Differences from XPath 1.0
VaeQL is largely compatible with XPath 1.0. The | operator for combining nodesets is not guaranteed to work. It may work in certain instances. If you notice any other differences, please bring them to our attention, but we cannot guarantee that the XPath 1.0 behavior is correct.
Here is an » outside tutorial on XPath. Although this covers generic XPath, and not our enhanced VaeQL syntax, it is a great reference for XPath axes, which we generally support.