+* --numbacklinks n
+
+ Controls how many backlinks should be displayed at the bottom of a page.
+ Excess backlinks will be hidden in a popup. Default is 10. Set to 0 to
+ disable this feature.
+
+* --userdir subdir
+
+ Optionally, allows links to users of the wiki to link to pages inside a
+ subdirectory of the wiki. The default is to link to pages in the toplevel
+ directory of the wiki.
+
+* --htmlext html
+
+ Configures the extension used for generated html files. Default is "html".
+