Hi Folks,

I believe this has been addressed in the past, I'd greatly appreciate some 
pointers to information.

We have some blog pages with blog categories.  The model is that BlogCategory 
has_and_belongs_to_many :pages - rather standard.   The blog URL is 
"<hostname>/blog".  When we filter by category, the url is 
"<hostname>/blog?category_id=x".  However, when filtering by category, the 
generated pagination link never includes the category_id parameter.  So, in 
effect, the pagination is always for the unfiltered blog index.  We're using 
Aissac's pagination extension with Radiant 0.8.1 and will_paginate 2.3.8.

My understanding is that passing in the :params value to the will_paginate call 
will use those values when rendering the URL (from 
http://gitrdoc.com/mislav/will_paginate/tree/master/).  The example provided 
with the :params option is for specifying the controller and action, but it 
seems as though it should be the correct mechanism for getting a parameter 
generated in the pagination link.

I've tried adding a hash like :params => {:category_id => @category_id} to the 
call to the paginate:pages call, but that wasn't passed along to the 
will_paginate call, so then I merged the :params value in with the options 
passed to will_paginate inside the paginate:pages call, but that wasn't 
successful either.

I can see the :params value getting passed into will_paginate, but not getting 
picked up. So, while I'm digging further down, I thought I'd ask all you very 
experienced experts to see if it's possible to do what we're hoping to do in a 
more obvious manner.

Thanks so very much for your time and any help you can offer!

- Peter
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