lisp/ChangeLog: Update.

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

diff --git a/lisp/rect.el b/lisp/rect.el
index a7a863e..aceea33 100644 (file)
--- a/lisp/rect.el
+++ b/lisp/rect.el
@@ -1,7 +1,7 @@
 ;;; rect.el --- rectangle functions for GNU Emacs
 
 ;; Copyright (C) 1985, 1999, 2000, 2001, 2002, 2003, 2004
-;;   2005 Free Software Foundation, Inc.
+;;   2005, 2006, 2007, 2008 Free Software Foundation, Inc.
 
 ;; Maintainer: Didier Verna <didier@xemacs.org>
 ;; Keywords: internal
@@ -10,7 +10,7 @@
 
 ;; 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 2, or (at your option)
+;; the Free Software Foundation; either version 3, or (at your option)
 ;; any later version.
 
 ;; GNU Emacs is distributed in the hope that it will be useful,
@@ -141,8 +141,7 @@ the function is called."
       ;; else
       (setq pt (point))
       (move-to-column endcol t)
-      (setcdr lines (cons (buffer-substring pt (point)) (cdr lines)))
-      (delete-region pt (point)))
+      (setcdr lines (cons (filter-buffer-substring pt (point) t) (cdr lines))))
     ))
 
 ;; ### NOTE: this is actually the only function that needs to do complicated
@@ -182,12 +181,9 @@ the function is called."
 
 ;; this one is untouched --dv
 (defun spaces-string (n)
+  "Returns a string with N spaces."
   (if (<= n 8) (aref spaces-strings n)
-    (let ((val ""))
-      (while (> n 8)
-       (setq val (concat "        " val)
-             n (- n 8)))
-      (concat val (aref spaces-strings n)))))
+    (make-string n ? )))
 
 ;;;###autoload
 (defun delete-rectangle (start end &optional fill)
@@ -233,12 +229,22 @@ When called from a program the rectangle's corners are START and END.
 You might prefer to use `delete-extract-rectangle' from a program.
 
 With a prefix (or a FILL) argument, also fill lines where nothing has to be
-deleted."
-  (interactive "*r\nP")
-  (when buffer-read-only
-    (setq killed-rectangle (extract-rectangle start end))
-    (barf-if-buffer-read-only))
-  (setq killed-rectangle (delete-extract-rectangle start end fill)))
+deleted.
+
+If the buffer is read-only, Emacs will beep and refrain from deleting
+the rectangle, but put it in the kill ring anyway.  This means that
+you can use this command to copy text from a read-only buffer.
+\(If the variable `kill-read-only-ok' is non-nil, then this won't
+even beep.)"
+  (interactive "r\nP")
+  (condition-case nil
+      (setq killed-rectangle (delete-extract-rectangle start end fill))
+    ((buffer-read-only text-read-only)
+     (setq killed-rectangle (extract-rectangle start end))
+     (if kill-read-only-ok
+        (progn (message "Read only text copied to kill ring") nil)
+       (barf-if-buffer-read-only)
+       (signal 'text-read-only (list (current-buffer)))))))
 
 ;; this one is untouched --dv
 ;;;###autoload