> Something special about null character?
yes it's not allowed in XML. But then neither is character 1 (not checking for
disallowed characters is a known feature of the IE parser, if I recall)

the XML char production is:

<prod id="NT-Char"><lhs>Char</lhs> 
<rhs>#x9 | #xA | #xD | [#x20-#xD7FF] | [#xE000-#xFFFD] 
| [#x10000-#x10FFFF]</rhs> 
<com>any Unicode character, excluding the
surrogate blocks, FFFE, and FFFF.</com> </prod>

in otherwords nothing in the ascii control range except tab, line feed
and newline.

David


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