mustUnderstand, mustIgnore [was: Posted PaceEntryOrder]

[Mark Nottingham <mnot@xxxxxxxx>]

On Feb 5, 2005, at 6:26 AM, Joe Gregorio wrote:

> On Thu, 3 Feb 2005 20:25:50 -0800, Mark Nottingham <mnot@xxxxxxxx> 
> wrote:
> > My preference would be something like
> >
> > This specification assigns no significance to the order of atom:entry
> > elements within an Atom Feed Document. Atom Processors MAY present
> > entries in any order, unless a specific ordering is required by an
> > extension.
> >
> > (I.e., I could come up with the UseLexicalOrdering extension, and
> > require processors to understand it to use the feed, assuming our
> > extensibility model supports that, which I very much hope it will).
>
> -1  Atom is a Must Ignore format.

What does that mean? SOAP is a "Must Ignore format," but it also has a 
way of saying that you have to understand a particular extension; as I 
said before, this is one of the big problems with HTTP. mustUnderstand 
should be used sparingly, but sometimes it's necessary.


--
Mark Nottingham     http://www.mnot.net/