Hi, I wonder how "PREV(col + 1)" is different from "PREV(col) + 1". Currently my RPR implementation does not allow PREV(col + 1). If "PREV(col + 1)" is different from "PREV(col) + 1", it maybe worthwhile to implement "PREV(col + 1)".
Best reagards, -- Tatsuo Ishii SRA OSS K.K. English: http://www.sraoss.co.jp/index_en/ Japanese:http://www.sraoss.co.jp
