[m-rev.] for review: announce the addition of the edit_seq module

[Julien Fischer]

For review by Zoltan.

-----------------------

Announce the addition of the edit_seq module.

NEWS:
    As above.

Julien.

diff --git a/NEWS b/NEWS
index e18f499..b2bd9cf 100644
--- a/NEWS
+++ b/NEWS
@@ -275,6 +275,13 @@ Changes to the Mercury standard library
    efficient set implementation for fat sets. This module is a contribution
    from Yes Logic Pty. Ltd.

+### New Module: `edit_seq`
+
+* This module provides operations for computing and manipulating edit
+  sequences. Given two sequences of items, an edit sequence is the shortest
+  sequence of edit operations (deletes, inserts and/or replaces) that will
+  transform the first sequence into the second.
+
  ### New Module: `psqueue`

  * This module implements a priority search queue ADT.  This is a blend between