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Peter Murray-Rust writes:
> As a corollary: Is anyone testing the ESIS output of the current crop of
> XML parsers (4 Java + nsgmls, I think)? Regardless of the whitespace model
> or the value of xml:space they should all produce identical ESIS (right?)
> If not, then one or more is wrong. And all applications should (IMO) be
> prepared to work with ESIS which I think is isomorphous with a WF XML
> document.
There are quite a few more XML parsers out there, including at least
one in TCL -- see
http://www.sil.org/sgml/XML.html#xmlSoftware
As for ESIS, there are some problems that we'd have to overcome first:
1) How should empty elements be represented? Right now, Ælfred generates a
startElement event immediately followed by an endElement event.
2) How should the XML declaration be represented? Should it appear as
a processing instruction, or should it be ignored?
3) How should space in element content be handled? According to the
spec, a DTD-aware parser should handle whitespace in element
content differently from whitespace in mixed content (Ælfred just
ignores whitespace in element content right now).
4) DTD-aware and non-DTD-aware parsers will handle whitespace in
attribute values differently. Non-DTD-aware parsers will treat all
attributes as CDATA, but DTD-aware parsers will treat tokenised
attributes specially, by stripping all leading an trailing
whitespace, and normalising internal whitespace to single spaces.
All the best,
David
--
David Megginson ak117@f...
Microstar Software Ltd. dmeggins@m...
http://home.sprynet.com/sprynet/dmeggins/
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