MutablePropertyValues propertyValues =
markerStyles.getPropertyValues();
StyleValue content =
propertyValues.getComputedValue(StylePropertyDetails.CONTENT);
if (content != null) {
Inserter inserter = getInserter();
inserter.insert(markerSpan, content);
propertyValues.clearPropertyValue(StylePropertyDetails.CONTENT);
// As some content has been added to the marker make sure that
// if the user has not explicitly specified any padding on the