(Current Buffer): Document that with-temp-buffer disables undo.

1 files changed, 3 insertions, 1 deletions

diff --git a/lispref/buffers.texi b/lispref/buffers.texi
index 9257fb54fb..8e680f0708 100644
--- a/lispref/buffers.texi
+++ b/lispref/buffers.texi
@@ -233,7 +233,9 @@ The @code{with-temp-buffer} macro evaluates the @var{body} forms
 with a temporary buffer as the current buffer.  It saves the identity of
 the current buffer, creates a temporary buffer and makes it current,
 evaluates the @var{body} forms, and finally restores the previous
-current buffer while killing the temporary buffer.
+current buffer while killing the temporary buffer.  By default, undo
+information (@pxref{Undo}) is not recorded in the buffer created by
+this macro (but @var{body} can enable that, if needed).
 
 The return value is the value of the last form in @var{body}.  You can
 return the contents of the temporary buffer by using