--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/lisp/ilisp/ilisp-cpat.el	Mon Aug 13 08:45:50 2007 +0200
@@ -0,0 +1,127 @@
+;;; -*- Mode: Emacs-Lisp -*-
+
+;;; ilisp-cpat.el --
+
+;;; This file is part of ILISP.
+;;; Version: 5.7
+;;;
+;;; Copyright (C) 1990, 1991, 1992, 1993 Chris McConnell
+;;;               1993, 1994 Ivan Vasquez
+;;;               1994, 1995 Marco Antoniotti and Rick Busdiecker
+;;;
+;;; Other authors' names for which this Copyright notice also holds
+;;; may appear later in this file.
+;;;
+;;; Send mail to 'ilisp-request@lehman.com' to be included in the
+;;; ILISP mailing list. 'ilisp@lehman.com' is the general ILISP
+;;; mailing list were bugs and improvements are discussed.
+;;;
+;;; ILISP is freely redistributable under the terms found in the file
+;;; COPYING.
+
+
+
+;;;
+;;;
+;;; Compatability between GNU emacs 18, 19, and Lucid emacs 19.
+;;;
+;;;
+(defconst ilisp-emacs-version-id
+  (cond ((string-match "Lucid" emacs-version)
+	 (if (string-match "^19.[0-7][^0-9]" emacs-version)
+	     'lucid-19
+	   'lucid-19-new))
+	((string-match "^19" emacs-version)
+	 'gnu-19)
+	(t 'gnu-18))
+  "What version of emacs we are running.")
+
+
+;; Hook stuff--this should really be a part of emacs-lisp anyway
+      
+(defun ilisp-member (elt list)
+  (let ((result nil))
+    (while list
+      (cond ((equal elt (car list))
+	     (setq result list
+		   list nil))
+	    (t
+	     (setq list (cdr list)))))
+    result))
+	
+
+(defun ilisp-add-hook (hook function)
+  "Arguments are HOOK and FUNCTION. Add FUNCTION to HOOK's list.
+FUNCTION is not added if it's already on the list."
+  (set hook
+       (if (boundp hook)
+	   (let ((value (symbol-value hook)))
+	     (if (and value (or (not (consp value)) (eq (car value) 'lambda)))
+		 (setq value (cons value nil)))
+	     (if (not (ilisp-member function value))
+		 (setq value (append value (list function))))
+	     value)
+	 (list function))))
+
+(if (not (fboundp 'add-hook))
+    (fset 'add-hook 'ilisp-add-hook))
+
+
+;;; 'ilisp-where-is' has been moved (and corrected) to ilisp-key.el.
+
+;;;
+;;; COMINT 
+;;;
+;;; GNU, Lucid and 18 use different versions of comint with
+;;; incompatible interface variables and functions.  Hooray.
+;;;
+
+;; Some very old COMINT versions are missing these.
+(if (not (boundp 'comint-input-chunk-size))
+    (setq comint-input-chunk-size 512))
+(if (not (boundp 'comint-ptyp))
+    (setq comint-ptyp t))
+
+
+(defun ilisp-get-input-ring ()
+  "Use instead of get-input-ring coming-input-ring or input-ring."
+  (cond ((eq ilisp-emacs-version-id 'lucid-19)
+	 (get-input-ring))
+	((or (eq ilisp-emacs-version-id 'gnu-19)
+	     (eq ilisp-emacs-version-id 'lucid-19-new))
+	 comint-input-ring)
+	(t input-ring)))
+
+(defun ilisp-ring-insert (ring input)
+  (if (eq ilisp-emacs-version-id 'lucid-19)
+      (ring-insert-new ring input)
+      (ring-insert ring input)))
+
+(defun ilisp-temp-buffer-show-function ()
+  (if (eq ilisp-emacs-version-id 'gnu-18) 
+      temp-buffer-show-hook
+    temp-buffer-show-function))
+
+(defun ilisp-input-ring-index ()
+  (if (or (eq ilisp-emacs-version-id 'gnu-19)
+	  (eq ilisp-emacs-version-id 'lucid-19-new))
+      comint-input-ring-index
+    input-ring-index))
+
+(defun set-ilisp-input-ring-index (n)
+  (if (or (eq ilisp-emacs-version-id 'gnu-19)
+	  (eq ilisp-emacs-version-id 'lucid-19-new))
+      (setq comint-input-ring-index n)
+    (setq input-ring-index n)))
+
+(defun ilisp-input-ring-size ()
+  (if (or (eq ilisp-emacs-version-id 'gnu-19)
+	  (eq ilisp-emacs-version-id 'lucid-19-new))
+      comint-input-ring-size
+    input-ring-size))
+
+(defun set-ilisp-input-ring-size (n)
+  (if (or (eq ilisp-emacs-version-id 'gnu-19)
+	  (eq ilisp-emacs-version-id 'lucid-19-new))
+      (setq comint-input-ring-size n)
+    (setq input-ring-size n)))