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

2007-07-16 Thread Toby Inkster
> Note that they've spent about a 1000 person years figuring this > stuff out and have been working with syndication etc. for a > significant portion of their professional lives. And I don't disagree with them -- just with Mark Pilgrim's claim than a (true) Permalink is a poor Atom ID. -Toby

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

2007-07-16 Thread Ben Ward
On 16 Jul 2007, at 11:08, Toby A Inkster wrote: 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! Of course _perma_links are not supposed to change. But I think the point that Ma

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

2007-07-16 Thread David Janes
On 7/16/07, Toby A Inkster <[EMAIL PROTECTED]> wrote: Why repost? Why not just link to the original article? In which case it has the same Permalink and the same Atom ID. The beauty here is that an intelligent browser won't hit the server twice (it will retrieve the article from the cache) and it

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

2007-07-16 Thread Toby A Inkster
David Janes wrote: > 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. Why repost? Why n

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

2007-07-16 Thread David Janes
On 7/16/07, Toby A Inkster <[EMAIL PROTECTED]> 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 you

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

2007-07-16 Thread Toby A Inkster
Ben Ward wrote: > http://diveintomark.org/archives/2004/05/28/howto-atom-id > It includes instructions on generating Tag URIs and also explains why > permalinks are sub-optimal as IDs. And the reasons he gives are: 1. In case developers of Atom clients are stupid; and 2. In cas

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

2007-06-29 Thread Jon Gibbins (dotjay)
Ben Ward wrote: The best starting point about identifiers for Atom was written by Mark Pilgrim: • http://diveintomark.org/archives/2004/05/28/howto-atom-id It includes instructions on generating Tag URIs and also explains why permalinks are sub-optimal as IDs. Thanks Ben, but I have alread

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

2007-06-28 Thread David Janes
On 6/28/07, Ben Ward <[EMAIL PROTECTED]> wrote: On 22 Jun 2007, at 07:07, Toby A Inkster wrote: > What's wrong with using Permalinks as an id? > > If you need to make several entries onto the hAtom feed referencing > the > same URL, then you can just add "#ref-20070722", "#ref-20070723" > and so

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

2007-06-28 Thread Ben Ward
On 22 Jun 2007, at 07:07, Toby A Inkster wrote: What's wrong with using Permalinks as an id? If you need to make several entries onto the hAtom feed referencing the same URL, then you can just add "#ref-20070722", "#ref-20070723" and so on to the end of the URL to make it unique. The best

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

2007-06-22 Thread Toby A Inkster
Jon Gibbins (dotjay) wrote: > Tag URIs don't work and neither do permalinks? What's wrong with using Permalinks as an id? If you need to make several entries onto the hAtom feed referencing the same URL, then you can just add "#ref-20070722", "#ref-20070723" and so on to the end of the URL to ma