Re: XML+RPC vs BCP70 , <?xml?> processing tag abuse?

[Tim Bray <tbray@xxxxxxxxxxxxxx>]

On Jan 21, 2004, at 12:51 PM, Mario Salzer wrote:

> To allow limited XML parsers or even simple token parsers to understand
> XML-RPC messages, I initially added a section on XML use restrictions.
> There was already some feedback, and a revised draft will likely allow
> a CDATA section then only for the <string> tag.

I will add my voice to the many others saying "Please don't do this."  
It turns out that in practice the notion of a "limited XML parser" 
turns out to not save much over a real XML parser and has a high 
probability of getting things wrong.  Probably the single toughest 
thing about a Real XML Parser is getting Unicode right, so that's 
probably one of the first things you give up using a limited version; 
but that's one of the most valuable things about XML.

Anyhow, like the others said; if you want to invent your own data 
format with angle brackets in it that's fine, just don't call it XML.

Hmm, I wonder what happens when someone files a media type registration 
that flies violently in the face of a standards-track BCP.  -Tim