Subject: <set> and <append>
My first question on the description document is the difference between <set> and <append>.
"Should the response document have contained ten MODS records, then after after the response has been parsed the “items” variable will contain ten values, each value being a single MODS record."
This is essentially telling the client that it can extract mods records from a response via the supplied xpath.
What does this tell the client: