code: public void setTextSize(byte field, float size, SizeUnit unit) {
  		FieldInfos fi = getFieldInfos(field);
  		fi.m_fontSize = size;
  		fi.m_fontSizeUnit = unit;
  		notifyListeners();
  	}
docs: Sets the font size of a field
  
  @param field
  one of {@link ScoreElements} constants
  @param size
  text size in percent of {@link #getDefaultTextSize()} if
  {@link #getTextSize(byte)} is
  {@link SizeUnit#PERCENT}, else in pt
  @param unit
  {@link SizeUnit#PERCENT} or {@link SizeUnit#PT}