This is a convenience function for adding an extra row and an extra column at each edge of the table.
Arguments
- x
 a
gtable()object- padding
 vector of length 4: top, right, bottom, left. Normal recycling rules apply.
See also
Other gtable manipulation:
gtable_add_cols(),
gtable_add_grob(),
gtable_add_rows(),
gtable_add_space,
gtable_filter()






