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There are a couple of caveats to using XPATH for math that are worth thinking about, and once you have thought about them, they are of course very obvious, and easy to remember, but until you spend that moment to think about it, they are somewhat non obvious.

Ever had trouble getting your XPATH to select what you wanted? Maybe you just had the wrong context node in mind...

Novell Identity Manager uses a number of languages that can lead to some confusion. Geoff Carman helps clear things up.

Another fun XPATH example, find the position number of a node in a node set.

I keep my eyes open as I work in Identity Manager for good examples of XPATH usage that might be handy to others, and this one happened to me today. I walked one of my coworkers through it, who is still learning XPATH, and realized it would be a great example to write an article about the process of debugging what I wanted to do.

Updated with new information: Geoff Carman wants to get a complete list of the available association values for eDirectory objects in IDM - and you can help by joining this Open Call ...