Whitespace *IS* text in XML; see the XML spec.
*IF* you are validating against a DTD (I'm not sure about schema), it is
possible to have whitespace that occurs in places where only elements were
expected marked as "whitespace in element content". (SAX,
erroneously-but-uncorrectably, calls this "ignorable whitespace".) Your
application can then filter it out. I believe Xerces offers a feature which
will perform this filtering for you. Note that whitespace adjacent to other
text is considered part of that text and can NOT be filtered out at this
level; if your application considers the space irrelevant in that case ,
*it* must take responsibility for discarding it.
See also the xml:space directive, which is another way to help tell
applications which whitespace is and isn't meaningful. I'm not sure whether
Xerces provides filtering on this criterion, or if you're required to
implement that yourself.
______________________________________
Joe Kesselman, IBM Next-Generation Web Technologies: XML, XSL and more.
"The world changed profoundly and unpredictably the day Tim Berners Lee
got bitten by a radioactive spider." -- Rafe Culpin, in r.m.filk
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