'',1 2 3 1 2 3 NB. OK '',"0 [1 2 3 |length error | '' ,"0[1 2 3 NB. Is this because there are NO atoms in LH argument? NB. I would have preferred to have seen 1 2 3 1 2 3,"0/ 4 5 6 1 4 1 5 1 6
2 4 2 5 2 6 3 4 3 5 3 6 NB. OK '',"0/ 4 5 6 NB. I would have preferred to have seen 4 5 6 NB. Oddly: '',"1 0/ 4 5 6 4 5 6 NB. I'm struggling to understand the rules. Regards Graham ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
