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I would like to know how to detect that a node is not present in the origin. I have tried hundreds of things with the logical functoids with no success.
The third case of this page is what I am looking for:
http://danshultz.blogspot.com/2007/08/logical-existence-isnil-empty-string.html
Thanks in advance.
The only way I have managed to do it in a map is through XSLT in a scripting functoid.