update readme.nt

doc/README.NT

@@ -54,5 +54,11 @@ appears to have some problems with locking.
 
 Joost
 
+[Added by bjm]
 
+By default, PostgreSQL clients like psql communicate by default using
+unix domain sockets, which don't work on NT.  Start the postmaster with
+-i, and when connecting to the database from a client, set the PGHOST
+environment variable to 'localhost' or supply the hostname on the
+command line.
 

doc/TODO

@@ -47,7 +47,7 @@ MISC
 
 * User who can create databases can modify pg_database table
 * Plpgsql does not handle quoted mixed-case identifiers
-* Allow index on tuple greater than 1/2 block size
+* Fix btree to give a useful elog when key > 1/2 (page - overhead)
 
 ENHANCEMENTS
 ------------