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bryan rasmussen writes:
>A very unscientific quick check on the usage of DTDs...
Your search looks for XML documents on the public web that have the word
"doctype" and are in Google's index, which is not a good indicator of how
much XML people are using that points to DTDs. A vast amount of the HTML out
there, not to mention other formats, are created from XML behind firewalls.
I think that content-oriented (as opposed to transaction-oriented--most call
the dichotomy document-oriented vs. data-oriented) XML documents still favor
DTDs because of the difficulties and complications of W3C Schemas, the
presence of a potentially superior but less-adopted alternative (RELAX NG)
that inspires a wait-and-see attitude, and the fact that they the documents'
owners have publishing systems that aren't broken, so these owners don't see
a need to fix them.
Also, as near as I can tell, your search of 'filetype:xml "<?xml"' isn't
looking for "<?xml" in documents, because Google does token searching, not
string searching, so it's ignoring the "<?". Many of those files look like
HTML files that happen to have extensions of "xml". So, that's not a good
indicator of the number of XML files on the web.
Bob DuCharme www.snee.com/bob <bob@
snee.com> see http://www.snee.com/bob/xsltquickly for
info on book "XSLT Quickly" from Manning Publications.
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