+ For an openid user specify the full URL of the login, including "http://".
+
+* --plugin name
+
+ Enables the use of the specified [[plugin|plugins]] in the wiki.
+ Note that plugin names are case sensitive.
+
+* --disable-plugin name
+
+ Disables use of a plugin. For example "--disable-plugin htmlscrubber"
+ to do away with HTML sanitization.
+
+* --libdir directory
+
+ Makes ikiwiki look in the specified directory first, before the regular
+ locations when loading library files and plugins. For example, if you set
+ libdir to "/home/you/.ikiwiki/", you can install a Foo.pm plugin as
+ "/home/you/.ikiwiki/IkiWiki/Plugin/Foo.pm".
+
+* --discussion, --no-discussion
+
+ 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 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".
+
+* --timeformat format
+
+ Specify how to display the time or date. The format string is passed to the
+ strftime(3) function.
+
+* --verbose, --no-verbose
+
+ Be verbose about what is being done.
+
+* --syslog, --no-syslog
+
+ Log to syslog(3).
+
+* --usedirs, --no-usedirs
+
+ Toggle creating output files named page/index.html (default) instead of page.html.
+
+* --prefix-directives, --no-prefix-directives
+
+ Toggle new '!'-prefixed syntax for preprocessor directives. ikiwiki currently
+ defaults to --no-prefix-directives.
+
+* --w3mmode, --no-w3mmode
+
+ Enable [[w3mmode]], which allows w3m to use ikiwiki as a local CGI script,
+ without a web server.
+
+* --sslcookie
+
+ Only send cookies over an SSL connection. This should prevent them being
+ intercepted. If you enable this option then you must run at least the
+ CGI portion of ikiwiki over SSL.
+
+* --getctime
+
+ Pull last changed time for each new page out of the revision control
+ system. This rarely used option provides a way to get the real creation
+ times of items in weblogs, such as when building a wiki from a new
+ Subversion checkout. It is unoptimised and quite slow. It is best used
+ with --rebuild, to force ikiwiki to get the ctime for all pages.
+
+* --set var=value
+
+ This allows setting an arbitrary configuration variable, the same as if it
+ were set via a configuration file. Since most options can be configured
+ using command-line switches, you will rarely need to use this, but it can be
+ useful for the odd option that lacks a command-line switch.
+
+# ENVIRONMENT
+
+* CC