X-Git-Url: http://git.hcoop.net/bpt/emacs.git/blobdiff_plain/086add1519b5c5a69a1a35aadbfd4d7cc6a2b294..0b01facaa26b182854259fb7a08a255fe8cc364a:/lisp/rect.el

diff --git a/lisp/rect.el b/lisp/rect.el
index 08b601c050..9515733ef2 100644
--- a/lisp/rect.el
+++ b/lisp/rect.el
@@ -1,6 +1,7 @@
 ;;; rect.el --- rectangle functions for GNU Emacs
 
-;; Copyright (C) 1985, 1999, 2000, 2001 Free Software Foundation, Inc.
+;; Copyright (C) 1985, 1999, 2000, 2001, 2002, 2003, 2004
+;;   2005, 2006 Free Software Foundation, Inc.
 
 ;; Maintainer: Didier Verna <didier@xemacs.org>
 ;; Keywords: internal
@@ -140,8 +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
@@ -181,12 +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)
@@ -232,12 +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
@@ -331,7 +338,7 @@ Called from a program, takes three args; START, END and STRING."
 	  (list
 	   (region-beginning)
 	   (region-end)
-	   (read-string (format "String rectangle (default `%s'): "
+	   (read-string (format "String rectangle (default %s): "
 				(or (car string-rectangle-history) ""))
 			nil 'string-rectangle-history
 			(car string-rectangle-history)))))
@@ -352,7 +359,7 @@ This command does not delete or overwrite any existing text."
 	  (list
 	   (region-beginning)
 	   (region-end)
-	   (read-string (format "String insert rectangle (default `%s'): "
+	   (read-string (format "String insert rectangle (default %s): "
 				(or (car string-rectangle-history) ""))
 			nil 'string-rectangle-history
 			(car string-rectangle-history)))))