Log Message:
-----------
Improvements to the SGML docs for TRUNCATE and CLUSTER.
Modified Files:
--------------
pgsql/doc/src/sgml/ref:
cluster.sgml (r1.42 -> r1.43)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/ref/cluster.sgml.diff?r1=1.42&r2=1.43)
truncate.sgml (r1.23 -> r1.24)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/ref/truncate.sgml.diff?r1=1.23&r2=1.24)