Though, in MediaWiki such a section doesn't make sense because you can create a page in the top namespace for every information, so this page will probably stay empty. Doing this in a DokuWiki using an indexmenu just breaks your tree :)
Instead try Special:AllPages.
1 All pages with the category "Miscellaneous"
<dynamicpagelist count="20" ordermethod="sortkey" order="ascending">category = Miscellaneous </dynamicpagelist>