* @param context An object that knows how to resolve FO context issues.
* @return The Numeric representation of the function value.
*/
public DtLength eval(final FObj fobj, final FoContext context) {
final FObj item = fobj.getNearestListItem(null);
final int startIndent = item.traitStartIndent(context);
/* TODO: We don't know how to compute this yet. */
final int startIntrusionAdjustment = 0;
final int provisionalDistanceBetweenStarts
/* TODO: Not sure the parameter passed here is correct. */
= item.traitProvisionalDistanceBetweenStarts(context);