just did a search...and here is the 'official' answer..
http://www.eudora.com/techsupport/kb/1567hq.html
and the workaround!
http://members.cox.net/ronmiles7/
seems I CAN get my yin-yang back after all!pooh! maybe not! That link is not live! They have really made it hard to get the old .epi file!