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How to use ENTITY declarations and references?

Subject: How to use ENTITY declarations and references?
From: Mike Brown <mbrown@xxxxxxxxxxxxx>
Date: Tue, 4 May 1999 17:18:25 -0600 
I really am having a hard time with what seems to be some basic XML/XSL.

Given this minimal stylesheet:

<xsl:stylesheet
    xmlns:xsl="http://www.w3.org/TR/WD-xsl";
    xmlns="http://www.w3.org/TR/REC-html40";
    result-ns=""
>
<xsl:template match="/">
<html>
<xsl:apply-templates/>
</html>
</xsl:template>
</xsl:stylesheet>


...And this XML:

<?xml version='1.0' standalone='yes'?>
<!DOCTYPE foo [
<!ENTITY breakfast "Breakfast">
<!ENTITY cent "&#162;">
<!ELEMENT foo (SomeText)>
<!ELEMENT SomeText (#PCDATA)>
]>
<foo>
<SomeText>
Try Our 99&cent; &breakfast; Special!
</SomeText>
</foo>


...I get the following output from LotusXSL:

<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML>

Try Our 99  Special!

</HTML>


And then if I change the stylesheet to use this (now invalid) namespace URI
so that XT will parse it...

    xmlns:xsl="http://www.w3.org/XSL/Transform/1.0";

...I get the following result from XT:

<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<html>

Try Our 99&cent; Breakfast Special!

</html>


So my questions are...

1. If you declare an entity, shouldn't the XSL document have access to those
entities? XT seems to think so, but LotusXSL differs.

2. Why the &cent; in the output from XT?

3. Are the parsers simply looking for specific URIs when they determine
whether the namespace declarations are valid? Is this really necessary?

4. Where is the <!DOCTYPE> coming from in the output?

-Mike


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