7.2 to 8.0 upgrade issues

[Lowell Gilbert]

osp at aloha.com writes:

> Note that the handbook does not show -a and -R being used together. My
> thinking is that without the -R a new version of an existing port that
> requires something new -- that you do not already have -- will fail. Rather
> unlikely, to start with portupgrade -a --batch and use -R only if you still
> getb errors.

This is incorrect.  "-R" is *entirely* redundant when "-a" is specified.