[OpenID] URL normalization issues

Martin Atkins mart at degeneration.co.uk
Fri Mar 23 19:02:55 UTC 2007

John Panzer wrote:
> Given two hCards,
> <a class="url fn uid" href="http://example.com/foo">Foo Bar</a>
> <a class="url fn uid" href="http://example.com/foo/">F. Bar</a>
> should I consider these two identities equivalent, or not?[1]  Or is 
> there a way to resolve them by asking the servers (not doing an auth 
> check, just a canonicalization check of some kind)? 

They are two distinct URLs. One of them might well issue a permanent 
redirect to the other, but that cannot be relied on unless you try it.

The URL processing requirements for RPs are identical to those of 
browsers accepting input from their Address or Location bar.

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