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                                               920
          CHAPTER 10                                                    Document Interchange



KEY             TYPE       VALUE

BorderColor     array      (Optional; inheritable; PDF 1.5) The color of the border drawn on the edges
                           of a table cell or any element’s content rectangle (possibly adjusted by the
                           Padding attribute). The value of each edge 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. There are two forms:
                           • A single array of three numbers representing the RGB values to apply to all
                             four edges.
                           • An array of four arrays, each specifying the RGB values 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.
                           If this attribute is not specified, the border color for this element is the cur-
                           rent text fill color in effect at the start of its associated content.

BorderStyle     array or   (Optional; not inheritable; PDF 1.5) The style of an element’s border. Specifies
                name       the stroke pattern of each edge of a table cell or any element’s content rectan-
                           gle (possibly adjusted by the Padding attribute). There are two forms:
                           • A name from the list below representing the border style to apply to all
                             four edges.
                           • An array of four entries, each entry specifying the style 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.
                              None         No border. Forces the computed value of BorderThickness to
                                           be 0.
                              Hidden       Same as None, except in terms of border conflict resolution
                                           for table elements.
                              Dotted       The border is a series of dots.
                              Dashed       The border is a series of short line segments.
                              Solid        The border is a single line segment.
                              Double       The border is two solid lines. The sum of the two lines and
                                           the space between them equals the value of BorderThickness.
                              Groove       The border looks as though it were carved into the canvas.
                              Ridge        The border looks as though it were coming out of the canvas
                                           (the opposite of Groove).

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