Log Message:-----------Editorial improvements for GIN documentation.
Modified Files:-------------- pgsql/doc/src/sgml: gin.sgml (r2.6 -> r2.7) (http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/gin.sgml.diff?r1=2.6&r2=2.7) indices.sgml (r1.65 -> r1.66) (http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/indices.sgml.diff?r1=1.65&r2=1.66) xindex.sgml (r1.52 -> r1.53) (http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/xindex.sgml.diff?r1=1.52&r2=1.53)