diff options
Diffstat (limited to 'lispref/buffers.texi')
| -rw-r--r-- | lispref/buffers.texi | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/lispref/buffers.texi b/lispref/buffers.texi index c0eb2ee6664..55e41e6b3e5 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 @@ -257,6 +259,8 @@ sort, and an error is signaled if it is neither a string nor a buffer. Any argument called @var{buffer} must be an actual buffer object, not a name. +@cindex hidden buffers +@cindex buffers without undo information Buffers that are ephemeral and generally uninteresting to the user have names starting with a space, so that the @code{list-buffers} and @code{buffer-menu} commands don't mention them (but if such a buffer @@ -908,8 +912,9 @@ nor a buffer. @end example The major mode for a newly created buffer is set to Fundamental mode. -The variable @code{default-major-mode} is handled at a higher level. -@xref{Auto Major Mode}. +(The variable @code{default-major-mode} is handled at a higher level; +see @ref{Auto Major Mode}.) If the name begins with a space, the +buffer initially disables undo information recording (@pxref{Undo}). @end defun @defun generate-new-buffer name |