* mandos-options.xml: New file; moved mandos(8) option descriptions here.
* mandos.conf.xml: Add XInclude namespace. (OPTIONS): New separate section with options from old "DESCRIPTION" section. Changed all options to include a synopsis and include its paragraph from "mandos-options.xml". (FILES): Moved to before "EXAMPLES". (BUGS): New section. (EXAMPLES): Renamed to "EXAMPLE", as per man-pages(7). Unindented example text.
* mandos.xml: Removed OVERVIEW entity. Add XInclude namespace. (OPTIONS): Moved all descriptive paragraphs to "mandos-options.xml" and just <xi:include/> them from here. (OVERVIEW): Changed to do <xi:include/>.
* overview.xml: Added DOCTYPE; reportedly needed for XInclude to work.