my $pathsofar = $comp_root;
die "$pathsofar $!" unless stat $pathsofar;
+$ENV{'PATH_INFO'} ||= '/main';
my $path_info = $ENV{'PATH_INFO'};
-$path_info='' if !defined $path_info;
foreach my $pathcomp (split m#/#, $path_info) {
next if $pathcomp eq '';