[Templates] Hash referencen in passed in variables

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Forgive me if this has been answered previously or sounds
like a newbie type of questions (which I am when it comes
to TT2) but I'm having difficulty processing hashes and
arrays that are passed in as variables to the template
processor.

In my template handler I have the following code:
   my %hash = { var1 => "foo", var2 => "bar" };
   my $vars = { myhash => \%hash };

   $TT->proecess("/template.tt2", $vars);

And /template.tt2 access the myhash in the following way:
   [% FOREACH item IN myhash %]
   The item is [% item %].
   [% END %]

When this gets processed, however, nothing is printed out;
no items, not even "The item is .".  I have also noticed
this behavior with arrays.  I cannot see that I am doing
anything immediately wrong, and the Template documentation
(eg. perldoc Template) intimates that this is an acceptable
construct.  What do I need to do to get the hash reference
working the way I expect it to?

I am using Template-Toolkit 2.13 and mod_perl 1.99.


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