Add idea on auto-cluster:

< 	  store heap rows in hashed groups.
> 	  store heap rows in hashed groups, perhaps using a user-supplied
> 	  hash function.

Author: bmomjian

doc/TODO

@@ -5,7 +5,7 @@ TODO list for PostgreSQL
 Bracketed items "[]" have more detail.
 
 Current maintainer:	Bruce Momjian (pgman@candle.pha.pa.us)
-Last updated:		Wed Nov  3 14:27:54 EST 2004
+Last updated:		Wed Nov  3 14:37:57 EST 2004
 
 The most recent version of this document can be viewed at the PostgreSQL web
 site, http://www.PostgreSQL.org.
@@ -381,7 +381,8 @@ Commands
 	  paritally filled for easier reorganization.  Another idea would
           be to create a merged heap/index data file so an index lookup would
 	  automatically access the heap data too.  A third idea would be to
-	  store heap rows in hashed groups.
+	  store heap rows in hashed groups, perhaps using a user-supplied
+	  hash function.
 
 	o Add default clustering to system tables