More single-quote fixes.

doc/src/sgml/plperl.sgml

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-$Header: /cvsroot/pgsql/doc/src/sgml/plperl.sgml,v 2.3 2000/03/31 06:17:21 thomas Exp $
+$Header: /cvsroot/pgsql/doc/src/sgml/plperl.sgml,v 2.4 2000/05/09 18:30:43 momjian Exp $
 -->
 
  <chapter id="pl-perl">
@@ -101,7 +101,7 @@ SELECT name, totalcomp(basesalary, bonus) from employee
     <programlisting>
 CREATE FUNCTION empcomp(employee) returns int4
     AS 'my $emp = shift;
-        return $emp->{'basesalary'} + $emp->{'bonus'};'
+        return $emp->{''basesalary''} + $emp->{''bonus''};'
     LANGUAGE 'plperl';
     </programlisting>
     A tuple is passed as a reference to hash. The keys are the names of