Until now I always used a - (minus sign) to define a sub sentence or for an optional word, like:<br>    This is -now- not necessary,<br><br>I understood that normally you use the em dash for this. But for only a word, this seems a little big. Could I then use an en dash or should I keep using a minus sign?<br>
<br>In which other places should they be used?<br clear="all"><br>-- <br>Cecil Westerhof<br>