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Re: More questions about conformance and entities

• To: <xml-dev@l...>
• Subject: Re: More questions about conformance and entities
• From: "Karl Waclawek" <karl@w...>
• Date: Mon, 25 Oct 2004 19:22:09 -0400
• References: <417CFF04.1090906@j...> <003001c4ba9c$628c4180$9e539696@citkwaclaww2k> <417D7B88.4030304@j...>

> Jeff Rafter wrote:
>>>Bonus questions: Which wins out: "Well-formedness constraint: In DTD" 
>>>[3] or "Not Recognized" [4]
>>>[3] http://www.w3.org/TR/REC-xml/#indtd
>>>[4] http://www.w3.org/TR/REC-xml/#not-recognized
> 
> Karl Waclawek answered:
>> I have always found "Well-formedness constraint: In DTD" redundant,
>> as due to "Not Recognized", you cannot define PE references outside of the DTD.
>> So, "Not Recognized" wins, and the above entity declaration is legal.
> 
> Just to make sure everyone else is as sick of this minutia as I am I 
> thought I would take this a step further. Consider:
> 
> Doc5.xml
> ========
> <!DOCTYPE doc SYSTEM "doc5.dtd">
> <doc>&gen_foo;</doc>
> 
> Doc5.dtd
> ========
> <!ELEMENT doc (foo)>
> <!ELEMENT foo EMPTY>
> <!ENTITY % pe_foo "<foo>">
> <!ENITY gen_foo "&#37;pe_foo;</foo>">
> 
> Now, the replacement text for gen_foo after it is scanned becomes:
> 
> %pe_foo;</foo>
> 
> It is obvious that the reference to gen_foo would violate WFness. The 
> question is: is this a PE inside the DTD and inside content-- thus 
> violating "Well-formedness constraint: In DTD" while simultaneously 
> being "recognized"? : )

I don't see how. Outside the DTD, '%' is simply another character.
All this is, is and end tag without start tag.

Karl

• References:
  • More questions about conformance and entities
    • From: Jeff Rafter <lists@j...>
  • Re: More questions about conformance and entities
    • From: "Karl Waclawek" <karl@w...>
  • Re: More questions about conformance and entities
    • From: Jeff Rafter <lists@j...>

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