Re: [xml-dev] Quick Review of XML 1.1 Candidate Recommendation

[Richard Tobin <richard@cogsci.ed.ac.uk>]

>P.S., I think the reason that U+0000 is not allowed as an XML character
>is that the standard C libraries (and maybe other libraries) cannot allow
>nulls in strings. It is a sensible rule IMHO.

Yes, it would break existing APIs in a very hard-to-fix way.  If nul
had been in from the start so that all C and similar APIs had to use
counted strings that would have been an annoyance; to change it now
would be unacceptable.

-- Richard