Log Message:
-----------
Add documentation about the behavior of BEFORE triggers and referential
integrity actions.
Stephan Szabo
Modified Files:
--------------
pgsql/doc/src/sgml/ref:
create_trigger.sgml (r1.42 -> r1.43)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/ref/create_trigger.sgml.diff?r1=1.42&r2=1.43)