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Re: HTML and XML

From: Geoffrey Sneddon <foolistbar@googlemail.com>
Date: Thu, 12 Feb 2009 19:34:28 +0000
Cc: Anne van Kesteren <annevk@opera.com>, www-tag@w3.org
Message-Id: <3E5AC6FB-4B34-401C-8CD1-2BD01256A7CA@googlemail.com>
To: Julian Reschke <julian.reschke@gmx.de>

On 11 Feb 2009, at 16:08, Julian Reschke wrote:

> Geoffrey Sneddon wrote:
>>> As far as I can tell, the Atom feed format gets away with  
>>> draconian error handling (minus the RFC3023 thingy) quite well.
>> I wouldn't say that is entirely true: Atom, as well as RFC3023  
>> issues, hits the character decoding restriction, i.e.,
>>> It is a fatal error if an XML entity is determined (via default,  
>>> encoding declaration, or higher-level protocol) to be in a certain  
>>> encoding but contains byte sequences that are not legal in that  
>>> encoding.
>> It is fairly common for feeds to contain invalid byte sequences.  
>> Also,
> Can you qualify "fairly common"?

I can't quantify it, but I can say it's common enough that when I  
changed SimplePie to respect that phrase in the XML spec we received  
enough bug reports to convince me that it was needed.

> My understanding is that those feeds will not work within  
> Microsoft's feed parsing framework, used in IE (please correct me if  
> I'm wrong here).

That is correct: perhaps it shows that not enough people use it for  
those who create feeds to both being compatible with it.

Geoffrey Sneddon
Received on Thursday, 12 February 2009 19:35:07 UTC

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