(iswitchb-exhibit): Extract user-input only

from the mini-buffer, without the prompt.

lisp/ChangeLog

 1999-10-17  Gerd Moellmann  <gerd@gnu.org>
 
+	* iswitchb.el (iswitchb-exhibit): Extract user-input only
+	from the mini-buffer, without the prompt.
+	
 	* simple.el (minibuffer-prompt-end): Return the position
 	after the prompt, not the position of that last character
 	of the prompt.

lisp/iswitchb.el

@@ -1065,7 +1065,7 @@ Copied from `icomplete-exhibit' with two changes:
 2. It calls my completion routine rather than the standard completion."
 
   (if iswitchb-use-mycompletion
-      (let ((contents (buffer-string))
+      (let ((contents (buffer-substring (minibuffer-prompt-end) (point-max)))
 	    (buffer-undo-list t))
 	(save-excursion
 	  (goto-char (point-max))