Log Message:-----------Add URL for:
* Consider automatic caching of statements at various levels:
> http://archives.postgresql.org/pgsql-hackers/2008-04/msg00823.php
Modified Files:-------------- pgsql/doc: TODO (r1.2415 -> r1.2416) (http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/doc/TODO?r1=1.2415&r2=1.2416) pgsql/doc/src/FAQ: TODO.html (r1.921 -> r1.922) (http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/doc/src/FAQ/TODO.html?r1=1.921&r2=1.922)