What's the best way to get generic "Cancel" links into forms, lift- 
style? Assuming that a form can be called from different pages in the  
application, and the cancel link should return to the originating page?
Would it work to have a RequestVar for the target of the cancel link,  
and populate it using the linking page's URI:
SHtml.link(editUrl, () => {...; cancelLinkRV(S.request.uri)},  

Is the URI really reusable like this?

Or is there already some better way provided by lift?


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