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RE: Attributes as tags in namespaces and how to guess characte

• To: "'Thomas B. Passin'" <tpassin@c...>,<xml-dev@l...>
• Subject: RE: Attributes as tags in namespaces and how to guess character encoding
• From: "Michael Kay" <michael.h.kay@n...>
• Date: Thu, 22 Jul 2004 09:19:44 +0100
• In-reply-to: <40FF361A.1090802@c...>
• Thread-index: AcRvnE/xLP/KidbQQjCbsWlRv1OdjgAJ+E4g

> 
> On the contrary, the xml declaration is entirely in ascii 
> except for a 
> possible byte order mark, so the processor can determine 8-bit vs. 
> 16-bit encodings from the BOM and the <?xml, and then read 
> the encoding 
> declaration, knowing that it is in ascii.

It's perfectly legitimate to use encodings that are not supersets of
US-ASCII, for example EBCDIC. A parser that wants to handle such encodings
has to examine the first few bytes in the file and see whether they match
"<?xml" in any of the encodings that it supports.

Michael Kay

• References:
  • Re: Attributes as tags in namespaces and how to guess characterencoding
    • From: "Thomas B. Passin" <tpassin@c...>

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