Log Message:
-----------
Provide a bit more high-level documentation for the GEQO planner.
Per request from Luca Ferrari.
Modified Files:
--------------
pgsql/doc/src/sgml:
arch-dev.sgml (r2.29 -> r2.30)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/arch-dev.sgml.diff?r1=2.29&r2=2.30)
geqo.sgml (r1.39 -> r1.40)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/geqo.sgml.diff?r1=1.39&r2=1.40)