To use KOI8 with MacWeb, you need version 1.00A2.2. The more recent 1.00A3
won't work. For step-by-step directions to configure MacWeb with KOI8, see
http://www.pitt.edu/~mapst57/rus/russian.html
I can attest that these directions work.
Karen Rondestvedt
Slavic Bibliographer
University of Pittsburgh Library System
rondest at vms.cis.pitt.edu