• To: Lars Marius Garshol <larsga@g...>
• Subject: Re: Why is there no schema for RSS?
• From: Tim Bray <tbray@t...>
• Date: Tue, 03 Sep 2002 14:57:18 -0700
• Cc: xml-dev@l...
• References: <8BD7226E07DDFF49AF5EF4030ACE0B7E0696F88C@r...> <m3bs7ebv42.fsf@p...>
• User-agent: Mozilla/5.0 (Macintosh; U; PPC Mac OS X; en-US; rv:1.1) Gecko/20020826

Lars Marius Garshol wrote:

> Given that RSS 0.91 did not enforce a particular order on most
> elements XML DTDs were not a particularly good fit, but they used it
> anyway, probably because they had an example to start from.
> 
> Why the later versions didn't have any sort of formal schema I can't
> answer. I wondered about that, too. 

Many on this list will find it shocking, but lots of important XML 
dialects don't have any DTDs or schemas.  Particularly in the 
application-glue space.  People email back and forth some examples, they 
cut some code, and then everything's working and they're too busy to go 
back and write a schema.

In fact, I am at this very moment working on a proposal to do some data 
mapping of a big information pool that can generate XML output, they 
just sent us some sample instances, seemed to do the job.

I don't 100% approve of doing it this way, but that doesn't stop people 
doing it, and (at least sometimes) getting good results. -Tim

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