footer.column.widths
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## Name

footer.column.widths — Specify relative widths of footer areas

## Synopsis

    <xsl:param name="footer.column.widths" select="'1 1 1'"></xsl:param>

## Description

Page footers in print output use a three column table to position text at the left, center, and right side of the footer on the page. This parameter lets you specify the relative sizes of the three columns. The default value is "1 1 1".

The parameter value must be three numbers, separated by white space. The first number represents the relative width of the left footer for single-sided output, or the inside footer for double-sided output. The second number is the relative width of the center footer. The third number is the relative width of the right footer for single-sided output, or the outside footer for double-sided output.

The numbers are used to specify the column widths for the table that makes up the footer area. In the FO output, this looks like:

    <fo:table-column column-number="1"
        column-width="proportional-column-width(1)"/>

The `proportional-column-width()` function computes a column width by dividing its argument by the total of the arguments for all the columns, and then multiplying the result by the width of the whole table (assuming all the column specs use the function). Its argument can be any positive integer or floating point number. Zero is an acceptable value, although some FO processors may warn about it, in which case using a very small number might be more satisfactory.

For example, the value "1 2 1" means the center footer should have twice the width of the other areas. A value of "0 0 1" means the entire footer area is reserved for the right (or outside) footer text. Note that to keep the center area centered on the page, the left and right values must be the same. A specification like "1 2 3" means the center area is no longer centered on the page since the right area is three times the width of the left area.

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