</pre>
* If any of the functions is called outside the servlet context, <code>[[XQuery Errors#BaseX Errors|basex:http]]</code> is raised.
* The following example demonstrates illustrated what components a URI may consist of (the example is derived from [http://tools.ietf.org/html/rfc3986 RFC 3986]):
<pre>
foo://example.com:8042/over/there?name=ferret