78.10 Pictures

<..context supp-mps..>
 \long\def\:temp{\begingroup \obeyMPlines \dostartMPcode}
 \ifx \startMPcode\:temp
    \pend:def \startMPcode{%
       \let\:temp\begingroup
       \def\begingroup{\let\begingroup\:temp
           \a:MPcode
           \begingroup
           \aftergroup\b:MPcode }%
    }
 \fi
 \NewConfigure{MPcode}{2}
 -_-_-