On 2011-03-14 Cecil Westerhof <cldwesterhof@gmail.com> wrote:MKII can be used either with pdftex or xetex (as you wish, compare
> When installing minimals you have MKII, XeTeX and MKIV. I understand that
> you should normally use MKIV, but when are the other two used?
advantages/disadvantages). MKIV can only be used with luatex.
You have to differ between ConTeXt »versions« (mkii, mkiv) and TeX backends
(pdftex, xetex, luatex).