No one has posted to this list in 6 years, so there is a chance no one is listening.  I'll try Stack Overflow, too.  But in case anyone is there...
I created a form PDF (attached as receipt-header.pdf).  
I am trying to populate that form using PDF::Reuse.  My code looks like this:
#!/usr/bin/perl -w
use strict;
use warnings;
use PDF::Reuse;
prFile('test.pdf');
prMbox( 0, 0, 288, 384 );
prField('vendor','This is a test');
prDocForm( { file => 'receipt-header.pdf' } );
prEnd();
Looking at the generated code, I can see the code that is supposed to populate it.  But when I view it in Finder, or Preview, the form is not populated.  For reference, I've attached the generated PDF.  
Is this a problem with PDF::Reuse, or a problem with how Finder / Preview interacts with these files?