I think you should change anything you want to change, on the assumption that
most users are setting things by themselves, anyway.
Now may be the time to change anything that you (and those kind enough to
reply to your post) would like to see changed. For an example, I really
like the ratio of
Simon, quoted below, is correct about the /usr/local/lib infinite-reference
being a problem. In case it's of any use to other OSX users, my guess is
that macPorts caused that error. I infer that based on the time at which
the symlink was created, which was at the time when I was trying to instal