How do you make the attached example work (see comments at the beginning of the file) ?

{Thus, I came to the conclusion that the designer of a new system mus\ETC.
! Paragraph ended before \makelines was complete.
<to be read again>
                   \par
l.22
    
?

Alan

On Thu, Jan 22, 2009 at 3:46 PM, Otared Kavian <otared@gmail.com> wrote:

On 22 janv. 09, at 15:39, Alan Stone wrote:

On Thu, Jan 22, 2009 at 12:22 PM, Wolfgang Schuster <schuster.wolfgang@googlemail.com> wrote:
On Thu, Jan 22, 2009 at 12:02 PM, Alan Stone
<software.list.1es9s@gmail.com> wrote:
> Hi,
>
> Is there a command which returns the number of lines for a given portion of
> text ?

\starttext

\setbox\scratchbox\vbox{\input knuth\par}

\getnoflines\htdp\scratchbox

\getnoflines{\htdp\scratchbox}  % this works

 
Your text has \noflines\ lines.

or: Your text has \noflines lines.

Try: Your text has {\the\noflines} lines.


Best regards: OK