delete $opt{case} if $opt{case} && $opt{case} ne 'lower';
# default logic for interpreting arrayrefs
- $opt{logic} = uc $opt{logic} || 'OR';
+ $opt{logic} = $opt{logic} ? uc $opt{logic} : 'OR';
# how to return bind vars
# LDNOTE: changed nwiger code : why this 'delete' ??