the necessary keywords to look them up in the manual, ChangeLog or other
sources of information.
+2005-09-07:
+
+ SASL 1.x support has been removed.
+
+ All patterns may be prefixed with = instead of ~ to enable
+ string search instead of regular expression match.
+
+ The $net_inc variables has been added.
+
+2005-09-03:
+
+ The ~u pattern has been added.
+
2005-08-31:
The following pre-defined read-only variables were added: