Perl/C++ -shadow adds extra ::<class> to namespace?

Hello,

I am completely new to SWIG and have already gotten perl it to drive
a C++ class perfectly, except for one thing:  Shadow classes seem
to be adding an extra and undocumented "::<class>" in the perl5 
namespace.

More precisely, the Vector example in the latest (acroread) docs 
(Chap. 8 "gory details...") doesn't work as advertised if I am 
reading things correctly.  As reminder:

    %module vector
    %{
    #include "vector.h"
    %}
    struct Vector { 
        double x,y,z;
        Vector(double _x, double _y, double _z);
        ~Vector() {};
        void addto(Vector *v);
    };

with "-perl5 -c++ -shadow" is supposed to produce a perl module which you 
can invoke like this:

    #!/usr/bin/perl
    use vector;
    # Perl code using Vector class 
    $v = new Vector(2,3,4);
    $w = Vector->new(1,2,3);

but instead I must do:

    #!/usr/bin/perl
    use vector;
    # Perl code using Vector class 
    $v = new vector::Vector(2,3,4);  # not just "new Vector(2,3,4)"
    $w = vector::Vector->new(1,2,3); # not just "Vector->new(1,2,4)"

In a debugger here's what you get if you try the documented method

> DB<1>  $v = new Vector(2,3,4)
> Can't locate object method "new" via package "Vector" (perhaps you forgot
> to load "Vector"?) at (eval 7)[/usr/lib/perl5/5.6.1/perl5db.pl:1521] line 2.

and here if you try lc

> DB<1> $v = new vector(1,2,4)
> Can't locate auto/vector/new.al in @INC (@INC contains:
> /usr/lib/perl5/5.6.1/i386-linux /usr/lib/perl5/5.6.1
> /usr/lib/perl5/site_perl/5.6.1/i386-linux /usr/lib/perl5/site_perl/5.6.1
> /usr/lib/perl5/site_perl .) at (eval
> 7)[/usr/lib/perl5/5.6.1/perl5db.pl:1521] line 2

I've tried the obvious .pm rewriting but noticed that the extra "::<class>"
is hard-coded in the wrapper .cpp.  Things expect this suffix at a
lower level than I currently comprehend as a novice swigger...

I've tried this on swig 1.3.11 (from rh/mdk dist) and latest 1.3.17, with
similar results.

-----------

So is there some simple directive I'm missing to make Perl classes which
don't consume unnecessary namespace?   Everything else works like a charm.

Thanks in advance,
John
pliam@xxxxxxxxxx

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