Log Message:
-----------
Remove tabs in sgml.
Modified Files:
--------------
pgsql/doc/src/sgml:
plperl.sgml (r2.77 -> r2.78)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/plperl.sgml?r1=2.77&r2=2.78)