ERC: Do not include text properties when returning user input.

lisp/erc/ChangeLog

+2009-01-03  Michael Olson  <mwolson@gnu.org>
+
+	* erc.el (erc-user-input): Do not include text properties when
+	returning user input.
+
 2008-11-19  Andy Stewart  <lazycat.manatee@gmail.com>
 
 	* erc.el (erc-header-line-uses-tabbar-p): New option that makes

lisp/erc/erc.el

@@ -5097,7 +5097,7 @@ Specifically, return the position of `erc-insert-marker'."
 
 (defun erc-user-input ()
   "Return the input of the user in the current buffer."
-  (buffer-substring
+  (buffer-substring-no-properties
    erc-input-marker
    (erc-end-of-input-line)))