*\input basic (basic.TEX 1 2 3 4) *$↑\ $\par\vfill\eject ! Missing { inserted. <to be read again> \ (*) $↑\ $\par\vfill\eject ↑ ! Missing } inserted. <to be read again> $ (*) $↑\ $ \par\vfill\eject ↑ !This can't hapPen. (*) $↑\ $\par \vfill\eject Nk outputfile.