new file mode 100644
--- /dev/null
+++ b/liboctave/oct-rl-edit.c
@@ -0,0 +1,293 @@
+/*
+
+Copyright (C) 2000 John W. Eaton
+
+This file is part of Octave.
+
+Octave is free software; you can redistribute it and/or modify it
+under the terms of the GNU General Public License as published by the
+Free Software Foundation; either version 2, or (at your option) any
+later version.
+
+Octave 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 Octave; see the file COPYING.  If not, write to the Free
+Software Foundation, 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+
+*/
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#if defined (USE_READLINE)
+
+#include <stdio.h>
+#include <stdlib.h>
+
+#include <readline/readline.h>
+
+#include "oct-rl-edit.h"
+
+// It would be nice if readline.h declared these, I think.
+
+extern int rl_blink_matching_paren;
+
+extern int screenheight;
+
+extern int screenwidth;
+
+int
+octave_rl_screen_height (void)
+{
+  return screenheight;
+}
+
+int
+octave_rl_screen_width (void)
+{
+  return screenwidth;
+}
+
+void
+octave_set_rl_blink_matching_paren_flag (int val)
+{
+  rl_blink_matching_paren = val;
+}
+
+int
+octave_get_rl_blink_matching_paren_flag (void)
+{
+  return rl_blink_matching_paren;
+}
+
+void
+octave_rl_clear_screen (void)
+{
+  rl_clear_screen ();
+}
+
+void
+octave_rl_resize_terminal (void)
+{
+  rl_resize_terminal ();
+}
+
+void
+octave_rl_restore_terminal_state ()
+{
+  if (rl_deprep_term_function)
+    rl_deprep_term_function ();
+}
+
+void
+octave_rl_insert_text (const char *s)
+{
+  rl_insert_text (s);
+}
+
+void
+octave_rl_newline (void)
+{
+  rl_newline ();
+}
+
+void
+octave_rl_clear_undo_list (void)
+{
+  if (rl_undo_list)
+    {
+      free_undo_list ();
+
+      rl_undo_list = 0;
+    }
+}
+
+void
+octave_rl_set_name (const char *n)
+{
+  static char *nm = 0;
+
+  if (nm)
+    {
+      free (nm);
+      nm = 0;
+    }
+
+  nm = malloc (strlen (n + 1));
+
+  strcpy (nm, n);
+
+  rl_readline_name = nm;
+
+  /* Since we've already called rl_initialize, we need to re-read the
+     init file to take advantage of the conditional parsing feature
+     based on rl_readline_name; */
+
+  rl_re_read_init_file ();
+}
+
+char *
+octave_rl_readline (const char *prompt)
+{
+  return readline (prompt);
+}
+
+void
+octave_rl_set_input_stream (FILE *f)
+{
+  rl_instream = f;
+}
+
+FILE *
+octave_rl_get_input_stream (void)
+{
+  return rl_instream;
+}
+
+void
+octave_rl_set_output_stream (FILE *f)
+{
+  rl_outstream = f;
+}
+
+FILE *
+octave_rl_get_output_stream (void)
+{
+  return rl_outstream;
+}
+
+void
+octave_rl_read_init_file (const char *f)
+{
+  if (f && *f)
+    rl_read_init_file (f);
+  else
+    rl_re_read_init_file ();
+}
+
+void
+octave_rl_set_basic_quote_characters (const char *s)
+{
+  static char *ss = 0;
+
+  if (ss)
+    {
+      free (ss);
+      ss = 0;
+    }
+
+  ss = malloc (strlen (s) + 1);
+
+  strcpy (ss, s);
+
+  rl_basic_quote_characters = ss;
+}
+
+void
+octave_rl_set_completion_append_character (char c)
+{
+  rl_completion_append_character = c;
+}
+
+void
+octave_rl_set_completion_function (rl_attempted_completion_fcn_ptr f)
+{
+  rl_attempted_completion_function = f;
+}
+
+void
+octave_rl_set_startup_hook (rl_startup_hook_fcn_ptr f)
+{
+  rl_startup_hook = (void *) f;
+}
+
+rl_startup_hook_fcn_ptr
+octave_rl_get_startup_hook (void)
+{
+  return (void *) rl_startup_hook;
+}
+
+void
+octave_rl_set_event_hook (rl_event_hook_fcn_ptr f)
+{
+  rl_event_hook = (void *) f;
+}
+
+rl_event_hook_fcn_ptr
+octave_rl_get_event_hook (void)
+{
+  return (void *) rl_event_hook;
+}
+
+char **
+octave_rl_completion_matches (const char *text, rl_completer_fcn_ptr f)
+{
+  return completion_matches (text, f);
+}
+
+char
+octave_rl_prompt_start_ignore (void)
+{
+  return RL_PROMPT_START_IGNORE;
+}
+
+char
+octave_rl_prompt_end_ignore (void)
+{
+  return RL_PROMPT_END_IGNORE;
+}
+
+void
+octave_rl_add_defun (const char *name, rl_fcn_ptr f, char key)
+{
+  rl_add_defun (name, f, key);
+}
+
+void
+octave_rl_set_terminal_name (const char *term)
+{
+  rl_terminal_name = (char *) term;
+}
+
+void
+octave_rl_initialize (void)
+{
+  rl_initialize ();
+}
+
+int
+octave_rl_history_search_forward (int count, int ignore)
+{
+  return rl_history_search_forward (count, ignore);
+}
+
+int
+octave_rl_history_search_backward (int count, int ignore)
+{
+  return rl_history_search_backward (count, ignore);
+}
+
+char
+octave_rl_ctrl (char c)
+{
+  return CTRL (c);
+}
+
+char
+octave_rl_meta (char c)
+{
+  return META (c);
+}
+
+#endif
+
+/*
+;;; Local Variables: ***
+;;; mode: C++ ***
+;;; End: ***
+*/