If the pages to include are not specified, all pages (and other files) in
the wiki are mapped.
-By default, the names of pages are shown in the map. Since ikiwiki 2.51,
-The `show` parameter
+By default, the names of pages are shown in the map. The `show` parameter
can be used to show the titles or descriptions of pages instead (as set by
the [[meta]] plugin). For example: