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   Re: Why is this JC test not-wf?

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  • From: "Don Park" <donpark@quake.net>
  • To: <xml-dev@ic.ac.uk>
  • Date: Wed, 17 Mar 1999 16:36:09 -0800

>> I wanted to do this on XMLSOFTWARE where I wanted to have an attribute
>> Updated="&date;" where date was an external entity changed daily by a
>> job. Instead I just made it an element rather than an attribute.
>If you *really wanted* to do it with an attribute, you could use an
>external parameter entity in the definition of the internal entity
> <!ENTITY % date SYSTEM "date">
> <!ENTITY date "%date;">
>This would have to be in the external subset.

Another way to do this is by reversing the roles of the files by storing
data as external general parsed entities and define the referenced entities
in the document.


    <?xml version="1.0"?>
    <!DOCTYPE dated [
        <!ENTITY datable SYSTEM "datable.xml">
        <!ENTITY date "17/03/99">


    <?xml version="1.0"?>
    <datable timestamp="&date;">
        blah blah

This form of role reversal technicque can be quite powerful when used


Don Park

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