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Re: Proposed requirements on solutions that convert XML-illega

• From: Michael Kay <mike@saxonica.com>
• To: Tim Bray <tbray@textuality.com>
• Date: Thu, 27 Apr 2017 08:23:56 +0100

> 
> XML just doesn't provide a way to represent the Unicode character U+0000. So you're going to have to choose a nonstandard application-specific representation to achieve your goal. Rather than screw around with pseudo-JSON \u... constructs, I'd pick a codepoint in a Unicode Private Use Area, and agree that it's a stand-in for U+0000.
> 

But if you need a representation that can handle any possible sequence of Unicode codepoints losslessly, then you're going to need some kind of escaping or markup, and pretty-well anything you choose is going to be inconvenient to process.

Michael Kay
Saxonica

• References:
  • Proposed requirements on solutions that convert XML-illegalcharacters into XML
    • From: "Costello, Roger L." <costello@mitre.org>
  • Re: Proposed requirements on solutions that convertXML-illegal characters into XML
    • From: Tim Bray <tbray@textuality.com>