RE: determining the existence of an element
> Please bear with me as I'm very new to XSL... I know how to > use xsl:if to > test the value of an element, but is there any way to test for the > existence of an element? If the test expression in xsl:if returns a node-set, it is considered true if non-empty, false if empty. So <xsl:if test="some path expression"> tests whether "some path expression" selects any nodes or not. A common idiom is <xsl:if test="self::a"> which uses this technique to test whether the current node is an <a> element. Michael Kay
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