
 
-          /* Ancient backwards compatibility.  Old versions of bash exported
-             functions like name()=() {...} */
-          if (name[char_index - 1] == ')' && name[char_index - 2] == '(')
-            name[char_index - 2] = '\0';
+          memcpy (temp_string, tname, namelen);
+          temp_string[namelen] = ' ';
+          memcpy (temp_string + namelen + 1, string, string_length + 1);
+
+          /* Don't import function names that are invalid identifiers from the
+             environment, though we still allow them to be defined as shell
+             variables. */
+          if (absolute_program (tname) == 0 && (posixly_correct == 0 || legal_identifier (tname)))
+            parse_and_execute (temp_string, tname, SEVAL_NONINT|SEVAL_NOHIST|SEVAL_FUNCDEF|SEVAL_ONECMD);
 
-          if (temp_var = find_function (name))
+          if (temp_var = find_function (tname))
             {
               VSETATTR (temp_var, (att_exported|att_imported));
               array_needs_making = 1;
@@ -379 +393 @@
                   array_needs_making = 1;
                 }
               last_command_exit_value = 1;
-              report_error (_("error importing function definition for `%s'"), name);
+              report_error (_("error importing function definition for `%s'"), tname);
             }
 
-          /* ( */
-          if (name[char_index - 1] == ')' && name[char_index - 2] == '\0')
-            name[char_index - 2] = '(';         /* ) */
+          /* Restore original suffix */
+          tname[namelen] = BASHFUNC_SUFFIX[0];
         }
 #if defined (ARRAY_VARS)
 #  if ARRAY_EXPORT
@@ -2197 +2210 @@
   /* local foo; local foo;  is a no-op. */
   old_var = find_variable (name);
   if (old_var && local_p (old_var) && old_var->context == variable_context)
-    {
-      VUNSETATTR (old_var, att_invisible);      /* XXX */
-      return (old_var);
-    }
+    return (old_var);
 
   was_tmpvar = old_var && tempvar_p (old_var);
   /* If we're making a local variable in a shell function, the temporary env
@@ -2963 +2973 @@
   var->context = variable_context;      /* XXX */
 
   INVALIDATE_EXPORTSTR (var);
-  var->exportstr = mk_env_string (name, value);
+  var->exportstr = mk_env_string (name, value, 0);
 
   array_needs_making = 1;
 
@@ -3861 +3871 @@
 /* **************************************************************** */
 
 static inline char *
-mk_env_string (name, value)
+mk_env_string (name, value, isfunc)
      const char *name, *value;
+     int isfunc;
 {
-  int name_len, value_len;
-  char  *p;
+  size_t name_len, value_len;
+  char  *p, *q;
 
   name_len = strlen (name);
   value_len = STRLEN (value);
-  p = (char *)xmalloc (2 + name_len + value_len);
-  strcpy (p, name);
-  p[name_len] = '=';
+
+  /* If we are exporting a shell function, construct the encoded function
+     name. */
+  if (isfunc && value)
+    {
+      p = (char *)xmalloc (BASHFUNC_PREFLEN + name_len + BASHFUNC_SUFFLEN + value_len + 2);
+      q = p;
+      memcpy (q, BASHFUNC_PREFIX, BASHFUNC_PREFLEN);
+      q += BASHFUNC_PREFLEN;
+      memcpy (q, name, name_len);
+      q += name_len;
+      memcpy (q, BASHFUNC_SUFFIX, BASHFUNC_SUFFLEN);
+      q += BASHFUNC_SUFFLEN;
+    }
+  else
+    {
+      p = (char *)xmalloc (2 + name_len + value_len);
+      memcpy (p, name, name_len);
+      q = p + name_len;
+    }
+
+  q[0] = '=';
   if (value && *value)
-    strcpy (p + name_len + 1, value);
+    memcpy (q + 1, value, value_len + 1);
   else
-    p[name_len + 1] = '\0';
+    q[1] = '\0';
+
   return (p);
 }
 
@@ -3961 +3992 @@
           /* Gee, I'd like to get away with not using savestring() if we're
              using the cached exportstr... */
           list[list_index] = USE_EXPORTSTR ? savestring (value)
-                                           : mk_env_string (var->name, value);
+                                           : mk_env_string (var->name, value, function_p (var));
 
           if (USE_EXPORTSTR == 0)
             SAVE_EXPORTSTR (var, list[list_index]);

y.tab.c

@@ -168 +168 @@
 
 
 /* Copy the first part of user declarations.  */
-#line 21 "/usr/homes/chet/src/bash/src/parse.y"
+#line 21 "/usr/src/local/bash/bash-4.3-patched/parse.y"
 
 #include "config.h"
 
@@ -319 +319 @@
 
 static int reserved_word_acceptable __P((int));
 static int yylex __P((void));
+
+static void push_heredoc __P((REDIRECT *));
+static char *mk_alexpansion __P((char *));
 static int alias_expand_token __P((char *));
 static int time_command_acceptable __P((void));
 static int special_case_tokens __P((char *));
@@ -416 +419 @@
 
 /* Variables to manage the task of reading here documents, because we need to
    defer the reading until after a complete command has been collected. */
-static REDIRECT *redir_stack[10];
+#define HEREDOC_MAX 16
+
+static REDIRECT *redir_stack[HEREDOC_MAX];
 int need_here_doc;
 
 /* Where shell input comes from.  History expansion is performed on each
@@ -458 +463 @@
    or `for WORD' begins.  This is a nested command maximum, since the array
    index is decremented after a case, select, or for command is parsed. */
 #define MAX_CASE_NEST   128
-static int word_lineno[MAX_CASE_NEST];
+static int word_lineno[MAX_CASE_NEST+1];
 static int word_top = -1;
 
 /* If non-zero, it is the token that we want read_token to return
@@ -492 +497 @@
 
 #if ! defined YYSTYPE && ! defined YYSTYPE_IS_DECLARED
 typedef union YYSTYPE
-#line 324 "/usr/homes/chet/src/bash/src/parse.y"
+#line 329 "/usr/src/local/bash/bash-4.3-patched/parse.y"
 {
   WORD_DESC *word;              /* the word that we read. */
   int number;                   /* the number that we read. */
@@ -503 +508 @@
   PATTERN_LIST *pattern;
 }
 /* Line 193 of yacc.c.  */
-#line 507 "y.tab.c"
+#line 512 "y.tab.c"
         YYSTYPE;
 # define yystype YYSTYPE /* obsolescent; will be withdrawn */
 # define YYSTYPE_IS_DECLARED 1
@@ -516 +521 @@
 
 
 /* Line 216 of yacc.c.  */
-#line 520 "y.tab.c"
+#line 525 "y.tab.c"
 
 #ifdef short
 # undef short
@@ -886 +891 @@
 /* YYRLINE[YYN] -- source line where rule number YYN was defined.  */
 static const yytype_uint16 yyrline[] =
 {
-       0,   377,   377,   388,   397,   412,   422,   424,   428,   434,
-     440,   446,   452,   458,   464,   470,   476,   482,   488,   494,
-     500,   506,   512,   518,   525,   532,   539,   546,   553,   560,
-     566,   572,   578,   584,   590,   596,   602,   608,   614,   620,
-     626,   632,   638,   644,   650,   656,   662,   668,   674,   680,
-     686,   692,   700,   702,   704,   708,   712,   723,   725,   729,
-     731,   733,   749,   751,   755,   757,   759,   761,   763,   765,
-     767,   769,   771,   773,   775,   779,   784,   789,   794,   799,
-     804,   809,   814,   821,   826,   831,   836,   843,   848,   853,
-     858,   863,   868,   875,   880,   885,   892,   895,   898,   902,
-     904,   935,   942,   947,   964,   969,   986,   993,   995,   997,
-    1002,  1006,  1010,  1014,  1016,  1018,  1022,  1023,  1027,  1029,
-    1031,  1033,  1037,  1039,  1041,  1043,  1045,  1047,  1051,  1053,
-    1062,  1070,  1071,  1077,  1078,  1085,  1089,  1091,  1093,  1100,
-    1102,  1104,  1108,  1109,  1112,  1114,  1116,  1120,  1121,  1130,
-    1143,  1159,  1174,  1176,  1178,  1185,  1188,  1192,  1194,  1200,
-    1206,  1223,  1243,  1245,  1268,  1272,  1274,  1276
+       0,   382,   382,   393,   402,   417,   427,   429,   433,   439,
+     445,   451,   457,   463,   469,   475,   481,   487,   493,   499,
+     505,   511,   517,   523,   530,   537,   544,   551,   558,   565,
+     571,   577,   583,   589,   595,   601,   607,   613,   619,   625,
+     631,   637,   643,   649,   655,   661,   667,   673,   679,   685,
+     691,   697,   705,   707,   709,   713,   717,   728,   730,   734,
+     736,   738,   754,   756,   760,   762,   764,   766,   768,   770,
+     772,   774,   776,   778,   780,   784,   789,   794,   799,   804,
+     809,   814,   819,   826,   831,   836,   841,   848,   853,   858,
+     863,   868,   873,   880,   885,   890,   897,   900,   903,   907,
+     909,   940,   947,   952,   969,   974,   991,   998,  1000,  1002,
+    1007,  1011,  1015,  1019,  1021,  1023,  1027,  1028,  1032,  1034,
+    1036,  1038,  1042,  1044,  1046,  1048,  1050,  1052,  1056,  1058,
+    1067,  1075,  1076,  1082,  1083,  1090,  1094,  1096,  1098,  1105,
+    1107,  1109,  1113,  1114,  1117,  1119,  1121,  1125,  1126,  1135,
+    1148,  1164,  1179,  1181,  1183,  1190,  1193,  1197,  1199,  1205,
+    1211,  1228,  1248,  1250,  1273,  1277,  1279,  1281
 };
 #endif
 
@@ -2093 +2098 @@
   switch (yyn)
     {
         case 2:
-#line 378 "/usr/homes/chet/src/bash/src/parse.y"
+#line 383 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     {
                           /* Case of regular command.  Discard the error
                              safety net,and return the command just parsed. */
@@ -2107 +2112 @@
     break;
 
   case 3:
-#line 389 "/usr/homes/chet/src/bash/src/parse.y"
+#line 394 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     {
                           /* Case of regular command, but not a very
                              interesting one.  Return a NULL command. */
@@ -2119 +2124 @@
     break;
 
   case 4:
-#line 398 "/usr/homes/chet/src/bash/src/parse.y"
+#line 403 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     {
                           /* Error during parsing.  Return NULL command. */
                           global_command = (COMMAND *)NULL;
@@ -2137 +2142 @@
     break;
 
   case 5:
-#line 413 "/usr/homes/chet/src/bash/src/parse.y"
+#line 418 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     {
                           /* Case of EOF seen by itself.  Do ignoreeof or
                              not. */
@@ -2148 +2153 @@
     break;
 
   case 6:
-#line 423 "/usr/homes/chet/src/bash/src/parse.y"
+#line 428 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     { (yyval.word_list) = make_word_list ((yyvsp[(1) - (1)].word), (WORD_LIST *)NULL); }
     break;
 
   case 7:
-#line 425 "/usr/homes/chet/src/bash/src/parse.y"
+#line 430 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     { (yyval.word_list) = make_word_list ((yyvsp[(2) - (2)].word), (yyvsp[(1) - (2)].word_list)); }
     break;
 
   case 8:
-#line 429 "/usr/homes/chet/src/bash/src/parse.y"
+#line 434 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     {
                           source.dest = 1;
                           redir.filename = (yyvsp[(2) - (2)].word);
@@ -2167 +2172 @@
     break;
 
   case 9:
-#line 435 "/usr/homes/chet/src/bash/src/parse.y"
+#line 440 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     {
                           source.dest = 0;
                           redir.filename = (yyvsp[(2) - (2)].word);
@@ -2176 +2181 @@
     break;
 
   case 10:
-#line 441 "/usr/homes/chet/src/bash/src/parse.y"
+#line 446 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     {
                           source.dest = (yyvsp[(1) - (3)].number);
                           redir.filename = (yyvsp[(3) - (3)].word);
@@ -2185 +2190 @@
     break;
 
   case 11:
-#line 447 "/usr/homes/chet/src/bash/src/parse.y"
+#line 452 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     {
                           source.dest = (yyvsp[(1) - (3)].number);
                           redir.filename = (yyvsp[(3) - (3)].word);
@@ -2194 +2199 @@
     break;
 
   case 12:
-#line 453 "/usr/homes/chet/src/bash/src/parse.y"
+#line 458 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     {
                           source.filename = (yyvsp[(1) - (3)].word);
                           redir.filename = (yyvsp[(3) - (3)].word);
@@ -2203 +2208 @@
     break;
 
   case 13:
-#line 459 "/usr/homes/chet/src/bash/src/parse.y"
+#line 464 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     {
                           source.filename = (yyvsp[(1) - (3)].word);
                           redir.filename = (yyvsp[(3) - (3)].word);
@@ -2212 +2217 @@
     break;
 
   case 14:
-#line 465 "/usr/homes/chet/src/bash/src/parse.y"
+#line 470 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     {
                           source.dest = 1;
                           redir.filename = (yyvsp[(2) - (2)].word);
@@ -2221 +2226 @@
     break;
 
   case 15:
-#line 471 "/usr/homes/chet/src/bash/src/parse.y"
+#line 476 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     {
                           source.dest = (yyvsp[(1) - (3)].number);
                           redir.filename = (yyvsp[(3) - (3)].word);
@@ -2230 +2235 @@
     break;
 
   case 16:
-#line 477 "/usr/homes/chet/src/bash/src/parse.y"
+#line 482 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     {
                           source.filename = (yyvsp[(1) - (3)].word);
                           redir.filename = (yyvsp[(3) - (3)].word);
@@ -2239 +2244 @@
     break;
 
   case 17:
-#line 483 "/usr/homes/chet/src/bash/src/parse.y"
+#line 488 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     {
                           source.dest = 1;
                           redir.filename = (yyvsp[(2) - (2)].word);
@@ -2248 +2253 @@
     break;
 
   case 18:
-#line 489 "/usr/homes/chet/src/bash/src/parse.y"
+#line 494 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     {
                           source.dest = (yyvsp[(1) - (3)].number);
                           redir.filename = (yyvsp[(3) - (3)].word);
@@ -2257 +2262 @@
     break;
 
   case 19:
-#line 495 "/usr/homes/chet/src/bash/src/parse.y"
+#line 500 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     {
                           source.filename = (yyvsp[(1) - (3)].word);
                           redir.filename = (yyvsp[(3) - (3)].word);
@@ -2266 +2271 @@
     break;
 
   case 20:
-#line 501 "/usr/homes/chet/src/bash/src/parse.y"
+#line 506 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     {
                           source.dest = 0;
                           redir.filename = (yyvsp[(2) - (2)].word);
@@ -2275 +2280 @@
     break;
 
   case 21:
-#line 507 "/usr/homes/chet/src/bash/src/parse.y"
+#line 512 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     {
                           source.dest = (yyvsp[(1) - (3)].number);
                           redir.filename = (yyvsp[(3) - (3)].word);
@@ -2284 +2289 @@
     break;
 
   case 22:
-#line 513 "/usr/homes/chet/src/bash/src/parse.y"
+#line 518 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     {
                           source.filename = (yyvsp[(1) - (3)].word);
                           redir.filename = (yyvsp[(3) - (3)].word);
@@ -2293 +2298 @@
     break;
 
   case 23:
-#line 519 "/usr/homes/chet/src/bash/src/parse.y"
+#line 524 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     {
                           source.dest = 0;
                           redir.filename = (yyvsp[(2) - (2)].word);
                           (yyval.redirect) = make_redirection (source, r_reading_until, redir, 0);
-                          redir_stack[need_here_doc++] = (yyval.redirect);
+                          push_heredoc ((yyval.redirect));
                         }
     break;
 
   case 24:
-#line 526 "/usr/homes/chet/src/bash/src/parse.y"
+#line 531 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     {
                           source.dest = (yyvsp[(1) - (3)].number);
                           redir.filename = (yyvsp[(3) - (3)].word);
                           (yyval.redirect) = make_redirection (source, r_reading_until, redir, 0);
-                          redir_stack[need_here_doc++] = (yyval.redirect);
+                          push_heredoc ((yyval.redirect));
                         }
     break;
 
   case 25:
-#line 533 "/usr/homes/chet/src/bash/src/parse.y"
+#line 538 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     {
                           source.filename = (yyvsp[(1) - (3)].word);
                           redir.filename = (yyvsp[(3) - (3)].word);
                           (yyval.redirect) = make_redirection (source, r_reading_until, redir, REDIR_VARASSIGN);
-                          redir_stack[need_here_doc++] = (yyval.redirect);
+                          push_heredoc ((yyval.redirect));
                         }
     break;
 
   case 26:
-#line 540 "/usr/homes/chet/src/bash/src/parse.y"
+#line 545 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     {
                           source.dest = 0;
                           redir.filename = (yyvsp[(2) - (2)].word);
                           (yyval.redirect) = make_redirection (source, r_deblank_reading_until, redir, 0);
-                          redir_stack[need_here_doc++] = (yyval.redirect);
+                          push_heredoc ((yyval.redirect));
                         }
     break;
 
   case 27:
-#line 547 "/usr/homes/chet/src/bash/src/parse.y"
+#line 552 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     {
                           source.dest = (yyvsp[(1) - (3)].number);
                           redir.filename = (yyvsp[(3) - (3)].word);
                           (yyval.redirect) = make_redirection (source, r_deblank_reading_until, redir, 0);
-                          redir_stack[need_here_doc++] = (yyval.redirect);
+                          push_heredoc ((yyval.redirect));
                         }
     break;
 
   case 28:
-#line 554 "/usr/homes/chet/src/bash/src/parse.y"
+#line 559 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     {
                           source.filename = (yyvsp[(1) - (3)].word);
                           redir.filename = (yyvsp[(3) - (3)].word);
                           (yyval.redirect) = make_redirection (source, r_deblank_reading_until, redir, REDIR_VARASSIGN);
-                          redir_stack[need_here_doc++] = (yyval.redirect);
+                          push_heredoc ((yyval.redirect));
                         }
     break;
 
   case 29:
-#line 561 "/usr/homes/chet/src/bash/src/parse.y"
+#line 566 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     {
                           source.dest = 0;
                           redir.filename = (yyvsp[(2) - (2)].word);
@@ -2362 +2367 @@
     break;
 
   case 30:
-#line 567 "/usr/homes/chet/src/bash/src/parse.y"
+#line 572 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     {
                           source.dest = (yyvsp[(1) - (3)].number);
                           redir.filename = (yyvsp[(3) - (3)].word);
@@ -2371 +2376 @@
     break;
 
   case 31:
-#line 573 "/usr/homes/chet/src/bash/src/parse.y"
+#line 578 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     {
                           source.filename = (yyvsp[(1) - (3)].word);
                           redir.filename = (yyvsp[(3) - (3)].word);
@@ -2380 +2385 @@
     break;
 
   case 32:
-#line 579 "/usr/homes/chet/src/bash/src/parse.y"
+#line 584 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     {
                           source.dest = 0;
                           redir.dest = (yyvsp[(2) - (2)].number);
@@ -2389 +2394 @@
     break;
 
   case 33:
-#line 585 "/usr/homes/chet/src/bash/src/parse.y"
+#line 590 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     {
                           source.dest = (yyvsp[(1) - (3)].number);
                           redir.dest = (yyvsp[(3) - (3)].number);
@@ -2398 +2403 @@
     break;
 
   case 34:
-#line 591 "/usr/homes/chet/src/bash/src/parse.y"
+#line 596 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     {
                           source.filename = (yyvsp[(1) - (3)].word);
                           redir.dest = (yyvsp[(3) - (3)].number);
@@ -2407 +2412 @@
     break;
 
   case 35:
-#line 597 "/usr/homes/chet/src/bash/src/parse.y"
+#line 602 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     {
                           source.dest = 1;
                           redir.dest = (yyvsp[(2) - (2)].number);
@@ -2416 +2421 @@
     break;
 
   case 36:
-#line 603 "/usr/homes/chet/src/bash/src/parse.y"
+#line 608 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     {
                           source.dest = (yyvsp[(1) - (3)].number);
                           redir.dest = (yyvsp[(3) - (3)].number);
@@ -2425 +2430 @@
     break;
 
   case 37:
-#line 609 "/usr/homes/chet/src/bash/src/parse.y"
+#line 614 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     {
                           source.filename = (yyvsp[(1) - (3)].word);
                           redir.dest = (yyvsp[(3) - (3)].number);
@@ -2434 +2439 @@
     break;
 
   case 38:
-#line 615 "/usr/homes/chet/src/bash/src/parse.y"
+#line 620 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     {
                           source.dest = 0;
                           redir.filename = (yyvsp[(2) - (2)].word);
@@ -2443 +2448 @@
     break;
 
   case 39:
-#line 621 "/usr/homes/chet/src/bash/src/parse.y"
+#line 626 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     {
                           source.dest = (yyvsp[(1) - (3)].number);
                           redir.filename = (yyvsp[(3) - (3)].word);
@@ -2452 +2457 @@
     break;
 
   case 40:
-#line 627 "/usr/homes/chet/src/bash/src/parse.y"
+#line 632 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     {
                           source.filename = (yyvsp[(1) - (3)].word);
                           redir.filename = (yyvsp[(3) - (3)].word);
@@ -2461 +2466 @@
     break;
 
   case 41:
-#line 633 "/usr/homes/chet/src/bash/src/parse.y"
+#line 638 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     {
                           source.dest = 1;
                           redir.filename = (yyvsp[(2) - (2)].word);
@@ -2470 +2475 @@
     break;
 
   case 42:
-#line 639 "/usr/homes/chet/src/bash/src/parse.y"
+#line 644 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     {
                           source.dest = (yyvsp[(1) - (3)].number);
                           redir.filename = (yyvsp[(3) - (3)].word);
@@ -2479 +2484 @@
     break;
 
   case 43:
-#line 645 "/usr/homes/chet/src/bash/src/parse.y"
+#line 650 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     {
                           source.filename = (yyvsp[(1) - (3)].word);
                           redir.filename = (yyvsp[(3) - (3)].word);
@@ -2488 +2493 @@
     break;
 
   case 44:
-#line 651 "/usr/homes/chet/src/bash/src/parse.y"
+#line 656 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     {
                           source.dest = 1;
                           redir.dest = 0;
@@ -2497 +2502 @@
     break;
 
   case 45:
-#line 657 "/usr/homes/chet/src/bash/src/parse.y"
+#line 662 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     {
                           source.dest = (yyvsp[(1) - (3)].number);
                           redir.dest = 0;
@@ -2506 +2511 @@
     break;
 
   case 46:
-#line 663 "/usr/homes/chet/src/bash/src/parse.y"
+#line 668 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     {
                           source.filename = (yyvsp[(1) - (3)].word);
                           redir.dest = 0;
@@ -2515 +2520 @@
     break;
 
   case 47:
-#line 669 "/usr/homes/chet/src/bash/src/parse.y"
+#line 674 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     {
                           source.dest = 0;
                           redir.dest = 0;
@@ -2524 +2529 @@
     break;
 
   case 48:
-#line 675 "/usr/homes/chet/src/bash/src/parse.y"
+#line 680 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     {
                           source.dest = (yyvsp[(1) - (3)].number);
                           redir.dest = 0;
@@ -2533 +2538 @@
     break;
 
   case 49:
-#line 681 "/usr/homes/chet/src/bash/src/parse.y"
+#line 686 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     {
                           source.filename = (yyvsp[(1) - (3)].word);
                           redir.dest = 0;
@@ -2542 +2547 @@
     break;
 
   case 50:
-#line 687 "/usr/homes/chet/src/bash/src/parse.y"
+#line 692 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     {
                           source.dest = 1;
                           redir.filename = (yyvsp[(2) - (2)].word);
@@ -2551 +2556 @@
     break;
 
   case 51:
-#line 693 "/usr/homes/chet/src/bash/src/parse.y"
+#line 698 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     {
                           source.dest = 1;
                           redir.filename = (yyvsp[(2) - (2)].word);
@@ -2560 +2565 @@
     break;
 
   case 52:
-#line 701 "/usr/homes/chet/src/bash/src/parse.y"
+#line 706 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     { (yyval.element).word = (yyvsp[(1) - (1)].word); (yyval.element).redirect = 0; }
     break;
 
   case 53:
-#line 703 "/usr/homes/chet/src/bash/src/parse.y"
+#line 708 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     { (yyval.element).word = (yyvsp[(1) - (1)].word); (yyval.element).redirect = 0; }
     break;
 
   case 54:
-#line 705 "/usr/homes/chet/src/bash/src/parse.y"
+#line 710 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     { (yyval.element).redirect = (yyvsp[(1) - (1)].redirect); (yyval.element).word = 0; }
     break;
 
   case 55:
-#line 709 "/usr/homes/chet/src/bash/src/parse.y"
+#line 714 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     {
                           (yyval.redirect) = (yyvsp[(1) - (1)].redirect);
                         }
     break;
 
   case 56:
-#line 713 "/usr/homes/chet/src/bash/src/parse.y"
+#line 718 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     {
                           register REDIRECT *t;
 
@@ -2594 +2599 @@
     break;
 
   case 57:
-#line 724 "/usr/homes/chet/src/bash/src/parse.y"
+#line 729 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     { (yyval.command) = make_simple_command ((yyvsp[(1) - (1)].element), (COMMAND *)NULL); }
     break;
 
   case 58:
-#line 726 "/usr/homes/chet/src/bash/src/parse.y"
+#line 731 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     { (yyval.command) = make_simple_command ((yyvsp[(2) - (2)].element), (yyvsp[(1) - (2)].command)); }
     break;
 
   case 59:
-#line 730 "/usr/homes/chet/src/bash/src/parse.y"
+#line 735 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     { (yyval.command) = clean_simple_command ((yyvsp[(1) - (1)].command)); }
     break;
 
   case 60:
-#line 732 "/usr/homes/chet/src/bash/src/parse.y"
+#line 737 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     { (yyval.command) = (yyvsp[(1) - (1)].command); }
     break;
 
   case 61:
-#line 734 "/usr/homes/chet/src/bash/src/parse.y"
+#line 739 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     {
                           COMMAND *tc;
 
@@ -2633 +2638 @@
     break;
 
   case 62:
-#line 750 "/usr/homes/chet/src/bash/src/parse.y"
+#line 755 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     { (yyval.command) = (yyvsp[(1) - (1)].command); }
     break;
 
   case 63:
-#line 752 "/usr/homes/chet/src/bash/src/parse.y"
+#line 757 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     { (yyval.command) = (yyvsp[(1) - (1)].command); }
     break;
 
   case 64:
-#line 756 "/usr/homes/chet/src/bash/src/parse.y"
+#line 761 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     { (yyval.command) = (yyvsp[(1) - (1)].command); }
     break;
 
   case 65:
-#line 758 "/usr/homes/chet/src/bash/src/parse.y"
+#line 763 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     { (yyval.command) = (yyvsp[(1) - (1)].command); }
     break;
 
   case 66:
-#line 760 "/usr/homes/chet/src/bash/src/parse.y"
+#line 765 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     { (yyval.command) = make_while_command ((yyvsp[(2) - (5)].command), (yyvsp[(4) - (5)].command)); }
     break;
 
   case 67:
-#line 762 "/usr/homes/chet/src/bash/src/parse.y"
+#line 767 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     { (yyval.command) = make_until_command ((yyvsp[(2) - (5)].command), (yyvsp[(4) - (5)].command)); }
     break;
 
   case 68:
-#line 764 "/usr/homes/chet/src/bash/src/parse.y"
+#line 769 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     { (yyval.command) = (yyvsp[(1) - (1)].command); }
     break;
 
   case 69:
-#line 766 "/usr/homes/chet/src/bash/src/parse.y"
+#line 771 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     { (yyval.command) = (yyvsp[(1) - (1)].command); }
     break;
 
   case 70:
-#line 768 "/usr/homes/chet/src/bash/src/parse.y"
+#line 773 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     { (yyval.command) = (yyvsp[(1) - (1)].command); }
     break;
 
   case 71:
-#line 770 "/usr/homes/chet/src/bash/src/parse.y"
+#line 775 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     { (yyval.command) = (yyvsp[(1) - (1)].command); }
     break;
 
   case 72:
-#line 772 "/usr/homes/chet/src/bash/src/parse.y"
+#line 777 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     { (yyval.command) = (yyvsp[(1) - (1)].command); }
     break;
 
   case 73:
-#line 774 "/usr/homes/chet/src/bash/src/parse.y"
+#line 779 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     { (yyval.command) = (yyvsp[(1) - (1)].command); }
     break;
 
   case 74:
-#line 776 "/usr/homes/chet/src/bash/src/parse.y"
+#line 781 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     { (yyval.command) = (yyvsp[(1) - (1)].command); }
     break;
 
   case 75:
-#line 780 "/usr/homes/chet/src/bash/src/parse.y"
+#line 785 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     {
                           (yyval.command) = make_for_command ((yyvsp[(2) - (6)].word), add_string_to_list ("\"$@\"", (WORD_LIST *)NULL), (yyvsp[(5) - (6)].command), word_lineno[word_top]);
                           if (word_top > 0) word_top--;
@@ -2706 +2711 @@
     break;
 
   case 76:
-#line 785 "/usr/homes/chet/src/bash/src/parse.y"
+#line 790 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     {
                           (yyval.command) = make_for_command ((yyvsp[(2) - (6)].word), add_string_to_list ("\"$@\"", (WORD_LIST *)NULL), (yyvsp[(5) - (6)].command), word_lineno[word_top]);
                           if (word_top > 0) word_top--;
@@ -2714 +2719 @@
     break;
 
   case 77:
-#line 790 "/usr/homes/chet/src/bash/src/parse.y"
+#line 795 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     {
                           (yyval.command) = make_for_command ((yyvsp[(2) - (7)].word), add_string_to_list ("\"$@\"", (WORD_LIST *)NULL), (yyvsp[(6) - (7)].command), word_lineno[word_top]);
                           if (word_top > 0) word_top--;
@@ -2722 +2727 @@
     break;
 
   case 78:
-#line 795 "/usr/homes/chet/src/bash/src/parse.y"
+#line 800 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     {
                           (yyval.command) = make_for_command ((yyvsp[(2) - (7)].word), add_string_to_list ("\"$@\"", (WORD_LIST *)NULL), (yyvsp[(6) - (7)].command), word_lineno[word_top]);
                           if (word_top > 0) word_top--;
@@ -2730 +2735 @@
     break;
 
   case 79:
-#line 800 "/usr/homes/chet/src/bash/src/parse.y"
+#line 805 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     {
                           (yyval.command) = make_for_command ((yyvsp[(2) - (10)].word), REVERSE_LIST ((yyvsp[(5) - (10)].word_list), WORD_LIST *), (yyvsp[(9) - (10)].command), word_lineno[word_top]);
                           if (word_top > 0) word_top--;
@@ -2738 +2743 @@
     break;
 
   case 80:
-#line 805 "/usr/homes/chet/src/bash/src/parse.y"
+#line 810 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     {
                           (yyval.command) = make_for_command ((yyvsp[(2) - (10)].word), REVERSE_LIST ((yyvsp[(5) - (10)].word_list), WORD_LIST *), (yyvsp[(9) - (10)].command), word_lineno[word_top]);
                           if (word_top > 0) word_top--;
@@ -2746 +2751 @@
     break;
 
   case 81:
-#line 810 "/usr/homes/chet/src/bash/src/parse.y"
+#line 815 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     {
                           (yyval.command) = make_for_command ((yyvsp[(2) - (9)].word), (WORD_LIST *)NULL, (yyvsp[(8) - (9)].command), word_lineno[word_top]);
                           if (word_top > 0) word_top--;
@@ -2754 +2759 @@
     break;
 
   case 82:
-#line 815 "/usr/homes/chet/src/bash/src/parse.y"
+#line 820 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     {
                           (yyval.command) = make_for_command ((yyvsp[(2) - (9)].word), (WORD_LIST *)NULL, (yyvsp[(8) - (9)].command), word_lineno[word_top]);
                           if (word_top > 0) word_top--;
@@ -2762 +2767 @@
     break;
 
   case 83:
-#line 822 "/usr/homes/chet/src/bash/src/parse.y"
+#line 827 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     {
                                   (yyval.command) = make_arith_for_command ((yyvsp[(2) - (7)].word_list), (yyvsp[(6) - (7)].command), arith_for_lineno);
                                   if (word_top > 0) word_top--;
@@ -2770 +2775 @@
     break;
 
   case 84:
-#line 827 "/usr/homes/chet/src/bash/src/parse.y"
+#line 832 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     {
                                   (yyval.command) = make_arith_for_command ((yyvsp[(2) - (7)].word_list), (yyvsp[(6) - (7)].command), arith_for_lineno);
                                   if (word_top > 0) word_top--;
@@ -2778 +2783 @@
     break;
 
   case 85:
-#line 832 "/usr/homes/chet/src/bash/src/parse.y"
+#line 837 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     {
                                   (yyval.command) = make_arith_for_command ((yyvsp[(2) - (5)].word_list), (yyvsp[(4) - (5)].command), arith_for_lineno);
                                   if (word_top > 0) word_top--;
@@ -2786 +2791 @@
     break;
 
   case 86:
-#line 837 "/usr/homes/chet/src/bash/src/parse.y"
+#line 842 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     {
                                   (yyval.command) = make_arith_for_command ((yyvsp[(2) - (5)].word_list), (yyvsp[(4) - (5)].command), arith_for_lineno);
                                   if (word_top > 0) word_top--;
@@ -2794 +2799 @@
     break;
 
   case 87:
-#line 844 "/usr/homes/chet/src/bash/src/parse.y"
+#line 849 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     {
                           (yyval.command) = make_select_command ((yyvsp[(2) - (6)].word), add_string_to_list ("\"$@\"", (WORD_LIST *)NULL), (yyvsp[(5) - (6)].command), word_lineno[word_top]);
                           if (word_top > 0) word_top--;
@@ -2802 +2807 @@
     break;
 
   case 88:
-#line 849 "/usr/homes/chet/src/bash/src/parse.y"
+#line 854 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     {
                           (yyval.command) = make_select_command ((yyvsp[(2) - (6)].word), add_string_to_list ("\"$@\"", (WORD_LIST *)NULL), (yyvsp[(5) - (6)].command), word_lineno[word_top]);
                           if (word_top > 0) word_top--;
@@ -2810 +2815 @@
     break;
 
   case 89:
-#line 854 "/usr/homes/chet/src/bash/src/parse.y"
+#line 859 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     {
                           (yyval.command) = make_select_command ((yyvsp[(2) - (7)].word), add_string_to_list ("\"$@\"", (WORD_LIST *)NULL), (yyvsp[(6) - (7)].command), word_lineno[word_top]);
                           if (word_top > 0) word_top--;
@@ -2818 +2823 @@
     break;
 
   case 90:
-#line 859 "/usr/homes/chet/src/bash/src/parse.y"
+#line 864 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     {
                           (yyval.command) = make_select_command ((yyvsp[(2) - (7)].word), add_string_to_list ("\"$@\"", (WORD_LIST *)NULL), (yyvsp[(6) - (7)].command), word_lineno[word_top]);
                           if (word_top > 0) word_top--;
@@ -2826 +2831 @@
     break;
 
   case 91:
-#line 864 "/usr/homes/chet/src/bash/src/parse.y"
+#line 869 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     {
                           (yyval.command) = make_select_command ((yyvsp[(2) - (10)].word), REVERSE_LIST ((yyvsp[(5) - (10)].word_list), WORD_LIST *), (yyvsp[(9) - (10)].command), word_lineno[word_top]);
                           if (word_top > 0) word_top--;
@@ -2834 +2839 @@
     break;
 
   case 92:
-#line 869 "/usr/homes/chet/src/bash/src/parse.y"
+#line 874 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     {
                           (yyval.command) = make_select_command ((yyvsp[(2) - (10)].word), REVERSE_LIST ((yyvsp[(5) - (10)].word_list), WORD_LIST *), (yyvsp[(9) - (10)].command), word_lineno[word_top]);
                           if (word_top > 0) word_top--;
@@ -2842 +2847 @@
     break;
 
   case 93:
-#line 876 "/usr/homes/chet/src/bash/src/parse.y"
+#line 881 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     {
                           (yyval.command) = make_case_command ((yyvsp[(2) - (6)].word), (PATTERN_LIST *)NULL, word_lineno[word_top]);
                           if (word_top > 0) word_top--;
@@ -2850 +2855 @@
     break;
 
   case 94:
-#line 881 "/usr/homes/chet/src/bash/src/parse.y"
+#line 886 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     {
                           (yyval.command) = make_case_command ((yyvsp[(2) - (7)].word), (yyvsp[(5) - (7)].pattern), word_lineno[word_top]);
                           if (word_top > 0) word_top--;
@@ -2858 +2863 @@
     break;
 
   case 95:
-#line 886 "/usr/homes/chet/src/bash/src/parse.y"
+#line 891 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     {
                           (yyval.command) = make_case_command ((yyvsp[(2) - (6)].word), (yyvsp[(5) - (6)].pattern), word_lineno[word_top]);
                           if (word_top > 0) word_top--;
@@ -2866 +2871 @@
     break;
 
   case 96:
-#line 893 "/usr/homes/chet/src/bash/src/parse.y"
+#line 898 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     { (yyval.command) = make_function_def ((yyvsp[(1) - (5)].word), (yyvsp[(5) - (5)].command), function_dstart, function_bstart); }
     break;
 
   case 97:
-#line 896 "/usr/homes/chet/src/bash/src/parse.y"
+#line 901 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     { (yyval.command) = make_function_def ((yyvsp[(2) - (6)].word), (yyvsp[(6) - (6)].command), function_dstart, function_bstart); }
     break;
 
   case 98:
-#line 899 "/usr/homes/chet/src/bash/src/parse.y"
+#line 904 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     { (yyval.command) = make_function_def ((yyvsp[(2) - (4)].word), (yyvsp[(4) - (4)].command), function_dstart, function_bstart); }
     break;
 
   case 99:
-#line 903 "/usr/homes/chet/src/bash/src/parse.y"
+#line 908 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     { (yyval.command) = (yyvsp[(1) - (1)].command); }
     break;
 
   case 100:
-#line 905 "/usr/homes/chet/src/bash/src/parse.y"
+#line 910 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     {
                           COMMAND *tc;
 
@@ -2918 +2923 @@
     break;
 
   case 101:
-#line 936 "/usr/homes/chet/src/bash/src/parse.y"
+#line 941 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     {
                           (yyval.command) = make_subshell_command ((yyvsp[(2) - (3)].command));
                           (yyval.command)->flags |= CMD_WANT_SUBSHELL;
@@ -2926 +2931 @@
     break;
 
   case 102:
-#line 943 "/usr/homes/chet/src/bash/src/parse.y"
+#line 948 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     {
                           (yyval.command) = make_coproc_command ("COPROC", (yyvsp[(2) - (2)].command));
                           (yyval.command)->flags |= CMD_WANT_SUBSHELL|CMD_COPROC_SUBSHELL;
@@ -2934 +2939 @@
     break;
 
   case 103:
-#line 948 "/usr/homes/chet/src/bash/src/parse.y"
+#line 953 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     {
                           COMMAND *tc;
 
@@ -2954 +2959 @@
     break;
 
   case 104:
-#line 965 "/usr/homes/chet/src/bash/src/parse.y"
+#line 970 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     {
                           (yyval.command) = make_coproc_command ((yyvsp[(2) - (3)].word)->word, (yyvsp[(3) - (3)].command));
                           (yyval.command)->flags |= CMD_WANT_SUBSHELL|CMD_COPROC_SUBSHELL;
@@ -2962 +2967 @@
     break;
 
   case 105:
-#line 970 "/usr/homes/chet/src/bash/src/parse.y"
+#line 975 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     {
                           COMMAND *tc;
 
@@ -2982 +2987 @@
     break;
 
   case 106:
-#line 987 "/usr/homes/chet/src/bash/src/parse.y"
+#line 992 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     {
                           (yyval.command) = make_coproc_command ("COPROC", clean_simple_command ((yyvsp[(2) - (2)].command)));
                           (yyval.command)->flags |= CMD_WANT_SUBSHELL|CMD_COPROC_SUBSHELL;
@@ -2990 +2995 @@
     break;
 
   case 107:
-#line 994 "/usr/homes/chet/src/bash/src/parse.y"
+#line 999 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     { (yyval.command) = make_if_command ((yyvsp[(2) - (5)].command), (yyvsp[(4) - (5)].command), (COMMAND *)NULL); }
     break;
 
   case 108:
-#line 996 "/usr/homes/chet/src/bash/src/parse.y"
+#line 1001 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     { (yyval.command) = make_if_command ((yyvsp[(2) - (7)].command), (yyvsp[(4) - (7)].command), (yyvsp[(6) - (7)].command)); }
     break;
 
   case 109:
-#line 998 "/usr/homes/chet/src/bash/src/parse.y"
+#line 1003 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     { (yyval.command) = make_if_command ((yyvsp[(2) - (6)].command), (yyvsp[(4) - (6)].command), (yyvsp[(5) - (6)].command)); }
     break;
 
   case 110:
-#line 1003 "/usr/homes/chet/src/bash/src/parse.y"
+#line 1008 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     { (yyval.command) = make_group_command ((yyvsp[(2) - (3)].command)); }
     break;
 
   case 111:
-#line 1007 "/usr/homes/chet/src/bash/src/parse.y"
+#line 1012 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     { (yyval.command) = make_arith_command ((yyvsp[(1) - (1)].word_list)); }
     break;
 
   case 112:
-#line 1011 "/usr/homes/chet/src/bash/src/parse.y"
+#line 1016 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     { (yyval.command) = (yyvsp[(2) - (3)].command); }
     break;
 
   case 113:
-#line 1015 "/usr/homes/chet/src/bash/src/parse.y"
+#line 1020 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     { (yyval.command) = make_if_command ((yyvsp[(2) - (4)].command), (yyvsp[(4) - (4)].command), (COMMAND *)NULL); }
     break;
 
   case 114:
-#line 1017 "/usr/homes/chet/src/bash/src/parse.y"
+#line 1022 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     { (yyval.command) = make_if_command ((yyvsp[(2) - (6)].command), (yyvsp[(4) - (6)].command), (yyvsp[(6) - (6)].command)); }
     break;
 
   case 115:
-#line 1019 "/usr/homes/chet/src/bash/src/parse.y"
+#line 1024 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     { (yyval.command) = make_if_command ((yyvsp[(2) - (5)].command), (yyvsp[(4) - (5)].command), (yyvsp[(5) - (5)].command)); }
     break;
 
   case 117:
-#line 1024 "/usr/homes/chet/src/bash/src/parse.y"
+#line 1029 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     { (yyvsp[(2) - (2)].pattern)->next = (yyvsp[(1) - (2)].pattern); (yyval.pattern) = (yyvsp[(2) - (2)].pattern); }
     break;
 
   case 118:
-#line 1028 "/usr/homes/chet/src/bash/src/parse.y"
+#line 1033 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     { (yyval.pattern) = make_pattern_list ((yyvsp[(2) - (4)].word_list), (yyvsp[(4) - (4)].command)); }
     break;
 
   case 119:
-#line 1030 "/usr/homes/chet/src/bash/src/parse.y"
+#line 1035 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     { (yyval.pattern) = make_pattern_list ((yyvsp[(2) - (4)].word_list), (COMMAND *)NULL); }
     break;
 
   case 120:
-#line 1032 "/usr/homes/chet/src/bash/src/parse.y"
+#line 1037 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     { (yyval.pattern) = make_pattern_list ((yyvsp[(3) - (5)].word_list), (yyvsp[(5) - (5)].command)); }
     break;
 
   case 121:
-#line 1034 "/usr/homes/chet/src/bash/src/parse.y"
+#line 1039 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     { (yyval.pattern) = make_pattern_list ((yyvsp[(3) - (5)].word_list), (COMMAND *)NULL); }
     break;
 
   case 122:
-#line 1038 "/usr/homes/chet/src/bash/src/parse.y"
+#line 1043 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     { (yyval.pattern) = (yyvsp[(1) - (2)].pattern); }
     break;
 
   case 123:
-#line 1040 "/usr/homes/chet/src/bash/src/parse.y"
+#line 1045 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     { (yyvsp[(2) - (3)].pattern)->next = (yyvsp[(1) - (3)].pattern); (yyval.pattern) = (yyvsp[(2) - (3)].pattern); }
     break;
 
   case 124:
-#line 1042 "/usr/homes/chet/src/bash/src/parse.y"
+#line 1047 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     { (yyvsp[(1) - (2)].pattern)->flags |= CASEPAT_FALLTHROUGH; (yyval.pattern) = (yyvsp[(1) - (2)].pattern); }
     break;
 
   case 125:
-#line 1044 "/usr/homes/chet/src/bash/src/parse.y"
+#line 1049 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     { (yyvsp[(2) - (3)].pattern)->flags |= CASEPAT_FALLTHROUGH; (yyvsp[(2) - (3)].pattern)->next = (yyvsp[(1) - (3)].pattern); (yyval.pattern) = (yyvsp[(2) - (3)].pattern); }
     break;
 
   case 126:
-#line 1046 "/usr/homes/chet/src/bash/src/parse.y"
+#line 1051 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     { (yyvsp[(1) - (2)].pattern)->flags |= CASEPAT_TESTNEXT; (yyval.pattern) = (yyvsp[(1) - (2)].pattern); }
     break;
 
   case 127:
-#line 1048 "/usr/homes/chet/src/bash/src/parse.y"
+#line 1053 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     { (yyvsp[(2) - (3)].pattern)->flags |= CASEPAT_TESTNEXT; (yyvsp[(2) - (3)].pattern)->next = (yyvsp[(1) - (3)].pattern); (yyval.pattern) = (yyvsp[(2) - (3)].pattern); }
     break;
 
   case 128:
-#line 1052 "/usr/homes/chet/src/bash/src/parse.y"
+#line 1057 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     { (yyval.word_list) = make_word_list ((yyvsp[(1) - (1)].word), (WORD_LIST *)NULL); }
     break;
 
   case 129:
-#line 1054 "/usr/homes/chet/src/bash/src/parse.y"
+#line 1059 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     { (yyval.word_list) = make_word_list ((yyvsp[(3) - (3)].word), (yyvsp[(1) - (3)].word_list)); }
     break;
 
   case 130:
-#line 1063 "/usr/homes/chet/src/bash/src/parse.y"
+#line 1068 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     {
                           (yyval.command) = (yyvsp[(2) - (2)].command);
                           if (need_here_doc)
@@ -3109 +3114 @@
     break;
 
   case 132:
-#line 1072 "/usr/homes/chet/src/bash/src/parse.y"
+#line 1077 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     {
                           (yyval.command) = (yyvsp[(2) - (2)].command);
                         }
     break;
 
   case 134:
-#line 1079 "/usr/homes/chet/src/bash/src/parse.y"
+#line 1084 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     {
                           if ((yyvsp[(1) - (3)].command)->type == cm_connection)
                             (yyval.command) = connect_async_list ((yyvsp[(1) - (3)].command), (COMMAND *)NULL, '&');
@@ -3126 +3131 @@
     break;
 
   case 136:
-#line 1090 "/usr/homes/chet/src/bash/src/parse.y"
+#line 1095 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     { (yyval.command) = command_connect ((yyvsp[(1) - (4)].command), (yyvsp[(4) - (4)].command), AND_AND); }
     break;
 
   case 137:
-#line 1092 "/usr/homes/chet/src/bash/src/parse.y"
+#line 1097 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     { (yyval.command) = command_connect ((yyvsp[(1) - (4)].command), (yyvsp[(4) - (4)].command), OR_OR); }
     break;
 
   case 138:
-#line 1094 "/usr/homes/chet/src/bash/src/parse.y"
+#line 1099 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     {
                           if ((yyvsp[(1) - (4)].command)->type == cm_connection)
                             (yyval.command) = connect_async_list ((yyvsp[(1) - (4)].command), (yyvsp[(4) - (4)].command), '&');
@@ -3146 +3151 @@
     break;
 
   case 139:
-#line 1101 "/usr/homes/chet/src/bash/src/parse.y"
+#line 1106 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     { (yyval.command) = command_connect ((yyvsp[(1) - (4)].command), (yyvsp[(4) - (4)].command), ';'); }
     break;
 
   case 140:
-#line 1103 "/usr/homes/chet/src/bash/src/parse.y"
+#line 1108 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     { (yyval.command) = command_connect ((yyvsp[(1) - (4)].command), (yyvsp[(4) - (4)].command), ';'); }
     break;
 
   case 141:
-#line 1105 "/usr/homes/chet/src/bash/src/parse.y"
+#line 1110 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     { (yyval.command) = (yyvsp[(1) - (1)].command); }
     break;
 
   case 144:
-#line 1113 "/usr/homes/chet/src/bash/src/parse.y"
+#line 1118 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     { (yyval.number) = '\n'; }
     break;
 
   case 145:
-#line 1115 "/usr/homes/chet/src/bash/src/parse.y"
+#line 1120 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     { (yyval.number) = ';'; }
     break;
 
   case 146:
-#line 1117 "/usr/homes/chet/src/bash/src/parse.y"
+#line 1122 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     { (yyval.number) = yacc_EOF; }
     break;
 
   case 149:
-#line 1131 "/usr/homes/chet/src/bash/src/parse.y"
+#line 1136 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     {
                           (yyval.command) = (yyvsp[(1) - (1)].command);
                           if (need_here_doc)
@@ -3192 +3197 @@
     break;
 
   case 150:
-#line 1144 "/usr/homes/chet/src/bash/src/parse.y"
+#line 1149 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     {
                           if ((yyvsp[(1) - (2)].command)->type == cm_connection)
                             (yyval.command) = connect_async_list ((yyvsp[(1) - (2)].command), (COMMAND *)NULL, '&');
@@ -3211 +3216 @@
     break;
 
   case 151:
-#line 1160 "/usr/homes/chet/src/bash/src/parse.y"
+#line 1165 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     {
                           (yyval.command) = (yyvsp[(1) - (2)].command);
                           if (need_here_doc)
@@ -3227 +3232 @@
     break;
 
   case 152:
-#line 1175 "/usr/homes/chet/src/bash/src/parse.y"
+#line 1180 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     { (yyval.command) = command_connect ((yyvsp[(1) - (4)].command), (yyvsp[(4) - (4)].command), AND_AND); }
     break;
 
   case 153:
-#line 1177 "/usr/homes/chet/src/bash/src/parse.y"
+#line 1182 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     { (yyval.command) = command_connect ((yyvsp[(1) - (4)].command), (yyvsp[(4) - (4)].command), OR_OR); }
     break;
 
   case 154:
-#line 1179 "/usr/homes/chet/src/bash/src/parse.y"
+#line 1184 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     {
                           if ((yyvsp[(1) - (3)].command)->type == cm_connection)
                             (yyval.command) = connect_async_list ((yyvsp[(1) - (3)].command), (yyvsp[(3) - (3)].command), '&');
@@ -3247 +3252 @@
     break;
 
   case 155:
-#line 1186 "/usr/homes/chet/src/bash/src/parse.y"
+#line 1191 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     { (yyval.command) = command_connect ((yyvsp[(1) - (3)].command), (yyvsp[(3) - (3)].command), ';'); }
     break;
 
   case 156:
-#line 1189 "/usr/homes/chet/src/bash/src/parse.y"
+#line 1194 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     { (yyval.command) = (yyvsp[(1) - (1)].command); }
     break;
 
   case 157:
-#line 1193 "/usr/homes/chet/src/bash/src/parse.y"
+#line 1198 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     { (yyval.command) = (yyvsp[(1) - (1)].command); }
     break;
 
   case 158:
-#line 1195 "/usr/homes/chet/src/bash/src/parse.y"
+#line 1200 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     {
                           if ((yyvsp[(2) - (2)].command))
                             (yyvsp[(2) - (2)].command)->flags ^= CMD_INVERT_RETURN;     /* toggle */
@@ -3271 +3276 @@
     break;
 
   case 159:
-#line 1201 "/usr/homes/chet/src/bash/src/parse.y"
+#line 1206 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     {
                           if ((yyvsp[(2) - (2)].command))
                             (yyvsp[(2) - (2)].command)->flags |= (yyvsp[(1) - (2)].number);
@@ -3280 +3285 @@
     break;
 
   case 160:
-#line 1207 "/usr/homes/chet/src/bash/src/parse.y"
+#line 1212 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     {
                           ELEMENT x;
 
@@ -3300 +3305 @@
     break;
 
   case 161:
-#line 1224 "/usr/homes/chet/src/bash/src/parse.y"
+#line 1229 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     {
                           ELEMENT x;
 
@@ -3321 +3326 @@
     break;
 
   case 162:
-#line 1244 "/usr/homes/chet/src/bash/src/parse.y"
+#line 1249 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     { (yyval.command) = command_connect ((yyvsp[(1) - (4)].command), (yyvsp[(4) - (4)].command), '|'); }
     break;
 
   case 163:
-#line 1246 "/usr/homes/chet/src/bash/src/parse.y"
+#line 1251 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     {
                           /* Make cmd1 |& cmd2 equivalent to cmd1 2>&1 | cmd2 */
                           COMMAND *tc;
@@ -3352 +3357 @@
     break;
 
   case 164:
-#line 1269 "/usr/homes/chet/src/bash/src/parse.y"
+#line 1274 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     { (yyval.command) = (yyvsp[(1) - (1)].command); }
     break;
 
   case 165:
-#line 1273 "/usr/homes/chet/src/bash/src/parse.y"
+#line 1278 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     { (yyval.number) = CMD_TIME_PIPELINE; }
     break;
 
   case 166:
-#line 1275 "/usr/homes/chet/src/bash/src/parse.y"
+#line 1280 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     { (yyval.number) = CMD_TIME_PIPELINE|CMD_TIME_POSIX; }
     break;
 
   case 167:
-#line 1277 "/usr/homes/chet/src/bash/src/parse.y"
+#line 1282 "/usr/src/local/bash/bash-4.3-patched/parse.y"
     { (yyval.number) = CMD_TIME_PIPELINE|CMD_TIME_POSIX; }
     break;
 
 
 /* Line 1267 of yacc.c.  */
-#line 3377 "y.tab.c"
+#line 3382 "y.tab.c"
       default: break;
     }
   YY_SYMBOL_PRINT ("-> $$ =", yyr1[yyn], &yyval, &yyloc);
@@ -3587 +3592 @@
 }
 
 
-#line 1279 "/usr/homes/chet/src/bash/src/parse.y"
+#line 1284 "/usr/src/local/bash/bash-4.3-patched/parse.y"
 
 
 /* Initial size to allocate for tokens, and the
@@ -4736 +4741 @@
          not already end in an EOF character.  */
       if (shell_input_line_terminator != EOF)
         {
-          if (shell_input_line_size < SIZE_MAX && shell_input_line_len > shell_input_line_size - 3)
+          if (shell_input_line_size < SIZE_MAX-3 && (shell_input_line_len+3 > shell_input_line_size))
             shell_input_line = (char *)xrealloc (shell_input_line,
                                         1 + (shell_input_line_size += 2));
 
@@ -4845 +4850 @@
     eol_ungetc_lookahead = c;
 }
 
+char *
+parser_remaining_input ()
+{
+  if (shell_input_line == 0)
+    return 0;
+  if (shell_input_line_index < 0 || shell_input_line_index >= shell_input_line_len)
+    return '\0';        /* XXX */
+  return (shell_input_line + shell_input_line_index);
+}
+
 #ifdef INCLUDE_UNUSED
 /* Back the input pointer up by one, effectively `ungetting' a character. */
 static void
@@ -4948 +4963 @@
    which allow ESAC to be the next one read. */
 static int esacs_needed_count;
 
+static void
+push_heredoc (r)
+     REDIRECT *r;
+{
+  if (need_here_doc >= HEREDOC_MAX)
+    {
+      last_command_exit_value = EX_BADUSAGE;
+      need_here_doc = 0;
+      report_syntax_error (_("maximum here-document count exceeded"));
+      reset_parser ();
+      exit_shell (last_command_exit_value);
+    }
+  redir_stack[need_here_doc++] = r;
+}
+
 void
 gather_here_documents ()
 {
   int r;
 
   r = 0;
-  while (need_here_doc)
+  while (need_here_doc > 0)
     {
       parser_state |= PST_HEREDOC;
       make_here_document (redir_stack[r++], line_number);
@@ -5265 +5295 @@
   FREE (word_desc_to_read);
   word_desc_to_read = (WORD_DESC *)NULL;
 
+  eol_ungetc_lookahead = 0;
+
   current_token = '\n';         /* XXX */
   last_read_token = '\n';
   token_to_read = '\n';
@@ -5710 +5742 @@
          within a double-quoted ${...} construct "an even number of
          unescaped double-quotes or single-quotes, if any, shall occur." */
       /* This was changed in Austin Group Interp 221 */
-      if MBTEST(posixly_correct && shell_compatibility_level > 41 && dolbrace_state != DOLBRACE_QUOTE && (flags & P_DQUOTE) && (flags & P_DOLBRACE) && ch == '\'')
+      if MBTEST(posixly_correct && shell_compatibility_level > 41 && dolbrace_state != DOLBRACE_QUOTE && dolbrace_state != DOLBRACE_QUOTE2 && (flags & P_DQUOTE) && (flags & P_DOLBRACE) && ch == '\'')
         continue;
 
       /* Could also check open == '`' if we want to parse grouping constructs
@@ -6317 +6349 @@
   reset_parser ();
   /* reset_parser clears shell_input_line and associated variables */
   restore_input_line_state (&ls);
-  if (interactive)
-    token_to_read = 0;
+
+  token_to_read = 0;
 
   /* Need to find how many characters parse_and_execute consumed, update
      *indp, if flags != 0, copy the portion of the string parsed into RET
@@ -8387 +8419 @@
 
   ps->expand_aliases = expand_aliases;
   ps->echo_input_at_read = echo_input_at_read;
+  ps->need_here_doc = need_here_doc;
 
   ps->token = token;
   ps->token_buffer_size = token_buffer_size;
@@ -8435 +8468 @@
 
   expand_aliases = ps->expand_aliases;
   echo_input_at_read = ps->echo_input_at_read;
+  need_here_doc = ps->need_here_doc;
 
   FREE (token);
   token = ps->token;