Am Sonntag, 6. Juli 2003 15:27 schrieb Frank Mittelbach:
> best solution would indeed be support from the underlying engine though i'm
> not sure that it is a good idea to keep support for the original \TeX{}
> \input snytax at all, ie i'm not sure why one would like to have both

The TeX engine should because of (old) plainTeX files, but LaTeX should use
\inputfile to implement its \input macro.