(List Motion): beginning-of-defun-function can now accept an argument.

doc/lispref/ChangeLog

@@ -1,5 +1,8 @@
 2008-10-15  Eli Zaretskii  <eliz@gnu.org>
 
+	* positions.texi (List Motion): beginning-of-defun-function can
+	now accept an argument.
+
 	* text.texi (Low-Level Kill Ring): interprogram-paste-function can
 	now return a list of strings.
 

doc/lispref/positions.texi

@@ -737,7 +737,10 @@ The default is @code{t}.
 @defvar beginning-of-defun-function
 If non-@code{nil}, this variable holds a function for finding the
 beginning of a defun.  The function @code{beginning-of-defun}
-calls this function instead of using its normal method.
+calls this function instead of using its normal method, passing it its
+optional argument.  If the argument is non-@code{nil}, the function
+should move back by that many functions, like
+@code{beginning-of-defun} does.
 @end defvar
 
 @defvar end-of-defun-function

etc/NEWS

@@ -1148,6 +1148,7 @@ like this:
 +++
 ** clone-indirect-buffer now runs the clone-indirect-buffer-hook.
 
++++
 ** `beginning-of-defun-function' now takes one argument, the count
 given to `beginning-of-defun'.