| [+ $ks[$row] +] | [+ $udat{$ks[$row] || ''} +] | 
    $mdat{cnt} = -[+ $mdat{cnt}  +]- 
    $udat{cnt} = -[+ $udat{cnt}  +]- 
	[- HTML::Embperl::Req::DeleteSession (undef, 1) ; -]
	udat after:
	[- @ks = grep (!/^_/, sort (keys %udat)) ; $num = keys (%udat) - $#ks - 1 ; -]
	
| [+ $ks[$row] +] | [+ $udat{$ks[$row] || ''} +] | 
	[+ $udat{b} = 2 +]
	udat after write:
	[- @ks = grep (!/^_/, sort (keys %udat)) ; $num = keys (%udat) - $#ks - 1 ; -]
	
| [+ $ks[$row] +] | [+ $udat{$ks[$row] || ''} +] |