Disappearing parms in subrequest

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Hi mod_perl gurus,

This question pertains to Apache::Request, I hope I am in the right 
place. I have:

Linux (Debian Sarge)
Apache 1.3.31
mod_perl 1.29
libapreq 1.1

I have a situation where I use an Apache::Request object and then hand 
it off to a library which calls Apache::Request->instance on it (to be 
sure it is a A::R I guess, not my module). Sometimes I want to hand the 
library a subrequest instead of the original request. When I do, I knew 
that the subrequest would not have the original parms, so I set the 
parms for the subrequest manually. Unfortunately, when ->instance() gets 
called on the object, they seem to disappear.

I was able to simplify the code and watch the logs like this:

if ( $subr = $r->lookup_uri($uri) )
    { $req = Apache::Request->instance($subr);
      $req->parms($r->parms);
      $logger->info( Dumper $r->parms );          # get {this => that}
      $logger->info( Dumper $req->parms );        # get {this => that}
      $testreq = Apache::Request->instance($req); # parms disappear here.
      $logger->info( Dumper $testreq->parms );    # get {}
      $logger->info( Dumper $req->parms );        # get {this => that}
    }

Am I doing something stupid, or just missing something? From the docs I 
thought that $req and $testreq should be the same object here, but they 
seem not to be. Can someone tell me if I am doing this wrong or what?

TIA,
-Vince


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