RE: Simplified production for FilterExpr in XPath spec?

Hi, another newbie question:

I have element with some attributes and with attribute values
(in my source), example:

<sem role="error">
<sem role="user">
...

and i want to change attribute name and value of attribute to 
something else. Example:

(<sem role="error"> --> <sem type="state">

This is what I have tried:

<xsl:template match="sem"> 
		<sem>
		<xsl:attribute name="type">
			<xsl:if test="sem[@role='user']">state</xsl:if>     
			<xsl:if test="sem[@role='error']">parameter</xsl:if>
			<xsl:if test="@role">doesnt work</xsl:if> 	
		</xsl:attribute>
		<xsl:apply-templates/>	
	</sem>
</xsl:template>


But that "sem[@role='user']" doesnt work, am I away from right answer ??

Appreciate help you can give.

Jukka.


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