[uf-discuss] Re: Generating valid unique IDs for hAtom

[David Janes]

On 7/16/07, Toby A Inkster <mail at tobyinkster.co.uk> wrote:

> #1 is an exercise in making things foolproof, which is not even worth
> bothering trying, as those fools can be so ingenious. As for #2, it's
> fixing the wrong problem: if changing permalinks causes the Atom ID to
> change, then you should fix your permalinks which are not supposed to
> change!

There's lots of reasons a permalink may change -- for example, another
site may be reposting the message, in which case it has a different
permalink but a different Atom ID. The beauty here is that an
intelligent feed reader won't show it to you twice.

-- 
David Janes
Founder, BlogMatrix
http://www.blogmatrix.com
http://blogmatrix.blogmatrix.com