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- From: David Megginson <ak117@freenet.carleton.ca>
- To: "XML Developers' List" <xml-dev@ic.ac.uk>
- Date: Mon, 20 Apr 1998 09:01:46 -0400
Rzepa, Henry writes:
> It does seem worthwhile to try to preserve in some form the history
> of a list such as XML-DEV.Too often, such lists seem to evaporate
> forever. I propose therefore to transfer the archive of this list
> to a published CD ROM. Lack of resources will prevent anything
> other than the lightest of editing(removing duplicate footers,
> etc), unless someone offers to do so with any intelligent parsing
> tools they may have.
How about using a trivial Perl script to convert all of the messages
to a simple XML document type (assuming nothing about the semantics of
the message body itself)? You could try something like the following:
<?xml version="1.0"?>
<!DOCTYPE message SYSTEM "message.dtd">
<message>
<header>
<poster>
<name>David Megginson</name>
<e-mail>ak117@freenet.carleton.ca</e-mail>
</poster>
<date>February 18, 1998</date>
<subject>re: Some Subject</subject>
<reference-list>
<reference xml:link="simple" href="aaa.xml"/>
<reference xml:link="simple" href="bbb.xml"/>
<reference xml:link="simple" href="ccc.xml"/>
</reference-list>
</header>
<body xml:space="preserve">
This is whatever appeared in the body of the message, only with
XML characters like <, >, and & escaped, form feeds
stripped out, and everything above 0x8f converted to a character
reference.
David
--
David Megginson ak117@freenet.carleton.ca
Microstar Software Ltd. dmeggins@microstar.com
http://home.sprynet.com/sprynet/dmeggins/
</body>
</message>
This would make it simpler to use the archive with an XML search
engine later on, and would provide a nice (and very large) base of
sample XML documents. Here's the external DTD subset for the example
(message.dtd):
<!ENTITY amp "&">
<!ENTITY lt "<">
<!ENTITY gt ">">
<!ELEMENT message (header, body)>
<!ELEMENT header (poster, date, subject, reference-list?)>
<!ELEMENT poster (name?, e-mail)>
<!ELEMENT name (#PCDATA)>
<!ELEMENT e-mail (#PCDATA)>
<!ELEMENT date (#PCDATA)>
<!ELEMENT subject (#PCDATA)>
<!ELEMENT reference-list (reference+)>
<!ELEMENT reference EMPTY>
<!ATTLIST reference
xml:link NMTOKEN #FIXED "simple"
href CDATA #REQUIRED>
<!ELEMENT body (#PCDATA)>
<!ATTLIST body
xml:space (default|preserve) #FIXED "preserve">
All the best,
David
--
David Megginson ak117@freenet.carleton.ca
Microstar Software Ltd. dmeggins@microstar.com
http://home.sprynet.com/sprynet/dmeggins/
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