On Tue, May 20, 2014 at 10:30 AM, Fabrice Couvreur <fabrice1.couvreur@gmail.com> wrote:

Hi,
Is it possible to redefine the command \periods[n] to have a line that goes from the end of the word to the edge of the page without having to play on the number n ?
Regards,
Fabrice

\starttext
\startitemize[a][stopper=),style=bold]
\item $x\mapsto -x^2+x+1$ : \periods[66]
\item $x\mapsto 2x^3+4x-7$ : \periods[65]
\item $x\mapsto x^2-3$ : \periods[70]
\item $x\mapsto \frac{x^2+x}2$ : \periods[72]
\item $x\mapsto (x-2)^2$ : \periods[69]
\stopitemize

\stoptext

They are called leaders

http://tex.stackexchange.com/questions/38423/want-to-fill-line-with-repeating-string

\showframe

\starttext

\startitemize[a][stopper=),style=bold]

\item $x\mapsto -x^2+x+1$ : \leavevmode\xleaders\hbox{.}\hfill\kern0pt %\periods[66]

\item $x\mapsto 2x^3+4x-7$ : \periods[65]

\item $x\mapsto x^2-3$ : \periods[70]

\item $x\mapsto \frac{x^2+x}2$ : \periods[72]

\item $x\mapsto (x-2)^2$ : \periods[69]

\stopitemize

\stoptext