-<!-- $Header: /cvsroot/pgsql/doc/src/sgml/installation.sgml,v 1.129 2003/03/13 01:30:28 petere Exp $ -->
+<!-- $Header: /cvsroot/pgsql/doc/src/sgml/installation.sgml,v 1.130 2003/03/25 14:58:15 momjian Exp $ -->
<chapter id="installation">
<title><![%standalone-include[<productname>PostgreSQL</>]]>
are needed to build a CVS checkout or if you changed the actual
scanner and parser definition files. If you need them, be sure
to get <application>Flex</> 2.5.4 or later and
- <application>Bison</> 1.50 or later. Other <application>yacc</>
+ <application>Bison</> 1.85 or later. Other <application>yacc</>
programs can sometimes be used, but doing so requires extra
effort and is not recommended. Other <application>lex</>
programs will definitely not work.