Thanks vladb for your help with CGI::Persistent.
I have found the major extent of my problem, after a lot of poking around.
The Redirection header was (and I thought remained as) 'Location:'
This is not the case.
Location: is no longer the definitive "Redirect Header." URI: is now the preferred redirection header.
If you look in my code, you'll see:
By changing URL to URI, CGI.pm changes Location: to URI:. If you check the perlfaq9, it says that CGI.pm sends both, but I'm not sure that the version I'm using - on a virtually hosted machine. :( - does what the perlfaq says.
Thanks to those (especially vladb) for your help.
John J Reiser should have known the difference
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