frame

defines the style of the outside rulings of the table. The attribute can have one of the following values:
- "all" (D) - draws a rule above and below the table, and to the left and right
- "sides" - draws a rule on the left and right of the table, but not on the top and bottom
- "top" - draws a rule above the table, but not below, or to the left or right of the table
- "topbot" - draws a rule above and below the table (this is the setting to be used for S1000D formal tables)
- "bottom" - draws a rule below the table
- "none" - indicates no rules will be drawn for the frame of the table
Note
If the attribute frame is not used, then this implies that all frame rulings will be drawn (ie, equivalent to the value "all"). It is important to set frame="topbot" for S1000D formal tables. This attribute must not be used for tables that only contain a graphic.