Previously excluded due to common fallback, but hides deliberate parentage
with current inheritance.
printf '<div class="section"><table class="glyphs%s">', !$row->{cell} && ' charmap';
my $title = $row->{set};
$title .= " <aside>(over $_)</aside>"
- for grep { $_ ne 'iso-8859-1' } $row->{parent} // ();
+ for $row->{parent} || ();
printf '<caption>%s</caption>', $title;
print '<col>' x ($cols + 1);
for my $section (qw{thead}) {