I wasted a lot of time assembling detailed answers to your questions with
hyperlinks, rather long to post, only to find that your e-mail address is
invalid. If you want my answers, please write to me by e-mail as I do not see
replies on this newsgroup (or anyone else who wants them).

In future, kindly include include notice that your e-mail address is invalid.

Larry in Berkeley (sea otter 6 at aol dot com)