Log Message:
-----------
Reformat code examples in plpgsql docs for better readability in PDF output
Erik Rijkers
Modified Files:
--------------
pgsql/doc/src/sgml:
plpgsql.sgml (r1.152 -> r1.153)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/plpgsql.sgml?r1=1.152&r2=1.153)