Notes on upgrading from an older release
========================================
+o Upgrading from a version prior to 1.8.2:
+
+ When matching Unix groups in the sudoers file, sudo will now
+ match based on the name of the group as it appears in sudoers
+ instead of the group ID. This can substantially reduce the
+ number of group lookups for sudoers files that contain a large
+ nummber of groups. There are a few side effects of this change.
+
+ 1) Unix groups with different names but the same group ID are
+ can no longer be used interchangably. Sudo will look up all
+ of a user's groups by group ID and use the resulting group
+ names when matching sudoers entries. If there are multiple
+ groups with the same ID, the group name returned by the
+ system getgrgid() library function is the name that will be
+ used when matching sudoers entries.
+
+ 2) Unix group names specified in the sudoers file that are
+ longer than the system maximum will no longer match. For
+ instance, if there is a Unix group "fireflie" on a system
+ where group names are limited to eight characters, "%fireflies"
+ in sudoers will no longer match "fireflie". Previously, a
+ lookup by name of the group "fireflies" would have matched
+ the "fireflie" group on most systems.
+
o Upgrading from a version prior to 1.8.1:
Changes in the sudoers parser could result in parse errors for