Assuming this resources are right : http://www.searchwin.net/doctype.htm http://www.blooberry.com/indexdot/html/tagpages/d/doctype.htm
.. I thing the last (optional) part of a DOCTYPE declaration has to be a valid URL to the referenced DTD. Perhaps I'm wrong, because I didn't found a normative document about this.
Actualy, XML parsers are using this URL to look the Internet for a DTD when they don't have a local one for the PUBLIC identifier found in the document.
Nico.
Wendy Smoak a écrit :
A long time ago, Craig McClanahan wrote:
It is a common misconception that the public identifiers of a DTD like
this *must* actually be working URLs [...].
They are just unique strings of characters that
(often) happen to look like URLs. Blame the XML community for that :-).
And then Yuan Saul asked:
If a local copy of DTD is not available, then an Internet connectionis
required, in this case, does the URI has to be pointing to a workingURL
where the DTD file can be retrieved?
Which is also my question, but there is no reply in the archives. Anyone?
Today we got a note from campus IT saying that they believed some problems in their J2EE apps were related to "code that connects to http://java.sun.com behind-the-scenes to download various DTD files related to parsing XML documents."
In addition to whether it happens at all (going out to the internet to retrieve the DTD) I'm also curious if it's the XML parser, or the Servlet container, etc. What component would make the call out to get the DTD?
I've always wondered...
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