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!