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                                                  921
          SECTION 10.7                                                                 Tagged PDF



KEY               TYPE        VALUE

                                 Inset        The border makes the entire box look as though it were
                                              embedded in the canvas.
                                 Outset       The border makes the entire box look as though it were
                                              coming out of the canvas (the opposite of Inset).
                              Default value: None
                              Note: All borders are drawn on top of the box’s background. The color of bor-
                              ders drawn for values of Groove, Ridge, Inset, and Outset depends on the struc-
                              ture element’s BorderColor attribute and the color of the background over which
                              the border is being drawn.
                              Note: Conforming HTML applications may interpret Dotted, Dashed, Double,
                              Groove, Ridge, Inset, and Outset to be Solid.

BorderThickness   number or   (Optional; inheritable; PDF 1.5) The thickness of the border drawn on the
                  array       edges of a table cell or any element’s content rectangle (possibly adjusted by
                              the Padding attribute). The value of each edge is a positive number in default
                              user space units representing the border’s thickness (a value of 0 indicates
                              that the border is not drawn). There are two forms:
                              • A number representing the border thickness for all four edges.
                              • An array of four entries, each entry specifying the thickness for one edge of
                                the border, in the order of the before, after, start, and end edges. A value of
                                null for any of the edges means that it is not to be drawn.

Padding           number or   (Optional; not inheritable; PDF 1.5) Specifies an offset to account for the sep-
                  array       aration between the element’s content rectangle and the surrounding border
                              (see “Content and Allocation Rectangles” on page 930). A positive value en-
                              larges the background area; a negative value trims it, possibly allowing the
                              border to overlap the element’s text or graphic.
                              The value is either a single number representing the width of the padding, in
                              default user space units, that applies to all four sides or a 4-entry array repre-
                              senting the padding width for the before, after, start, and end edge, respec-
                              tively, of the content rectangle. Default value: 0.

Color             array       (Optional; inheritable; PDF 1.5) The color to be used for drawing text and the
                              default value for the color of table borders and text decorations. The value is
                              an array of three numbers in the range 0.0 to 1.0, representing the red, green,
                              and blue values, respectively, of an RGB color space. If this attribute is not
                              specified, the border color for this element is the current text fill color in ef-
                              fect at the start of its associated content.

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