Log Message:-----------empty sompound statement support
sql/psm know empty BEGIN END block
Modified Files:-------------- plpgpsm/src: gram.y (r1.12 -> r1.13) (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/plpsm/plpgpsm/src/gram.y.diff?r1=1.12&r2=1.13)
