use bytes (); # only for bytes::length
use Fcntl qw(:seek);
use Plack::HTTPParser qw(parse_http_request); # XS or pure Perl
+use Plack::Util;
use HTTP::Status qw(status_message);
use HTTP::Date qw(time2str);
-use IO::Handle;
+use IO::Handle; # ->write
use PublicInbox::DS qw(msg_more);
use PublicInbox::Syscall qw(EPOLLIN EPOLLONESHOT);
use PublicInbox::Tmpfile;