The following produces two lines with the Metafont logo when using
TL13, but fails in the current MKIV with the identical complaint for
either of the lines commented out: Type1: Could not understand
Type1 font:
C:/ConTeXt/tex/texmf/fonts/type1/hoekwater/mflogo/logo10.pfb
\starttext
\METAFONT
\MetaFont
\stoptext
--
Rik Kabel