- defined $_ ? '<td%s>%s' : '<td class=Xi>',
- map { !!$_->[1] && qq( title="$_->[1]"), $_->[0] }
- [map { EscapeHTML($_) } split /\n/, $_, 2]
+ '<td%s>%s',
+ map { defined ? (!!$_->[1] && qq( title="$_->[1]"), $_->[0]) : (' class=Xi', '') }
+ $_ && [map { EscapeHTML($_) } split /\n/, $_, 2]