This element specifies that the left and right margins defined in the section properties shall be swapped on facing pages.

[Guidance: This setting is generally used when printing on both sides of pages and binding them like a book. end guidance]

[Example: Consider a graphical representation (below) of a three page WordprocessingML document with a left margin of 1" and a right margin of 2".

If the mirrorMargins element is present in the document settings with its val attribute equal to true, as follows:

<w:mirrorMargins w:val="true" />

The resulting pages will have mirrored margins as follows (un this representation, the gray rectangles representing the text extents on each page):

end example]