Log Message:
-----------
Add:
> * Research storing only active XIDs in subtransaction cache
Modified Files:
--------------
pgsql/doc:
TODO (r1.1978 -> r1.1979)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/TODO.diff?r1=1.1978&r2=1.1979)
pgsql/doc/src/FAQ:
TODO.html (r1.480 -> r1.481)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/FAQ/TODO.html.diff?r1=1.480&r2=1.481)