if (open my $log, '-|', git => 'log', -1, @format) {{
my $line = readline $log;
$line or next; # explicitly ignore empty input
+ EscapeHTML $line;
my ($date, $subject) = split /[\t\n]/, $line;
$date =~ s/ \K/<small>/ and $date .= '</small>';
say "<p><strong>Last update</strong>: $date $subject</p>";