XPath 2.0 Programmer's Reference Code Examples
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The attached XML file contains most of the example XPath expressions
from the book, together with the expected results where appropriate,
and sample source documents where these are included in the printed book.

The samples are arranged by chapter, and by section within each chapter.

The published results are designed to enable visual checking that the
expression is returning the correct value. However, the notation used for the 
results attribute is informal, which means that the value is not suitable
for automated testing.

The attribute error="true" is included on those examples that are expected
to generate a dynamic error. There are no examples that are expected to
generate a static error, provided that all the required variables and namespace
prefixes are set up.

The attribute test="no" is included on some examples. This attribute may be
ignored; it was used to filter out those expressions that could not be tested
using the test harness that was deployed while the book was being written,
either because no suitable XPath processor was available, or because the
expression has dependencies on the context that the test harness did not
satisfy.