frame Frame (NISO JATS table model)

Specifies which sides of the table should be given rules, making a box or frame of lines around the table. (This attribute is based on and intended to be converted easily to the XHTML frame attribute.)
OPTIONAL on element: <table>
Value Meaning
above Rule above only (top).
below Rule below only (bottom).
border Rules on all table rows and columns.
box Rules on all 4 sides.
hsides Rules on horizontal sides only (topbot).
lhs Left-side rule only.
rhs Right-side rule only.
void No border (none).
vsides Rules on vertical sides only (sides).
Restriction @frame is an optional attribute; there is no default.
Tagged Sample

A table with rules on all four sides (a box)

<table frame="box" rules="all" cellpadding="5">
  <tr valign="bottom">
   <td align="left">3</td>
   <td align="char" char="." charoff="35%">14.4411</td>
   <td align="center">
    <graphic id="g14" orientation="portrait" position="anchor" xlink:href="d14"/></td>