My last post was mangled/truncated. The overloaded-acronyms problem is not chiefly a combinatorial one. It is better viewed as a variant of Feller's duplicate-birthdays problem
John Gilmore, Ashland, MA 01721 - USA ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN