// search for closest breakable alignment, using tiebreak rules
// look for outermost breakable one
int relativeDepth = 0, outerMostDepth = -1;
Alignment targetAlignment = this.currentAlignment;
while (targetAlignment != null){
if (targetAlignment.tieBreakRule == Alignment.R_OUTERMOST && targetAlignment.couldBreak()){
outerMostDepth = relativeDepth;
}
targetAlignment = targetAlignment.enclosing;
relativeDepth++;
}