We have an issue with fonts, try to figure out how to make this
parametric.  We also have an issue with appendix numbers in Greek
(that's why I have "numerals=arabic" for greek).

This is the first version that plays with xelatex and utf8.

The old versions used to work with "grlatex", which will most
probably be impossible to find.  I don't think you have a fat
chance of working with these sources.  Wait until the later
versions, based on xelatex.