Directory-local variables are already documented.

diff --git a/etc/NEWS b/etc/NEWS
index c0951df..7743939 100644 (file)
--- a/etc/NEWS
+++ b/etc/NEWS
@@ -254,6 +254,7 @@ Set `delete-by-moving-to-trash' non-nil to use this.  Deleted files
 and directories will then be sent to the Recyle Bin on Windows, and
 to `trash-directory' on other systems.
 
++++
 ** Directory-local variables can now be defined.
 By default, Emacs looks in .dir-settings.el for directory-local
 variables.  For more information, see `set-directory-project' and