xref.title-page.separator string xref.title-page.separator Punctuation or space separating title from page number in xref This parameter allows you to control the punctuation of certain types of generated cross reference text. When cross reference text is generated for an xref or olink element using an xrefstyle attribute that makes use of the select: feature, and the selected components include both title and page number, then the value of this parameter is inserted between title and page number in the output.