in reply to Clearing multi-valued parameters using CGI.pm

This seems to work for me:
CGI::param(-name => 'xxx', -value => "");
---chargrill
$/ = q#(\w)# ; sub sig { print scalar reverse join ' ', @_ } + sig map { s$\$/\$/$\$2\$1$g && $_ } split( ' ', ",erckha rlPe erthnoa stJu +" );