for (my $row = -1; $row <= $#{ $keyrows{$self->{map}} }; $row++) {
my $keyrow = $row < 0 ? [["\e"]] : $keyrows{$self->{map}}->[$row];
printf qq{<li class="row row%d"><ul>\n}, $row+1;
for (my $row = -1; $row <= $#{ $keyrows{$self->{map}} }; $row++) {
my $keyrow = $row < 0 ? [["\e"]] : $keyrows{$self->{map}}->[$row];
printf qq{<li class="row row%d"><ul>\n}, $row+1;