[cgiapp] Found the problem with ValidateRM & Template

[RA Jones <suppressed>]

As mentioned before, I could not get ValidateRM working with 
Template.pm's templates within CGI::Application. I can now.

I narrowed the problem down to the check_rm() sub in ValidateRM, and I 
know that $err_page is returning empty, so is not triggering the error 
page for Template-generated templates.

The reason for this is in the nature of $return_page. For H::T-generated 
templates it is scalar data (ie the complete HTML return page), but for 
Template-generated templates it prints out as 'SCALAR(0x1bfa330)'. As it 
says in the CGI::Application::Plugin::TT docs for tt_process() 'The 
return value will be a scalar reference to the output of the template.'

I have produced a temporary 'patch' to my local copy of ValidateRM to 
enable Template to work:

scalarref => ref $return_page ? $return_page : \$return_page

but I think this is not the best solution here, and also I do not have 
edit access to the Perl libraries on my production systems. Has no-one 
else found this before?
--
Richard Jones
Leeds, UK
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