-This example will produce a scatterplot where height is plotted versus weight. Depending
-on the value of the gender variable, the colour of the datapoint is different. With
-this plot it is possible to analyze gender differences for height vs. weight relation.
+This example will produce a scatterplot where @var{height} is plotted versus @var{weight}. Depending
+on the value of the @var{gender} variable, the colour of the datapoint is different. With
+this plot it is possible to analyze gender differences for @var{height} vs.@: @var{weight} relation.