; Added documentation for undo-auto functionality.

 * doc/lispref/text.texi: Documentation added
 * etc/NEWS: Annoucement added
 * lisp/simple.el (undo-auto--amalgamate): Docstring fix.

1 files changed, 5 insertions, 1 deletions

diff --git a/etc/NEWS b/etc/NEWS
index 117be559192..0e38db6544d 100644
--- a/etc/NEWS
+++ b/etc/NEWS
@@ -262,7 +262,11 @@ at configure time.
 ** M-x suggests shorthands and ignores obsolete commands for completion.
 
 ** Successive single-char deletions are collapsed in the undo-log just like
-successive char insertions.
+successive char insertions. This behaviour can be extended to other
+commands, using the `undo-auto--amalgamate' function.
+
+** The heuristic used to insert `undo-boundary' after each command has changed,
+so that it supports commands which potentially affect multiple buffers.
 
 +++
 ** New command `comment-line' bound to `C-x C-;'.