XOM API for Processing XML with Java

["Michael Kay" <mike AT saxonica.com>]

In XML 1.0 no C0 characters other than x9, xA, or xD are permitted.

In XML 1.1 all C0 characters other than X0 are permitted. A concession,
apparently, to people still writing in archaic programming languages that
treat 0 as a string terminator...

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

> -----Original Message-----
> From: xom-interest-bounces AT lists.ibiblio.org 
> [mailto:xom-interest-bounces AT lists.ibiblio.org] On Behalf Of 
> Wolfgang Hoschek
> Sent: 28 July 2005 09:15
> To: xom-interest AT lists.ibiblio.org
> Subject: [XOM-interest] Is XML Text or CDATA that includes 
> the zerocharacter legal?
> 
> Is it legal to have XML Text or CDATA that includes the zero 
> character?
> For example, is this legal?
> 
> char c = (char)0;
> new Text(String.valueOf(c));
> 
> XOM's Verifier seems to say it's legal, whereas the Xerces and Saxon  
> method XMLChar.isContent() suggest it's not legal.
> 
> Further, am I right in that a zero character must not appear in a  
> surrogate?
> 
> Any advice or clarification? Thanks,
> Wolfgang.
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