Provide a simple generic indentation engine and use it for Prolog.

* emacs-lisp/smie.el: New file.
* progmodes/prolog.el (prolog-smie-op-levels)
(prolog-smie-indent-rules): New var.
(prolog-mode-variables): Use them to configure SMIE.
(prolog-indent-line, prolog-indent-level): Remove.

1 files changed, 2 insertions, 0 deletions

diff --git a/etc/NEWS b/etc/NEWS
index 715dc12c467..df68e42cd66 100644
--- a/etc/NEWS
+++ b/etc/NEWS
@@ -210,6 +210,8 @@ threads simultaneously.
 
 * New Modes and Packages in Emacs 24.1
 
+** smie.el is a package providing a simple generic indentation engine.
+
 ** secrets.el is an implementation of the Secret Service API, an
 interface to password managers like GNOME Keyring or KDE Wallet.  The
 Secret Service API requires D-Bus for communication.