• To: julian.reschke@g... (Julian Reschke)
• Subject: Re: MSXML DOM Special Chars Less Than 32
• From: John Cowan <jcowan@r...>
• Date: Sat, 23 Mar 2002 11:32:58 -0500 (EST)
• Cc: michael.h.kay@n..., joshuaa@m... ('Joshua Allen'), ricko@a... ('Rick Jelliffe'), xml-dev@l...
• In-reply-to: <JIEGINCHMLABHJBIGKBCOEFAEEAA.julian.reschke@g...> from "Julian Reschke" at Mar 23, 2002 04:59:19 PM

Julian Reschke scripsit:

> Some of the requirements are:
> 
> - the format of strings that *can* be represented as XML characters doesn't
> change
> - non-XML characters must be ignored by implementations not knowing the
> escaping mechanism

Those requirements are impossible.  An escaping mechanism naturally
requires an escape character (which means that the format of strings
containing the escape character *must* change), and the only way
for an escape-blind system to ignore the escape is for escaped
characters to be represented by the null string.
If the escapes are elements, that makes the matter even worse,
since escape-blind systems will see violations of the schema.

-- 
John Cowan <jcowan@r...>     http://www.reutershealth.com
I amar prestar aen, han mathon ne nen,    http://www.ccil.org/~cowan
han mathon ne chae, a han noston ne 'wilith.  --Galadriel, _LOTR:FOTR_

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