> On Mar 9, 2015, at 5:13 PM, Hans Hagen wrote:
> 
> i uploaded a new beta ... works at luigi's end (actually we tested that 
> previous time too but the issue is only triggered in docs that use 
> positions and tuc files remember that)
> 
> Hans

Now with current version: 2015.03.09 22:02 and 
\starttext
\input knuth
\stoptext

I get:

open source     > 3 > 4 > knuth.tex
open source     > 4 > 5 > knuth.tex
open source     > 5 > 6 > knuth.tex
...
open source     > 125 > 126 > knuth.tex
open source     > 126 > 127 > knuth.tex

tex error       > error on line 2 in file knuth.tex: ! TeX capacity exceeded, sorry [text input levels=127]

l.2 \input knuth
              

1     \starttext
2 >>  \input knuth
3     \stoptext
4     

If you really absolutely need more capacity,
you can ask a wizard to enlarge me.



No problem with \input ward \input zapf \input lorem