Log Message:
-----------
Document how to control the disk write cache on Solaris.
Zdenek Kotala
Modified Files:
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pgsql/doc/src/sgml:
wal.sgml (r1.51 -> r1.52)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/wal.sgml?r1=1.51&r2=1.52)