Update section on SQL syntax. (Still a lot to be done though.) Add

appendix with comprehensive list of key words.

doc/src/sgml/datetime.sgml

 <!--
-$Header: /cvsroot/pgsql/doc/src/sgml/datetime.sgml,v 2.15 2000/12/22 21:51:57 petere Exp $
+$Header: /cvsroot/pgsql/doc/src/sgml/datetime.sgml,v 2.16 2001/01/06 11:58:55 petere Exp $
 Date/time details
 -->
 
-<appendix label="UG1" id="datetime-appendix">
+<appendix id="datetime-appendix">
  <title id="datetime-appendix-title">Date/Time Support</title>
 
  <sect1 id="timezones">

doc/src/sgml/filelist.sgml

-<!-- $Header: /cvsroot/pgsql/doc/src/sgml/filelist.sgml,v 1.3 2000/12/16 02:29:36 tgl Exp $ -->
+<!-- $Header: /cvsroot/pgsql/doc/src/sgml/filelist.sgml,v 1.4 2001/01/06 11:58:56 petere Exp $ -->
 
 <!entity about      SYSTEM "about.sgml">
 <!entity history    SYSTEM "history.sgml">
@@ -35,6 +35,7 @@
 <!entity storage    SYSTEM "storage.sgml">
 <!entity syntax     SYSTEM "syntax.sgml">
 <!entity typeconv   SYSTEM "typeconv.sgml">
+<!entity keywords   SYSTEM "keywords.sgml">
 
 <!-- reference pages -->
 <!entity % allfiles   SYSTEM "ref/allfiles.sgml">

doc/src/sgml/user.sgml

 <!--
-$Header: /cvsroot/pgsql/doc/src/sgml/Attic/user.sgml,v 1.22 2000/12/16 02:29:36 tgl Exp $
+$Header: /cvsroot/pgsql/doc/src/sgml/Attic/user.sgml,v 1.23 2001/01/06 11:58:56 petere Exp $
 -->
 
 <book id="user">
@@ -62,6 +62,7 @@ $Header: /cvsroot/pgsql/doc/src/sgml/Attic/user.sgml,v 1.22 2000/12/16 02:29:36
  <!-- appendices -->
 
  &datetime;
+ &keywords;
 
  &biblio;