On Sat, Oct 25, 2008 at 6:12 PM, Ruini Xue <xueruini@gmail.com> wrote:

> source file:
>
> %%%%%%%%%%%%%%
> \starttext
> {\input knuth}
>
> \stoptext
> %%%%%%%%%%%%%%%%%%%
>
> compiling it produces error:
>
> ! I can't find file `knuth}'.
> l.2 {\input knuth}
>
> Why does tex recognize "knuth}" but not "knuth" as the file name?
>

Watch for the space after knuth

%%%%%%%%%%%%%%
\starttext
{\input knuth }

\stoptext
%%%%%%%%%%%%%%%%%%%



Also
%%%%%%%%%%%%%%
\starttext
{\input knuth\relax}

\stoptext
%%%%%%%%%%%%%%%%%%%

It's TeX \input


-- 
luigi