globally unique per-page identifier

I'm playing around with using Intense Debate on www.hollenback.net. 
I've actually used it for a while but the behavior is annoying.  It uses
the page url as the identifier to link a particular comment to a page. 
That's annoying with phpwiki since multiple urls can refer to the same
page (for example, the 'thanks for editing' page has a different url
than the regular version of a page.  

That means there are many ways which ID doesn't display the comments for
a page if you use it with phpwiki.

ID does offer the ability to set a custom identifier for each comment in
the javascript.  So, if there were some per-page special phpwiki
identifier I could stick it in the javascript call to ID then I could
uniquely identify the page and fix that.

So, is there something like PHPWIKP_PAGE_ID that I can use?

P.
--  
Philip J. Hollenback
www.hollenback.net
@philiph


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