$l =~ m/[\t [:graph:]]/ or &$bad_data('nonprinting char(s) '.sprintf "%#x", ord $&);
my @v= split /\t/, $l, -1;
@v==6 or &$bad_data('wrong number of fields');
+ $v[0] = ucfirst lc $v[0]; # YPP anomalously has "Rum Spice"
$v[1] =~ s/^\s+//; $v[1] =~ s/\s+$//; # ooo don't check :-(
my ($commod,$stall) = @v;