e</code> <var>E</var> whose corresponding key <var>R</var> is such that <code>(string= (funcall *json-identifier-to-lisp* <var>R</var>) <var>S</var>)</code>.  If <var>E</var> is also an <code class="json">Object</code>, the path <code><var>S</var>.<var>T</var></code> refers to the same sub-datum within <var>D</var> which <var>T</var> refers to within <var>E</var>.  If any part of the structured name fails to match a member key at its level of object nesting, or if any non-final part of the structured name r