Log Message:
-----------
Clarify the documentation about PL/Perl nested subroutines, per Josh
Berkus.
Modified Files:
--------------
pgsql/doc/src/sgml:
plperl.sgml (r2.69 -> r2.70)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/plperl.sgml?r1=2.69&r2=2.70)