/* See XSL-FO 1.1, Section 4.5 where the "height" of the allocation
* rectangle is defined in terms of the line-stacking-strategy.
* However, when the line is first created, it doesn't know what content
* it will have, so we set it here to its minimum size. */
int pd = this.nominalRequestedLrPd();
final LineStackingStrategy lineStackingStrategy
= traitLineStackingStrategy();
switch(lineStackingStrategy) {
case LINE_HEIGHT: {
/* The allocation-rectangle must be at least big enough to enclose
* the expanded-nominal-requested-line-rectangle, which is the