);
unless (!defined $prev or $prev ~~ $compare) {
my @vercover = (map { @{$_} } @span);
+ for ($ver ? @{$ver} : ()) {
+ $data->{$_} eq $data->{$vercover[-1]} or last;
+ push @vercover, $_; # matches from next span start
+ }
my $usage = sum(@{ $canihas->{$browser} }{@vercover});
# strip #\d note references from support class