(Info-summary): Clear buffer-read-only.

[bpt/emacs.git] / lisp / xscheme.el

diff --git a/lisp/xscheme.el b/lisp/xscheme.el
index 0fb795d..0579277 100644 (file)
--- a/lisp/xscheme.el
+++ b/lisp/xscheme.el
@@ -1,11 +1,15 @@
-;; Run Scheme under Emacs
+;;; xscheme.el --- run Scheme under Emacs
+
 ;; Copyright (C) 1986, 1987, 1989, 1990 Free Software Foundation, Inc.
 
+;; Maintainer: FSF
+;; Keywords: languages, lisp
+
 ;; This file is part of GNU Emacs.
 
 ;; GNU Emacs 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 1, or (at your option)
+;; the Free Software Foundation; either version 2, or (at your option)
 ;; any later version.
 
 ;; GNU Emacs is distributed in the hope that it will be useful,
@@ -14,13 +18,18 @@
 ;; GNU General Public License for more details.
 
 ;; You should have received a copy of the GNU General Public License
-;; along with GNU Emacs; see the file COPYING.  If not, write to
-;; the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
+;; along with GNU Emacs; see the file COPYING.  If not, write to the
+;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+;; Boston, MA 02111-1307, USA.
+
+;;; Commentary:
 
-;;; Requires C-Scheme release 5 or later
-;;; Changes to Control-G handler require runtime version 13.85 or later
+;; A major mode for editing Scheme and interacting with MIT's C-Scheme.
+;;
+;; Requires C-Scheme release 5 or later
+;; Changes to Control-G handler require runtime version 13.85 or later
 
-;;; $Header: xscheme.el,v 1.26 90/09/11 01:51:20 GMT cph Exp $
+;;; Code:
 
 (require 'scheme)
 \f
@@ -69,9 +78,8 @@ Is processed with `substitute-command-keys' first.")
 (xscheme-evaluation-commands scheme-mode-map)
 (xscheme-interrupt-commands scheme-mode-map)
 \f
-;;;###autoload
 (defun run-scheme (command-line)
-  "Run an inferior Scheme process.
+  "Run MIT Scheme in an inferior process.
 Output goes to the buffer `*scheme*'.
 With argument, asks for a command line."
   (interactive
@@ -82,7 +90,7 @@ With argument, asks for a command line."
               (read-string "Run Scheme: " default)
               default))))
   (setq xscheme-process-command-line command-line)
-  (switch-to-buffer (xscheme-start-process command-line)))
+  (pop-to-buffer (xscheme-start-process command-line)))
 
 (defun reset-scheme ()
   "Reset the Scheme process."
@@ -449,8 +457,8 @@ waiting for input.  Otherwise, it is busy evaluating something.")
 
 (defconst xscheme-control-g-synchronization-p t
   "If non-nil, insert markers in the scheme input stream to indicate when
-control-g interrupts were signalled.  Do not allow more control-g's to be
-signalled until the scheme process acknowledges receipt.")
+control-g interrupts were signaled.  Do not allow more control-g's to be
+signaled until the scheme process acknowledges receipt.")
 
 (defvar xscheme-control-g-disabled-p nil
   "This variable, if non-nil, indicates that a control-g is being processed
@@ -667,12 +675,7 @@ When called, the current buffer will be the Scheme process-buffer.")
 
 (defun xscheme-set-runlight (runlight)
   (setq xscheme-runlight-string runlight)
-  (xscheme-modeline-redisplay))
-
-(defun xscheme-modeline-redisplay ()
-  (save-excursion (set-buffer (other-buffer)))
-  (set-buffer-modified-p (buffer-modified-p))
-  (sit-for 0))
+  (force-mode-line-update t))
 \f
 ;;;; Process Filter Operations
 
@@ -804,7 +807,7 @@ the remaining input.")
   (setq xscheme-prompt string)
   (xscheme-guarantee-newlines 2)
   (setq xscheme-mode-string (xscheme-coerce-prompt string))
-  (xscheme-modeline-redisplay))
+  (force-mode-line-update t))
 
 (defun xscheme-output-goto ()
   (xscheme-goto-output-point)
@@ -869,3 +872,7 @@ the remaining input.")
                   (let ((state (parse-partial-sexp start (nth 2 state))))
                     (if (nth 2 state) 'many 'one)))))
        (set-syntax-table old-syntax-table)))))
+
+(provide 'xscheme)
+
+;;; xscheme.el ends here