Additional gutter space for binding

19.511 style:page-usage The style:page-usage attribute specifies the type of pages that a master page should generate. The defined values for the style:page-usage attribute are: all : if there are no <style:header-left> or <style:footer-left> elements, the header and footer content is the same for left and right pages. left : <style:header-right> and <style:footer-right> elements are ignored. mirrored : if there are no <style:header-left> or <style:footer-left> elements, the header and footer content is the same for left and right pages. right : <style:header-left> and <style:footer-left> elements are ignored. The default value for this attribute is all . The style:page-usage 19.511 attribute determines together with the style:writing-mode 20.408.3 attribute the “binding edge” for documents. Table 16 specifies, which physical edge of a page is used as “binding edge”. For writing-mode values rl-tb , tb-rl , rl , and tb it is specified in column RTL and for all other writing-mode values in column LTR. Editorial note: see attached image showing continuation illustration and Table 16. 20.322 style:margin-gutter The style:margin-gutter attribute introduces a distance information, which area at the “binding edge” (see style:page-usage 19.511) of a page should be treated as gutter, that means that it might be consumed from binding. The distance is measured from binding edge towards text content area. The default value for this attribute is 0 .