From 083210a6d6d05c8701f39a9f3e527077e0f9360d Mon Sep 17 00:00:00 2001
From: tomo <tomo>
Date: Thu, 29 Jul 1999 07:33:46 +0000
Subject: [PATCH] (insert-file-contents): fixed.

---
 lisp/code-files.el |   44 +++++++++++++++++++++++++-------------------
 1 file changed, 25 insertions(+), 19 deletions(-)

diff --git a/lisp/code-files.el b/lisp/code-files.el
index ab5fd15..3a014ad 100644
--- a/lisp/code-files.el
+++ b/lisp/code-files.el
@@ -393,7 +393,7 @@ for reading.
 See also `insert-file-contents-access-hook',
 `insert-file-contents-pre-hook', `insert-file-contents-error-hook',
 and `insert-file-contents-post-hook'."
-  (let (return-val coding-system cs used-codesys)
+  (let (return-val coding-system cs used-codesys p)
     ;; OK, first load the file.
     (condition-case err
 	(progn
@@ -422,24 +422,30 @@ and `insert-file-contents-post-hook'."
 		   "Invalid coding-system (%s), using 'undecided"
 		   coding-system)
 		  (setq coding-system 'undecided)))
-	    (save-restriction
-	      (narrow-to-region (point)(point))
-	      (setq return-val
-		    (insert-file-contents-internal filename visit beg end
-						   replace coding-system
-						   ;; store here!
-						   'used-codesys))
-	      (or coding-system-for-read
-		  (null (setq cs (find-coding-system-magic-cookie)))
-		  (eq cs coding-system)
-		  (progn
-		    (delete-region (point-min)(point-max))
-		    (setq return-val
-			  (insert-file-contents-internal
-			   filename visit beg end
-			   replace cs
-			   ;; store here!
-			   'used-codesys)))))
+	    (setq p (point))
+	    (setq return-val
+		  (insert-file-contents-internal filename visit beg end
+						 (and coding-system-for-read
+						      replace)
+						 coding-system
+						 ;; store here!
+						 'used-codesys))
+	    (unless coding-system-for-read
+	      (if (or (null (setq cs (find-coding-system-magic-cookie)))
+		      (eq cs used-codesys)
+		      (eq cs (coding-system-name
+			      (coding-system-base used-codesys))))
+		  (if replace
+		      (let* ((len (nth 1 return-val))
+			     (end (+ p len)))
+			(delete-region end (+ end len))))
+		(delete-region p (+ p (nth 1 return-val)))
+		(setq return-val
+		      (insert-file-contents-internal
+		       filename visit beg end
+		       replace cs
+		       ;; store here!
+		       'used-codesys))))
 	    ))
       (file-error
        (run-hook-with-args 'insert-file-contents-error-hook
-- 
1.7.10.4