$conf = [+ defined ($conf)?$conf:'
 
$_[0] = [+ defined ($_[0])?$_[0]:'
 
$_[1] = [+ defined ($_[1])?$_[1]:'
 
$rec_rec  = [+ $req_rec +]
$$rec_rec = [+ $$req_rec +]
[- $ar = $Embperl::modperlapi < 2?Apache->request:Apache2::RequestUtil -> request -]
Apache->request    = [+ $ar +]
${Apache->request} = [+ $$ar +]
${Apache->request} = $$req_rec ?  [+ ($$ar == $$req_rec)?'yes':'no' +] 
[+ $req_rec -> filename +]