11<!--
2- $Header: /cvsroot/pgsql/doc/src/sgml/history.sgml,v 1.16 2001/11/08 23:34:33 petere Exp $
2+ $Header: /cvsroot/pgsql/doc/src/sgml/history.sgml,v 1.17 2001/11/23 22:06:20 tgl Exp $
33-->
44
55<sect1 id="history">
@@ -42,8 +42,8 @@ $Header: /cvsroot/pgsql/doc/src/sgml/history.sgml,v 1.16 2001/11/08 23:34:33 pet
4242 <productname>Postgres</productname> has undergone several major releases since
4343 then. The first <quote>demoware</quote> system became operational
4444 in 1987 and was shown at the 1988 <acronym>ACM-SIGMOD</acronym>
45- Conference.We released Version 1, described in
46- <xref linkend="STON90a">,
45+ Conference. Version 1, described in
46+ <xref linkend="STON90a">, was released
4747 to a few external users in June 1989. In response to a
4848 critique of the first rule system
4949 (<xref linkend="STON89">),
@@ -54,7 +54,7 @@ $Header: /cvsroot/pgsql/doc/src/sgml/history.sgml,v 1.16 2001/11/08 23:34:33 pet
5454 released in June 1990 with the new rule system.
5555 Version 3 appeared in 1991 and added support for multiple
5656 storage managers, an improved query executor, and a
57- rewritten rewrite rule system. For the most part,
57+ rewritten rewrite rule system. For the most part, subsequent
5858 releases until <productname>Postgres95</productname> (see below)
5959 focused on portability and reliability.
6060 </para>
@@ -87,7 +87,8 @@ $Header: /cvsroot/pgsql/doc/src/sgml/history.sgml,v 1.16 2001/11/08 23:34:33 pet
8787 obvious that maintenance of the prototype code and
8888 support was taking up large amounts of time that should
8989 have been devoted to database research. In an effort
90- to reduce this support burden, the project officially
90+ to reduce this support burden, the Berkeley
91+ <productname>Postgres</productname> project officially
9192 ended with Version 4.2.
9293 </para>
9394 </sect2>