Update Backups chapter of Lisp manual.

* doc/lispref/backups.texi (Making Backups): Mention default value of backup-directory-alist.
(Rename or Copy): Note that backup-by-copying-when-mismatch is t.
(Auto-Saving): New minor mode behavior for auto-save-mode.
(Reverting): Add defvar for revert-buffer-in-progress-p.

1 files changed, 11 insertions, 3 deletions

diff --git a/etc/NEWS b/etc/NEWS
index 85f70306a43..6074649b581 100644
--- a/etc/NEWS
+++ b/etc/NEWS
@@ -302,9 +302,9 @@ This requires Emacs to be linked with libselinux at build time.
 
 +++
 *** Emacs preserves the SELinux file context when backing up, and
-optionally when copying files. To this end, copy-file has an extra
-optional argument, and backup-buffer and friends include the SELinux
-context in their return values.
+optionally when copying files.  To this end, `copy-file' has an extra
+optional argument, and the return value of `backup-buffer' now
+includes the SELinux context.
 
 +++
 *** The new functions file-selinux-context and set-file-selinux-context
@@ -1019,6 +1019,14 @@ for buffers with dead inferior processes has been generalized.
 
 * Incompatible Lisp Changes in Emacs 24.1
 
++++
+** The return value of `backup-buffer' has changed.
+It is now a list of three elements, where the second element is a list
+describing the original file's SELinux context.  If Emacs or the
+system lacks SELinux cupport, the context list is (nil nil nil nil).
+See the "Basic SELinux support" entry under "Changes in Emacs 24.1",
+above.
+
 ---
 ** `char-direction-table' and the associated function `char-direction'
 were deleted.  They were buggy and inferior to the new support of