Enables or disables "Discussion" links from being added to the header of
every page. The links are enabled by default.
+* --numbacklinks n
+
+ Controls how many backlinks should be displayed maximum. Excess backlinks
+ will be hidden in a popup. Default is 10.
+
* --userdir subdir
Optionally, allows links to users of the wiki to link to pages inside a
Log to syslog(3).
+* --usedirs, --no-usedirs
+
+ Create output files named page/index.html instead of page.html.
+
* --w3mmode, --no-w3mmode
Enable [[w3mmode]], which allows w3m to use ikiwiki as a local CGI script,