</para>
<para>
- In order to understand the logging statements one must understand a
- bit about how expressions are evaluated, for a more complete description
- refer to the design document at <uri xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://oldkea.isc.org/wiki/KeaDesigns">http://oldkea.isc.org/wiki/KeaDesigns</uri>.
+ In order to understand the logging statements, one must understand a
+ bit about how expressions are evaluated; for a more complete description
+ refer to the design document at <uri xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="https://gitlab.isc.org/isc-projects/kea/wikis/design%20documents">https://gitlab.isc.org/isc-projects/kea/wikis/design%20documents</uri>.
In brief there are two structures used during the evaluation of an expression:
a list of tokens which represent the expressions and a value stack which
represents the values being manipulated.