\definetypeface[new][rm][serif][times][default][encoding=texnansi]
\definetypeface[new][mm][math][times][default]
%\fontdimen7\csname*new12ptmmmi*\endcsname=1pt

%D ! Missing font identifier.
%D <to be read again> 
%D                   \*new12ptmmmi* 
%D l.3 \fontdimen7\csname*new12ptmmmi*\endcsname
%D                                              =1pt
\setupbodyfont[new]
%\fontdimen7\csname*new12ptmmmi*\endcsname=1pt

%D  ! Missing number, treated as zero.
%D <to be read again> 
%D                    \def 
%D \reactivatefont #1->\def 
%D                          \somefontname {#1}\def \fontfile 
%D \*new12ptmmmi* ...ame \reactivatefont {MathItalic}
%D                                                   {txmi}
%D l.6 \fontdimen7\csname*new12ptmmmi*\endcsname
%D                                              =1pt
\starttext
7=\the\fontdimen7\csname*new12ptmmmi*\endcsname\par
\stoptext
