Spacing spacing = pPr.getSpacing();
if (spacing.getBefore()!=null) {
properties.add(new SpaceBefore(spacing.getBefore()));
}
if (spacing.getAfter()!=null) {
properties.add(new SpaceAfter(spacing.getAfter()));
}
if (spacing.getLine()!=null) {
properties.add(new LineSpacing(spacing.getLine()));
}
// Others not implemented: