[m-dev.] diff: update NEWS file for MLDS trailing, etc.

[Fergus Henderson]

NEWS:
	Update to reflect recent improvements in the MLDS back-end.

Workspace: /home/pgrad/fjh/ws/hg3
Index: NEWS
===================================================================
RCS file: /home/mercury1/repository/mercury/NEWS,v
retrieving revision 1.182
diff -u -d -r1.182 NEWS
--- NEWS	2000/12/13 00:00:09	1.182
+++ NEWS	2000/12/14 05:24:46
@@ -164,22 +164,21 @@
   are likely to be smaller (though this will depend on the platform,
   optimization options, etc.).  Speed of the generated code varies:
   sometimes it is better than the old back-end, sometimes it is worse.
-  There are a few important optimizations that we have not yet
+  There are a few optimizations that we have not yet
   implemented for the new back-end that would make a significant
   difference for some applications.  But we encourage those for whom
   performance is important to try their application with both the old
   and new back-ends and compare for themselves.
 
-  The new back-end is not yet as mature or complete as the old back-end.
+  The new back-end is not yet quite as mature or complete as the old back-end.
   It does not yet support the following standard Mercury features:
   	- abstractly exported equivalence types defined as `float'
 	- calling compare/3, or the `in = in' mode of unification,
-	  for certain standard library types (array__array/1,
-	  std_util__type_desc/0, and std_util__type_ctor_desc/0).
+	  for certain standard library types (std_util__type_desc/0,
+	  and std_util__type_ctor_desc/0).
 	- calling copy/2 on higher-order terms
   It also does not support the following implemention-specific
   features that the old back-end supports:
-	- trailing
 	- fact tables
   	- the Mercury debugger (mdb)
   	- the Morphine trace analysis system

-- 
Fergus Henderson <fjh at cs.mu.oz.au>  |  "I have always known that the pursuit
                                    |  of excellence is a lethal habit"
WWW: <http://www.cs.mu.oz.au/~fjh>  |     -- the last words of T. S. Garp.
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