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<!--
-$PostgreSQL: pgsql/doc/src/sgml/gist.sgml,v 1.14 2003/11/29 19:51:37 pgsql Exp $
+$PostgreSQL: pgsql/doc/src/sgml/gist.sgml,v 1.15 2005/01/08 22:13:25 tgl Exp $
-->
-<chapter Id="GiST">
+<chapter id="GiST">
<title>GiST Indexes</title>
<sect1 id="intro">
<title>Introduction</title>
<para>
+ <indexterm>
+ <primary>index</primary>
+ <secondary>GiST</secondary>
+ </indexterm>
+ <indexterm>
+ <primary>GiST</primary>
+ <see>index</see>
+ </indexterm>
<acronym>GiST</acronym> stands for Generalized Search Tree. It is a
balanced, tree-structured access method, that acts as a base template in
which to implement arbitrary indexing schemes. B+-trees, R-trees and many