Giuseppe,
Many thanks for your help: it is very much appreciated.
\overbar{{\grk{kj}}} \grk{Kull'hnhc d\high{\tfx{ou}} med'eonta ka`i
Arkad'ihc polum'hlou}
works, but it really is more a work-around than a good solution.
Ideally, one would like to be able to do math when the body font is
Alan,
I know next to nothing about math, but I know that the Greek
typescripts do not define a math font. So you will get errors doing
math when the body font is Greek. I wish I could help, but defining a
math font is beyond my abilities. If anyone is interested in doing
it, however, I