%mathpiper,def=""

// From code.mpi.def:
OMDef( ":"        , "mathpiper","prepend"    );
OMDef( "@"        , "mathpiper","apply"      );
OMDef( "/@"       , "mathpiper","list_apply" );
OMDef( ".."       , "interval1","integer_interval" );
OMDef( "NFunction", "mathpiper","NFunction" );

%/mathpiper