Add `permanent-local-hook'.

diff --git a/etc/NEWS b/etc/NEWS
index 87822ef0d8505ad12d160b0240cac3d1a612fa29..22e896db16cac4061082c6b0ec76f301b35274d8 100644 (file)
--- a/etc/NEWS
+++ b/etc/NEWS
@@ -440,6 +440,11 @@ search and match primitives from changing the match data.
 ** New function `match-substitute-replacement' returns the result of
 `replace-match' without actually using it in the buffer.
 
+** If a local hook function has a non-nil `permanent-local-hook'
+property, then `kill-all-local-variables' does not remove it from
+the local value of the hook variable.  This means it remains
+even if you change major modes.
+
 +++
 ** A list of default values can be specified for the DEFAULT argument of
 functions `read-from-minibuffer', `read-string', `read-command',