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Subject: %=x% expression syntax bug in XML jsp?
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Date: Wed, 26 Sep 2001 14:30:21 +0300
Message-ID: <30B026EA81B98D4082E2FD73B14CB8122396C6@fsfimail1.FI.F-Secure.com>
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Thread-Topic: %=x% expression syntax bug in XML jsp?
Thread-Index: AcFGfpsWxhETjWe0T5yqmhOWjHdD5g==
From: "Uther, James" <James.Uther@F-Secure.com>
To: <tomcat-dev@jakarta.apache.org>
X-Spam-Rating: daedalus.apache.org 1.6.2 0/1000/N

Hi All,

My reading of ParserXJspSaxHandler.java suggests that the shorthand
expression syntax for jsp1.3 xml documents (%=3Dx%) is not handled in
'uninterpreted' tags (ie: tags that are not taglibs or jsp:).

Is this a bug or per spec? My reading of the spec suggests it's a bug, =
but i
could well be missing something.

The problem can be illustrated as follows:

take this jsp page
---------------
<?xml version=3D"1.0" encoding=3D"ISO-8859-1"?>

<jsp:root version=3D"1.2" xmlns:jsp=3D"http://java.sun.com/JSP/Page">
<jsp:directive.page contentType=3D"test/xml+svg" />
<jsp:scriptlet><![CDATA[
	String t =3D "test";
	String xpos =3D "10";
]]></jsp:scriptlet>

	<jsp:text><![CDATA[<?xml version=3D"1.0" encoding=3D"ISO-8859-1" ?>

	]]></jsp:text>
	<svg width=3D"100" height=3D"100" xmlns=3D'http://www.w3.org/2000/svg'>
		<text y=3D"10"
x=3D"%=3Dxpos%"><jsp:expression>t</jsp:expression></text>
	</svg>
</jsp:root>
---------------

My problem is that the=20
   x=3D"%=3Dxpos%"=20
expression is not expanded (in tomcat 4.0), so the generated SVG =
document
looks like

<snippet>
  <text y=3D"10" x=3D"%=3Dxpos%">test</text>
</snippet>

cheers,

james

--=20
James Uther                   www.F-Secure.com
Senior Software Engineer  F-Secure Corporation =20

        Securing the Mobile Enterprise