Log Message:-----------Update interval documenation to mention the storage system used.
Tags:----REL8_1_STABLE
Modified Files:-------------- pgsql/doc/src/sgml: datatype.sgml (r1.163 -> r1.163.2.1) (http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/datatype.sgml.diff?r1=1.163&r2=1.163.2.1)
