Use W3C documentation for the XHTML1.1 table model. (http://www.w3.org/TR/xhtml-modularization/abstract_modules.html#s_tablemodule)
Specifies the amount of space, in pixels, between the border of a cell and the contents of a table cell
Value | Meaning |
---|---|
Data characters | Text, numbers, or special characters. |
Restriction: This attribute may be specified if the element is used. |