RE: Is it a well-formedness error to use a character not in th

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From: "Michael Kay" <mike@s...>
To: "'Michael Glavassevich'" <mrglavas@c...>,"'Costello, Roger L.'" <costello@m...>
Date: Thu, 18 Mar 2010 19:01:53 -0000

It's not well-formed.

From the XML 1.0 spec [1]:
"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."

Unless of course there is a "higher-level protocol" that tells you it's really a different encoding. (The term higher-level protocol is not really defined. I think they had in mind the media-type from the HTTP content header. In terms of the protocol stack, that of course is a lower-level protocol. But it's sufficiently woolly that a phone call from the sender to say "Oops, I meant EBCDIC" would be enough to make the document well-formed.

Regards,

Michael Kay
http://www.saxonica.com/
http://twitter.com/michaelhkay

Follow-Ups:
- Re: Is it a well-formedness error to use a character not in the encoding specified by the XML declaration?
  - From: Greg Hunt <greg@f...>
- RE: Is it a well-formedness error to use a character not in theencoding specified by the XML declaration?
  - From: Michael Glavassevich <mrglavas@c...>

References:
- Is it a well-formedness error to use a character not in theencoding specified by the XML declaration?
  - From: "Costello, Roger L." <costello@m...>
- Re: Is it a well-formedness error to use a character not in theencoding specified by the XML declaration?
  - From: Michael Glavassevich <mrglavas@c...>

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