-<!-- $PostgreSQL: pgsql/doc/src/sgml/plpgsql.sgml,v 1.119 2007/11/28 20:13:06 momjian Exp $ -->
+<!-- $PostgreSQL: pgsql/doc/src/sgml/plpgsql.sgml,v 1.120 2007/11/28 20:56:35 momjian Exp $ -->
<chapter id="plpgsql">
<title><application>PL/pgSQL</application> - <acronym>SQL</acronym> Procedural Language</title>
</para>
<para>
- <application>PL/pgSQL</> functions can also be declared to return
- a <quote>set</>, or table. Such a function generates its output by
- executing <command>RETURN NEXT</> for each desired element of the result
- set, or by using <command>RETURN QUERY</> to output the result of
+ <application>PL/pgSQL</> functions can also be declared to return a
+ group of values, either as a single row, or a group of rows, like a
+ table. Such a function generates its output by executing
+ <command>RETURN NEXT</> for each desired element of the result set,
+ or by using <command>RETURN QUERY</> to output the result of
evaluating a query.
</para>