// jt points to the "argument". Get hold of this.
MathArray::iterator st = extractArgument(p->cell(0), jt, ar.end());
// replace the function name by a real function inset
// jt points to the "argument". Get hold of this.
MathArray::iterator st = extractArgument(p->cell(0), jt, ar.end());
// replace the function name by a real function inset