See documentation for the HTML 4.0 (XHTML) table
An abbreviated version of the cell’s content. This allows visual browsers to use the short form if space is limited, and non-visual browsers can give a cell’s header information in an abbreviated form before rendering each cell.
This attribute was not widely supported as of December 2002.
Value | Meaning |
---|---|
Data characters | Text, numbers, or special characters |
Restriction: This attribute may be specified if the element is used. |