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