It looks like it was prepared to be displayed as a new line, but the line break is missing.
pgAdmin 4 CREATE CONSTRAINT TRIGGER aaa_aid_trigger AFTER INSERT OR DELETE ON bbb.aaa DEFERRABLE INITIALLY DEFERRED FOR EACH ROW WHEN (("ccc"() = 'ddd'::name)) EXECUTE PROCEDURE bbb.eee(); pgAdmin III CREATE CONSTRAINT TRIGGER aaa_aid_trigger AFTER INSERT OR DELETE ON bbb.aaa DEFERRABLE INITIALLY DEFERRED FOR EACH ROW WHEN (("ccc"() = 'ddd'::name)) EXECUTE PROCEDURE bbb.eee(); pgAdmin 4 v1.5 Desktop Runtime Windows 10 x64 1511