* doc/lispref/text.texi (Maintaining Undo): Mention interactive call of
buffer-disable-undo.
+2013-08-17 Xue Fuqiao <xfq.free@gmail.com>
+
+ * text.texi (Maintaining Undo): Mention interactive call of
+ buffer-disable-undo.
+
2013-08-16 Xue Fuqiao <xfq.free@gmail.com>
* text.texi (Insertion): Refine.
the undo list of @var{buffer-or-name} is already disabled, this function
has no effect.
-This function returns @code{nil}.
+In an interactive call, BUFFER-OR-NAME is the current buffer. You
+cannot specify any other buffer. This function returns @code{nil}.
@end deffn
As editing continues, undo lists get longer and longer. To prevent