New shell for the to be written CHECKPOINT documentation, so the summary

shows up in psql now.

doc/src/sgml/ref/allfiles.sgml

 <!--
-$Header: /cvsroot/pgsql/doc/src/sgml/ref/allfiles.sgml,v 1.26 2000/11/24 20:16:38 petere Exp $
+$Header: /cvsroot/pgsql/doc/src/sgml/ref/allfiles.sgml,v 1.27 2001/01/13 03:11:12 petere Exp $
 Postgres documentation
 Complete list of usable sgml source files in this directory.
 -->
@@ -41,6 +41,7 @@ Complete list of usable sgml source files in this directory.
 <!entity alterTable         system "alter_table.sgml">
 <!entity alterUser          system "alter_user.sgml">
 <!entity begin              system "begin.sgml">
+<!entity checkpoint         system "checkpoint.sgml">
 <!entity close              system "close.sgml">
 <!entity cluster            system "cluster.sgml">
 <!entity commentOn          system "comment.sgml">

doc/src/sgml/ref/checkpoint.sgml

+<!-- $Header: /cvsroot/pgsql/doc/src/sgml/ref/checkpoint.sgml,v 1.1 2001/01/13 03:11:12 petere Exp $ -->
+
+<refentry id="sql-checkpoint">
+ <docinfo>
+  <date>2001-01-13</date>
+ </docinfo>
+
+ <refmeta>
+  <refentrytitle id="sql-checkpoint-title">CHECKPOINT</refentrytitle>
+  <refmiscinfo>SQL - Language Statements</refmiscinfo>
+ </refmeta>
+
+ <refnamediv>
+  <refname>CHECKPOINT</refname>
+  <refpurpose>Force transaction log to disk</refpurpose>
+ </refnamediv>
+
+ <refsynopsisdiv>
+<synopsis>
+CHECKPOINT
+</synopsis>
+ </refsynopsisdiv>
+
+ <refsect1>
+  <title>Description</title>
+
+  <para>
+   This documentation needs to be written.
+  </para>
+ </refsect1>
+
+ <refsect1>
+  <title>See Also</title>
+
+  <para>
+   <citetitle>PostgreSQL Administrator's Guide</citetitle>
+  </para>
+ </refsect1>
+
+ <refsect1>
+  <title>Compatibility</title>
+
+  <para>
+   The <command>CHECKPOINT</command> command is a
+   <productname>PostgreSQL</productname> language extension.
+  </para>
+ </refsect1>
+</refentry>

doc/src/sgml/reference.sgml

 <!-- reference.sgml
-$Header: /cvsroot/pgsql/doc/src/sgml/reference.sgml,v 1.11 2000/12/25 23:15:26 petere Exp $
+$Header: /cvsroot/pgsql/doc/src/sgml/reference.sgml,v 1.12 2001/01/13 03:11:12 petere Exp $
 
 PostgreSQL Reference Manual
 -->
@@ -33,6 +33,7 @@ PostgreSQL Reference Manual
    &alterTable;
    &alterUser;
    &begin;
+   &checkpoint;
    &close;
    &cluster;
    &commentOn;