code: char horizontals(int row, int column) {
  		boolean result = (match & TOP) == TOP && row == row1;
  		result |= (match & INNER_HORIZONTAL) == INNER_HORIZONTAL && row > row1 && row < row2;
  		result |= (match & BOTTOM) == BOTTOM && row == row2;
  
  		result &= column >= column1;
  		result &= column < column2;
  		return result ? style.horizontalGlyph() : BorderStyle.NONE;
  	}
docs: /*default