; Document recent change to diff-apply-buffer

* doc/emacs/files.texi (Diff Mode):
* etc/NEWS: Document diff-apply-buffer considering an active
region and its new prefix argument.

(cherry picked from commit 9838b88c2e154fd4a319e06612b385f20c286177)

diff --git a/doc/emacs/files.texi b/doc/emacs/files.texi
index 0d03e84a60d120c303aed88ec108fe3ef492813b..d2889efc9d3df3b1893de86ed363385f63e985d1 100644 (file)
--- a/doc/emacs/files.texi
+++ b/doc/emacs/files.texi
@@ -1782,7 +1782,9 @@ confirm you really want to revert and kill the hunk.  You can customize
 @findex diff-apply-buffer
 @item C-c @key{RET} a
 Apply all the hunks in the buffer (@code{diff-apply-buffer}).  If the
-diffs were applied successfully, save the changed buffers.
+region is active, apply all hunks that the region overlaps; otherwise,
+apply all hunks.  With a prefix argument, reverse-apply the hunks.
+If the diffs were applied successfully, save the changed buffers.
 
 @findex diff-delete-other-hunks
 @item C-c @key{RET} n