docs: public float adjustWidth(float width) {
      // Canvas.measureText does not account for the extra width consumed by italic characters, so we
      // fudge in a fraction of an em and hope the font isn't too slanted
      switch (font.style) {
      case ITALIC:      return width + emwidth/8;
      case BOLD_ITALIC: return width + emwidth/6;
      default:          return width; // nada
      }
    }