illegal character in xml file
I have an XML file that was created as a DOM tree in .Net 1.1 and serialized
to disk. If I try to put character code 1 inside one of the attributes
(don't ask why), it seems to serialize perfectly ok and I get a file that
looks like this:
<element attribute="" />
which looks perfectly valid but won't open up with an XML viewer because it
says it is an illegal character reference.
what am I missing here? surely it's legal to put any character reference in
an XML file as long as it's correctly encoded? and if it's not, how come the
framework serialized it for me without complaining?
Re: illegal character in xml file
Andy Fish wrote:
> surely it's legal to put any character reference in
> an XML file as long as it's correctly encoded?
No, it isn't. XML 1.0 limits the acceptable characters, and character
references do not work around those limits. (XML 1.1 relaxes this; see
> and if it's not, how come the
> framework serialized it for me without complaining?
Becuase the framework thought it was writing XML 1.1? Or, more likely,
because the framework simply didn't bother checking. Enforcing these
rules does have performance costs, which leads some systems to default
to not doing so (or not offer the option at all, expecting that you'll
do it earlier in the pipeline -- "If it hurts when you do that...").
Joe Kesselman / Beware the fury of a patient man. -- John Dryden
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