[xsl] Test for presence of attribute

[Nathan Shaw <n8_shaw at yahoo dot com>]

(I am a digester, so please reply off-list to
n8_shaw@yahoo.com and cc the list if you feel others
may learn too =:>)

Is there anyway in XSL to check for the existance of
an attribute? I am currently using:

<xsl:if test="@URL != ''"><a
href="{@URL}"><xsl:value-of select="@Title"
/></a></xsl:if><xsl:if test="@URL = ''"><xsl:value-of
select="@Title" /></xsl:if>

BUT, URL is not required and if it is not present,
then the IF statement fails. I need something like
IsDefined() or AttributeExists()...

Also, is there a len() function? I would rather use
something like <xsl:if test="len(@URL)">...

TIA,

Nathan

=====
----------------------------
Nathan Shaw
Web Applications Developer
iaffect
http://www.iaffectonline.com
http://www.iaffectTV.com
----------------------------

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