|
@@ -643,7 +643,7 @@
|
|
|
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 <ulink url="http://kea.isc.org/wiki/KeaDesigns"/>.
|
|
|
- In brief there are two structures used during the evaluation of an expression
|
|
|
+ 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.
|
|
|
</para>
|
|
@@ -651,7 +651,7 @@
|
|
|
<para>
|
|
|
The list of tokens is created when the configuration file is processed with
|
|
|
most expressions and values being converted to a token. The list is organized
|
|
|
- in reverse polish notation. During execution the list will be traversed
|
|
|
+ in reverse Polish notation. During execution the list will be traversed
|
|
|
in order. As each token is executed it will be able to pop values
|
|
|
from the top of the stack and eventually push its result on the top of the
|
|
|
stack. Imagine the following expression:
|