+ my ($prog) = ($CMD[0] =~ m!([^/]+)\z!g);
+ my $dh = defined($default_listen) ? " (default: $default_listen)" : '';
+ my $help = <<EOF;
+usage: $prog [-l ADDRESS] [--cert=FILE] [--key=FILE]
+
+options:
+
+ -l ADDRESS address to listen on$dh
+ --cert=FILE default SSL/TLS certificate
+ --key=FILE default SSL/TLS certificate
+ -W WORKERS number of worker processes to spawn (default: 1)
+
+See public-inbox-daemon(8) and $prog(1) man pages for more.
+EOF
+ my %opt = (